need help with this question

Answer: A.

Step-by-step explanation:

Answer:

the perimeter of a triangle is 84 cm and its area is 336 cm? if one of its side is 30 cm find the length of reamining two side

You have to determine which of the given square roots can be expressed as a fraction:

1) The square root of one is 1

One can be expressed as a fracion:

So it is a rational number.

2) The square root of 2 is an irrational number and cannot be expressed as a fraction.

Its decimal expantion has no end, i.e. it has infinite decimal values.

3) Square root of three is an irrational number and cannot be expressed as a fraction.

4) The square root of 5 is an irrational number and cannot be expressed as a fraction.

In conclusion the only rational number in the given set is the square root of 1.

Answer:

The money that Wilbert has is -$229 because of the debt.

$0 Represents his current, with no debts.

The solution to the equation, −112 = 8x, is: x = -14.

To find the value of the variable in an equation, means to solve the equation.

To solve any given equation, we are to apply all necessary properties of equality in other to isolate, as much as possible, the variable of the equation to one side of the equation. Th value of the variable is the solution to the equation.

Given the equation:

-112 = 8x

Divide both sides of the equation by 8:

-112/8 = 8x/8 [division property of equality]

-14 = x

x = -14

Check: Plug in x = -14 into the equation:

-112 = 8(-14)

-112 = -112 [true]

Thus, the solution to -112 = 8x is: x = -14.

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Solution

For this case we have the following information given:

A= 1000

r= 0.06

n = 1

A= 2100

So we can set up the following formula:

We can solve for t on this way:

Solving for t we got:

Rounded to the nesrest tenth we got:

12.7 years

Answer:

I can see that (0, 2) is the solution to this equation because that is the point where the lines intersect.

Step-by-step explanation:

[tex] - 3x + 2 = \frac{1}{2} x + 2[/tex]

[tex] - 3x = \frac{1}{2} x[/tex]

[tex]x = 0[/tex]

[tex]y = 2[/tex]

The speed of airplane in miles per hour (mph) is 380.2968 .

What is speed?

Speed is the time rate at which an object is moving along a path. The SI unit of speed is meter per second ( m/s ). Miles per hour ( mph ) is a British imperial and United States customary unit of speed expressing the number of miles travelled in one hour.

Given that

Speed of a certain airplane = 170 m/s or m[tex]s^{-1}[/tex]

We know that

In 1 meter = 0.0006214 miles

In 1 sec = [tex]\frac{1}{3600}[/tex] hour

but 1 [tex]sec^{-1}[/tex] = 3600 hour

Speed of this airplane in miles per hour = 170 × 0.0006214 ×  3600 mph

                                                                  = 0.105638 × 3600 mph

                                                                  = 380.2968 mph

Hence, the speed of airplane in miles per hour (mph) is 380.2968 .

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Given that

The figure is of a cone and we have to find the volume of the cone.

Explanation -

The diameter of the cone is 22km and the height is also 22 km.

So the radius will be

radius = r = d/2 = 22/2 km = 11 km

Hence, r = 11 km and h = 22 km

The formula for the volume of the cone will be

On substituting the values we have

So B is the correct option.

Final answer -

The required expression equivalent to the given expression is 3²² .

An expression in mathematics is said to be algebraic if it was constructed using integer variables, constants, and algebraic operations (addition, subtraction, multiplication, division and exponentiation by an exponent that is a rational number)

Given : the expression of the form ( 3 ⁴ ) ⁶ ÷ 3²

Simplifying we get:

= ( 3 ⁴ ) ⁶ ÷ 3²

= 3⁽²⁴⁻²⁾

=  3²²

Therefore the required expression equivalent to the given expression is

3²² .

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Answer:

51 or above

Step-by-step explanation:

He already averages more then 78. But he at least needs a 51 in order for him to average 78. For him to get more than that he just needs a 52 or higher.

78 x 5 = 390

95 + 92 + 84 + 68 = 339

339/ 4 = 84.75 ( just to let you know the average before #5 )

390 - 339 = 51

51 is that last score needed

To check if an ordered pair is a solution to an equation, substitute the value for each coordinate into the equation.

Since the substitution has to be performed in alphabetical order, then the coordinates are given in the form:

Substitute r=-6 and s=-2 into the given equation to check if (-6,-2) is a solution:

Since -4 is NOT equal to 4, then the point (-6,-2) is not a solution to the equation r-s=4.

Step 0 ---- 2

2+1

step 1 ------ 3

3+3

step 2 --------- 6

6+5

step 3 ----------11

11 + 7

step 4 ------------ 18

terms are 2, 3, 6,11, 18

There is an increment of odd numbers from a preceding term

2 increase to 3 by the first odd i.e 1

3 increase to 6 by the next odd i.e 3

6 increase to 11 by the next odd i.e 5

Therefore 11 will increase by the next odd, i.e 7

Thus, 11 + 7 = 18

The equation in the slope-intercept form will be y = (-2/5)x + 4.4.

So, point is (-20, 4) and line is 2x + 5y = 10, then the equation will be:

Now, solve for b as follows while inserting the values of x and y:

So, equation will be y = (-2/5)x + 4.4

Therefore, the equation in the slope-intercept form will be y = (-2/5)x + 4.4.

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Answer:

4.5

Step-by-step explanation:

2/1 x 9/4 = 18/4 = 4.5

Answer:

4.5 is your answer

Step-by-step explanation:

hope it helps

y-axis

When a figure is reflected about any axis, the coordinate of that axