How many complex zeros does the polynomial have?
f(x)=6x^(6)-5x^(4)+2x^(3)-x^(2)+12

How Many Complex Zeros Does The Polynomial Have?f(x)=6x^(6)-5x^(4)+2x^(3)-x^(2)+12

Answers

Answer 1

We cannot determine the exact number of complex zeros for the given polynomial.

We have,

To determine the number of complex zeros of the polynomial

f(x) = 6x^6 - 5x^4 + 2x^3 - x^2 + 12

We need to analyze the degree and sign changes of the polynomial.

The degree of the polynomial is 6, which means it is a polynomial of degree 6.

According to the Fundamental Theorem of Algebra, a polynomial of degree n can have at most n complex zeros (counting multiplicity).

To analyze the sign changes, we can write down the coefficients of the polynomial in a row:

6, -5, 2, -1, 0, 0, 12

By observing the sign changes in the row of coefficients, we see that there are no sign changes.

This indicates that the polynomial has either zero or an even number of positive real zeros.

Since we are interested in complex zeros, this information alone does not provide conclusive evidence.

To determine the number of complex zeros, we would need more information or further analysis.

It is possible that some of the zeros are complex or imaginary, but without more details or a complete factorization of the polynomial, we cannot determine the exact number of complex zeros.

Thus,

We cannot determine the exact number of complex zeros.

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Related Questions

You are preparing to buy a house. Your monthly gross income is $3,200. a. What is the maximum amount you can finance (mortgage)? (4 points)

Answers

The maximum amount you can finance is $896.

We are given that;

The monthly gross income = $3,200

Now,

28% of your gross monthly income on your mortgage, including taxes and insurance

The percentage = 28%

3200* 28/100

=32*28

=896

Therefore, by percentage the answer will be $896.

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If the average of 9 and x is equal to the average of 7, 3, and x, what is the value of x?

Answers

Hello !

(9 + x)/2 = (7 + 3 + x)/3

3(9 + x) =2(7 + 3 + x)

27 + 3x = 14 + 6 + 2x

27 + 3x = 20 + 2x

27 - 20 = 2x - 3x

7 = -x

x = -7

you can check it works for the 2 averages

find the value of x

Answers

X = 5.5
Cross multiply the two as explained below.

Answer:

Option C. 5.5

Step-by-step explanation:

To solve for x in the equation:

[tex]\sf\implies\dfrac{3x - 4}{14} = \dfrac{9}{10}[/tex]

We need to isolate x on one side of the equation.

First, we simplify the left side by solving the division:

[tex]\sf\implies\dfrac{(3x - 4)}{14} = \dfrac{9}{10}[/tex]

Next, we cross-multiply to eliminate the fractions:

[tex]\sf\implies 10(3x - 4) = 14(9)[/tex]

[tex]\sf\implies 30x - 40 = 126[/tex]

Now, we isolate x by adding 40 to both sides of the equation:

[tex]\sf\implies 30x = 166[/tex]

Finally, we solve for x by dividing both sides of the equation by 30:

[tex]\sf\implies x = \dfrac{166}{30}[/tex]

[tex]\sf\implies x = 5.533[/tex]

Therefore, the value of x is approximately 5.533. Thus, the correct option is C. 5.5.

Chi-Chiribi! EmergerOrpheus at your service. Hope it helps!

What is the IQR for 10, 14, 15, 15, 16, 18, 19, 21

Answers

Answer:

15-18

Step-by-step explanation:

The IQR is the middle 50% of a set of numbers

There are 8 numbers, so its the middle 4

The middle 4 consists of 15,15,16,18

The range is 15-18

The least common multiple of 3, 5, 6 and 9

Answers

Step-by-step explanation:

Using prime factorization:

3 = 3 x 1

5 = 5 x1

6 = 2 x 3

9 = 3 x 3       take the bold numbers and multiply them 3 x 5 x 2 x 3 = 90

What is the probability that either event will occur?
A
2
3
B
1
P(A or B) = P(A) + P(B)
P(A or B) = [?]
Enter as a decimal rounded to the nearest hundredth.

Answers

The probability P(A or B) that either event will occur is 0.67

The probability of either event occuring ;

Probability is the ratio of required outcome to the total possible outcomes . We could solve the question give. thus:

Total possible outcomes , n(Total) = 3+1+2 = 6

P(A) = n(A)/n(Total) = 3/6 = 0.5

P(B) = n(B)/n(Total) = 1/6 = 0.167

P(A or B) defined as P(A) + P(B) will become ;

P(A) + P(B) = 0.5 + 0.167 = 0.667

Hence, the probability of either A or B occuring rounded to the nearest hundredth is , P(A or B) = 0.67

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I don’t understand thus

Answers

The true equations for the given value of x are C, D and E

solving for x in main equation

3x = 5

x = 5/3

x = 1.667

Substituting x=1.667 in the equations given in the option

38.75 - 35.25 = 3.5 (False)1.667 + 2 = 3.667 (False)4/3(1.667) = 2.222 (True)9.7 + 1.667 = 11 (True)9(1.667) = 15 (True)

The equations C, D and E are true for the value of x in the equation given.

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-8+5(2x+1)=-(7x+9)+x

Answers

The value of x that satisfies the equation -8 + 5(2x + 1) = -(7x + 9) + x is x = 3/4.

To solve the equation -8 + 5(2x + 1) = -(7x + 9) + x, we will simplify the expression step by step and solve for the value of x.

Distribute 5 to the terms within the parentheses: -8 + 10x + 5 = -(7x + 9) + x

Combine like terms on both sides of the equation: -8 + 5 + 10x = -7x - 9 + x

Simplifying further, we have: -3 + 10x = -6x - 9

To eliminate the negative sign on the right side of the equation, we can multiply every term by -1: -3 + 10x = -6x - 9 * -1

This simplifies to: -3 + 10x = -6x + 9

Next, we want to isolate the x terms on one side of the equation and the constant terms on the other side. We can do this by adding 6x to both sides: -3 + 10x + 6x = -6x + 9 + 6x

Simplifying further: 16x - 3 = 9

To isolate the x term, we need to eliminate the constant term on the left side. We can do this by adding 3 to both sides: 16x - 3 + 3 = 9 + 3

Simplifying further: 16x = 12

Finally, we solve for x by dividing both sides of the equation by 16: (16x)/16 = 12/16

The equation simplifies to: x = 3/4

Therefore, the value of x that satisfies the equation -8 + 5(2x + 1) = -(7x + 9) + x is x = 3/4.

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In art class, Gabe is attaching strings to puppets to make marionettes. For each puppet, he ties 6 inches of string to the head and 9 inches of string to each of the 2 arms. If he has a total of 5 puppets, how many feet of string does he use in all?

Answers

Gabe uses a total of 10 feet of string for all his puppets in art class.

In art class, Gabe is creating marionettes by attaching strings to puppets. He ties 6 inches of string to the head of each puppet and 9 inches of string to each of the 2 arms. Since Gabe has a total of 5 puppets, let's calculate the total amount of string he uses.

For each puppet, Gabe uses 6 inches of string for the head. Since he has 5 puppets, the total string used for the heads is 5 puppets × 6 inches/puppet = 30 inches.

Similarly, Gabe uses 9 inches of string for each arm of each puppet. Since each puppet has 2 arms, he uses a total of 2 arms × 9 inches/arm = 18 inches of string per puppet. For 5 puppets, the total string used for the arms is 5 puppets × 18 inches/puppet = 90 inches.

To find the total string used, we add the string used for the heads and arms: 30 inches + 90 inches = 120 inches.

Since there are 12 inches in a foot, the total string used by Gabe is 120 inches / 12 inches/foot = 10 feet.

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Anumber Y is 15 larger than A Positive number x. If their SUM is not more than 85. What are the Possible values. OF Such Number y ?​

Answers

Step-by-step explanation:

y = 15 + x      or   x = y-15

and  x         sum to <= 85

x + y <= 85

(y-15)   + y <= 85

2y <= 100

y <= 50             The maximum value of y is 50   minimum would be 16 ( since it must be 15 greater than a positive number x (which would be 1 ))

The diameter of the sphere is 12.8 cm calculate the value 3.14

Answers

what is needed to be calculated please tell

1.5 Which of the following set of numbers are integers: -25,31,-100 a) -25 c) -100 Question ? b) 31 d) All of the answers (1) [5]​

Answers

Answer:

This question asks which numbers (-25, 31, -100) are integers. The answer is that all of the given numbers are integers.

Step-by-step solution:

An integer is a whole number that can be positive, negative, or zero.

The given numbers are -25, 31, and -100.

To determine whether these numbers are integers, we must check whether they are whole numbers.

Whole numbers are numbers that do not have any fractions or decimals.

-25 and -100 do not have any decimal parts, so they are whole numbers and thus integers.

31 has no decimal parts, so it is also a whole number and an integer.

Therefore, all of the given numbers (-25, 31, -100) are integers.

A correct answer is option (d), "All of the answers".

Write the expression for the following statement without
any spaces:
the sum of 64y and 3, cubed can be expressed as

Answers

The expression of the statement that is given above can be written as follows: 262144y³ + 27.

How to determine a way to express the given statement?

To determine how to express the given statement the following should be carried out.

When a number is said to be cubed, it means that the number should be times by itself three consecutive times.

That is (64y + 3)³. This means that various components should be multiplied by itself three times. That is,

= 64×64×64(y)³ + 3×3×3

= 262144y³ + 27.

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Use limits to find the area of the region between the graph of y=x³+1
and the x-axis on the interval [2, 4], or f(x³ + 1) dx

Answers

Answer:

62

Explanation:

Find the area of the region bounded the graph of y=x³+1 and the x-axis over the interval [2,4].

[tex]\text{\underline{Set up:}}\\\\\Longrightarrow \boxed{\int\limits^4_2 {x^3+1} \, dx}[/tex]

[tex]\text{Now solving...}\\\\\Longrightarrow \int\limits^4_2 {x^3+1} \, dx\\\\\Longrightarrow \frac{1}{4}x^4+x \Big]\limits^4_2\\\\\Longrightarrow [\frac{1}{4}(4)^4+(4)]-[\frac{1}{4}(2)^4+(2)]\\\\\Longrightarrow [68]-[6]\\\\\Longrightarrow \boxed{\boxed{=62}}[/tex]

Thus, the problem is solved.

Use the substitution method to find the solution for the linear system.
6x + 5y = 38
4x + y = 16

Answers

The answer would be x = 3 and y = 4

Answer:

x = 3; y = 4

Step-by-step explanation:

adilenechapa22 wrote the correct answer first so they deserve the Brainiest for the question.  However, I can help you understand how we get to the answer.

Step 1:  Isolate y in 4x + y = 16 by subtracting 4x from both sides to prepare for the substitution:

(4x + y = 16) - 4x

y = -4x + 16

Step 2:  Substitute this equation for y in the first equation to first solve for x:

6x + 5(-4x + 16) = 38

6x - 20x +80 = 38

-14x + 80 = 38

-14x = -42

x = 3

Step 3:  Plug in 3 for x in 4x + y = 16 to solve for y:

4(3) + y = 16

12 + y = 16

y = 4

Optional Step 4:  We can check that we've found the correct solutions by plugging in 3 for x and 4 for y in both equations in the system and seeing that we get 38 and 16:

Checking solutions in first equation:

6(3) + 5(4) = 38

18 + 20 = 38

38 = 38

Checking solutions in second equation:

4(3) + 4 = 16

12 + 4 = 16

16 = 16

Find the integrating factor and the solution of
equation:

[tex]\frac{dy}{dx}+\frac{y}{2} = 2+x[/tex]

factor: [tex]\mu(x)=e^\frac{x}{2}[/tex] solution: [tex]y(x)=2x+Ce^\frac{-x}{2}[/tex]

Answers

The solution to the given differential equation is [tex]y = 2x + Ce^{-x/2},[/tex]

where C is an arbitrary constant.

We have,

To solve the given first-order linear differential equation:

dy/dx + (1/2)y = 2 + x

We can use the integrating factor method.

The integrating factor (IF) is given by:

[tex]IF = e^{\int{(1/2)}dx}[/tex]

[tex]= e^{x/2}[/tex]

Multiplying both sides of the equation by the integrating factor:

[tex]e^{x/2} \times dy/dx + (1/2)e^{x/2} \times y = (2 + x)e^{x/2}[/tex]

The left-hand side can be simplified using the product rule of differentiation:

[tex]d/dx (e^{x/2} \times y) = (2 + x)e^{x/2}[/tex]

Integrating both sides with respect to x:

[tex]\int{d/dx} (e^{x/2} \times y) dx = \int{(2 + x)e^{x/2}} dx[/tex]

[tex]e^{x/2} \times y = \int{(2e^{x/2} + xe^{x/2}} dx\\= 2\int{e^{x/2}} dx + \int{xe^{x/2}} dx[/tex]

Using the integration rules, we find:

[tex]e^{x/2} \times y = 4e^{x/2} + 2xe^{x/2} - 4e^{x/2} + C\\= 2xe^{x/2} + C[/tex]

Dividing both sides by [tex]e^{x/2}:[/tex]

[tex]y = 2x + Ce^{-x/2}[/tex]

Therefore,

The solution to the given differential equation is [tex]y = 2x + Ce^{-x/2},[/tex]

where C is an arbitrary constant.

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The point U is plotted on the coordinate grid below. Plot the point U', the ref
of U over the x-axis.
Click on the graph to plot a point. Click a point to delete it.
-6 -5 -4 -3 -2 -1
U
2
3
4
5
6

Answers

Answer:

The point U' is (-6, -2).

Step-by-step explanation:

The reflection of point U over the x-axis is the point U' with the same x-coordinate but a y-coordinate that is the opposite of U's y-coordinate. Since the y-coordinate of point U is 3, the y-coordinate of the reflected point U' will be -3. Therefore, the coordinates of U' are (-2, -3).

The graph should show U at the point (2, 3) and U' at the point (2, -3) after being reflected over the x-axis.

HOW DO I SIMPLIFY? I WILL MARK YOU BRAINLIEST! AND EXPLAIN

Answers

Answer:

This is how you simplify it.

Answer:

Step-by-step explanation:

(3x⁵)^3
= {3x}^(15)     (According to rule)

Answer = (3x)^(15)  

Hii please answer i would appreciate it thankssss

Answers

Answer:

Just some background:

Congruent means that a triangle has the same angle measures and side lengths of another triangle.

SAS congruence theorem: If two sides and the angle between these two sides are congruent to the corresponding sides and angle of another triangle, then the two triangles are congruent. Congruent triangles: When two triangles have the same shape and size, they are congruent.

Let's look at A first.

The triangle on left, we know 40 and 30 degree angles. So 3 all angles together = 180, so the 3rd angle = 180-30-40 = 110.

Now look at the triangle on the right. The angle shown is 110! This angle is between the sides marked with || and ||| marks, indicating that those two sides are the same length between both triangles.

Therefore both triangles are the same by Side-Angle-Side or SAS.

Now look at B.

It's a right triangle. We are missing 1 side of each triangle.

Let's solve for the missing "leg" of the triangle on the right. The pythagorean theorem says that a^2 + b^2 = c^2 where a and b are the 'legs' or sides of the triangle and c is the hypotenuse (always the longest length opposite the right angle).

so 2^2 + b^2 = 4^2

4 + b^2 = 16

b^2 = 16-4

b^2 = 12

That missing side is the [tex]\sqrt{12}[/tex].

This does NOT match the triangle on the left.

Theses two triangles are NOT congruent.

The rate of change of a population P of an environment is determined by the logistic formula
dP/dt =0.04P(1-P/20000)
where t is in years since the beginning of 2015. So P (1) is the population at the beginning of 2016. Suppose P (0) = 1000.
(a) Calculate P′(0)
(b) Use the number from the previous part to estimate the population in the middle of 2015. That is, estimate P (0.5)
(c) What assumption is made in the computation in the previous part? Use the formula given for P ′ to see whether or not the assumption is true, to within 1%

Answers

We first need to understand the logistic formula used for modeling population growth. The formula is:
P'(t) = rP(t)(1 - P(t)/K),


where P'(t) represents the rate of change of the population, P(t) is the population at time t, r is the intrinsic growth rate, and K is the carrying capacity of the environment.

(a) To calculate P'(0), we need the values for r, P(0), and K. P(0) refers to the initial population.

(c) The assumption made in the computation is that the population grows continuously and the rate is proportional to both the population size and the remaining capacity for growth.

To verify this assumption, we can plug in the given values and compare the result with the actual data. If the difference is within 1%, the assumption holds true.

Please provide the required values for r, P(0), and K to proceed with the calculations.

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pls solve these equations:

Answers

Step-by-step explanation:

First one:

Calculate the difference:

12 × ( -15/12x ) = 7

Multiplying a positive and a negative equals a negative: (+) × (-) = (-)

-12 × 15/12x = 7

Cancel the greatest common factor 12

-5x = 7

Divide both sides of he equation by -5

Solution: x = -7/5

Second one:

26 × (7y + 5 +3) = 1300

Divide both sides of the equation by 26

7y + 5 + 3 = 50

add the numbers

7y + 8 = 50

Move the constant to the right hand side and change it's sign.

7y = 50 - 8

Subtract the numbers

7y = 48

Divide both sides of the equation by 7

= y = 6

Third One:

Convert the fraction into decimal:

37/10 ÷ (1 2/9 - 0.4)

Convert the mixed number into an improper fraction

37/10 ÷ (11/9 - 0.4)

Convert the decimal into fraction

37/10 ÷ (11/9 - 2/5)

Subtract the fractions

37/10 ÷ 37/45

To divide by a fraction, multiply by the reciprocal of that fraction.

37/ 10 × 45/37

Cancel out the greatest common factor 37

1/10 × 45

Cancel out the greatest common factor 5

1/2 × 9

Calculate the product

Solution: 9/2

Fourth One:

Convert the decimal into fraction and mixed fraction into improper fraction.

1/2 + 1/18

________

(7/6 - 7/18) ÷ 14/5

Add and subtract the fractions

5/9

____

7/9 ÷ 14/5

To divide by a fraction, Multiply by the reciprocal of that fraction.

5/9

____

7/9 × 5/14

Cancel out the greatest common factor 7.

5/9

____

1/9 × 5/2

Multiply the fractions

5/9

____

5/18

Simply the complex fraction

Solution: 2

Fifth one:

Multiply the brackets

0.5x - 6 + 0.2x + 1.4 = 0.3x + 3.4

Collect like terms and simplify

0.7x - 4.6 = 0.3x + 3.4

Move the variable to the left hand side and move the constant to the right hand side and change the signs.

0.7x - 0.3x = 4.6 + 3.4

Simplify

0.4x = 8

Divide both sides of the equation by 0.4

Solution: x = 20

Thank you!

i need help on the last question

Answers

Answer:

Step-by-step explanation:

[tex]P(6,6)=\frac{1}{5} \times \frac{1}{5} =\frac{1}{25}[/tex]

3. MODELING REAL LIFE An apple growing on a tree
has a circumference of 6 inches. (See Example 2.)
a. The apple has a density of 0.46 gram per cubic
centimeter. Find the mass of the apple.
b. The radius of the apple increases inch per week
for the next five weeks. How does the volume
change during the five-week period? Explain

Answers

a. The mass of the apple is approximately 33.879 grams.

b. The volume of the apple increases by approximately 1.454 cubic inches during the five-week period.

a. To find the mass of the apple, we need to calculate its volume first. The circumference of the apple can be used to determine its radius.

The formula for the circumference of a circle is C = 2πr,

where C is the circumference and r is the radius.

Rearranging the formula, we have r = C / (2π).

Plugging in the given circumference of 6 inches.

we get r = 6 / (2π) ≈ 0.955 inches.

Now, we need to convert the radius from inches to centimeters since the density is given in grams per cubic centimeter.

Since 1 inch is approximately 2.54 centimeters, the radius in centimeters is [tex]0.955 \times 2.54[/tex]  ≈ 2.427 cm.

Next, we can calculate the volume of the apple using the formula for the volume of a sphere: V = (4/3)πr³.

Plugging in the radius in centimeters, we get

V ≈ (4/3)π(2.427)³ ≈ 73.682 cm³.

Finally, we can find the mass of the apple by multiplying the volume by the density:

mass = volume [tex]\times[/tex] density

= 73.682 cm³ [tex]\times[/tex] 0.46 g/cm³

≈ 33.879 grams.

Therefore, the mass of the apple is approximately 33.879 grams.  

b. The volume of a sphere increases with the cube of its radius.

Since the radius increases by 1/8 inch per week for five weeks, the change in radius would be[tex](1/8) \times 5 = 5/8 inch.[/tex]

Now, let's calculate the change in volume during the five-week period. The formula for the volume of a sphere is V = (4/3)πr³.

Initially, the radius was 0.955 inches.

After five weeks, the radius would be 0.955 + 5/8 inches.

To compare the change in volume, we can calculate the new volume and find the difference:

Change in Volume = New Volume - Initial Volume

Initial Volume = (4/3)π(0.955)³

New Volume = (4/3)π(0.955 + 5/8)³

By subtracting the initial volume from the new volume, we can determine how the volume changes during the five-week period.

Please note that the exact calculation will depend on the precise values used for π and the measurements provided.

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What is the meaning of "the first order predicate calculus"?

Answers

The first order predicate calculus is the mathematical logic that is used to express and analyze propositions involving objects, characteristics, and relations

What is the first order predicate calculus?

A foundational framework for mathematical logic that is used to express and analyze propositions involving objects, characteristics, and relations is known as the first-order predicate calculus.

It offers a formal language for expressing statements and a set of inference guidelines for producing reliable results. By incorporating quantifiers like "for all" and "there exists," which allow statements about variables and predicates to be quantified over a domain of objects, first-order logic expands propositional logic.

It enables exact reasoning about intricate systems and structures and forms the basis for mathematical proofs, computer science, artificial intelligence, and different branches of philosophy.

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can I please get some help with this

Answers

Apologies for the confusion. The image you provided contains an expression that can be simplified as follows:

√(36 / 12) - 3 × (4 - 3)

Let's break it down step by step:

Simplify the expression inside the square root:

√(36 / 12) = √3

Simplify the multiplication:

-3 × (4 - 3) = -3 × 1 = -3

Subtract the results:

√3 - 3

Therefore, the simplified expression is √3 - 3.


<3

he quadratic functions f(x) and g(x) are described in the table:

In which direction and by how many units should f(x) be shifted to match g(x)? Left by 4 units Right by 4 units Left by 8 units Right by 8 units

Answers

In which direction and by how many units should f(x) be shifted to match g(x): A. Left by 4 units.

What is a quadratic function?

In Mathematics and Geometry, the standard form of a quadratic function is represented by the following equation;

ax² + bx + c = 0

Based on the information provided about the parent quadratic function f(x), we can logically deduce that it is given by this equation;

f(x) = x²

Next, we would create a quadratic function for g(x) by using the data points provided in the table above;

g(x) = x² + 8x + 16

g(x) = x² + 4x + 4x + 16

g(x) = x(x + 4) + 4(x + 4)

g(x) = (x + 4)(x + 4)

g(x) = (x + 4)²

Therefore, the parent quadratic function must be shifted left by 4 units to create g(x).

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work out the total surface area of this triangular prism 12cm by 5cm by 10cm by 13cm

Answers

To calculate the total surface area of a triangular prism, we need to find the area of each face and add them up.

The triangular faces have base 5cm and height 12cm, so each one has an area of:

(1/2) x 5cm x 12cm = 30cm²

There are two of these faces, so their combined area is:

2 x 30cm² = 60cm²

The rectangular faces have dimensions 5cm x 10cm and 5cm x 13cm, so their areas are:

5cm x 10cm = 50cm²

5cm x 13cm = 65cm²

Again, there are two of these faces, so their combined area is:

2 x (50cm² + 65cm²) = 230cm²

Finally, we add up the areas of all the faces to get the total surface area:

60cm² + 230cm² = 290cm²

Therefore, the total surface area of this triangular prism is 290cm².

Riley put £450 into a savings account which
gathered simple interest at a rate of 2% per month.
After 6 months, Riley used some of the money in
the account to buy a bike costing £480.
How much money did Riley have left?

Answers

Answer:

£26.77

Step-by-step explanation:

450(100% + 2%)^6

= 450 (1.02)^6

= 506.77.

506.77 - 480 - 26.77.

Riley had £26.77 left.

Use the graph of y = csc x to estimate the value of csc 120°. Round to the nearest tenth.

Answers

Answer:  To estimate the value of csc 120° using the graph of y = csc x, we can locate the point on the graph that corresponds to 120° and read the y-coordinate (csc value) from there.

On the graph of y = csc x, we observe that the csc value is undefined at x = 0° and x = 180° due to vertical asymptotes. Additionally, csc x has maximum and minimum points at multiples of 90°.

To estimate csc 120°, we can look for the nearest maximum or minimum point on the graph. The closest maximum point to 120° is at 90°, and the closest minimum point is at 180°.

Since the maximum value of csc x is 1, we can estimate csc 120° to be approximately 1.

Therefore, the estimated value of csc 120° is 1 (rounded to the nearest tenth).

Step-by-step explanation:

Hank opens a savings account with $850. The account earns 1.2% interest compounded monthly. How much will be in the account after 15 years if he makes no more deposits or withdrawals? Round your answer to the nearest cent.

Answers

After 15 years, the amount in Hank's savings account, with no additional deposits or withdrawals, will be approximately $1,044.50.

To calculate the amount in Hank's savings account after 15 years with monthly compounding interest, we can use the formula for compound interest:

A = P(1 + r/n)^(nt)

Where:

A = the future value of the account

P = the principal amount (initial deposit)

r = the annual interest rate (as a decimal)

n = the number of times the interest is compounded per year

t = the number of years

In this case:

P = $850

r = 1.2% = 0.012 (as a decimal)

n = 12 (monthly compounding)

t = 15 years

Plugging in the values into the formula, we get:

A = 850(1 + 0.012/12)^(12*15)

A = 850(1.001)^180

A ≈ 850 * 1.228824

A ≈ $1,044.50 (rounded to the nearest cent)

Therefore, after 15 years, the amount in Hank's savings account, with no additional deposits or withdrawals, will be approximately $1,044.50.

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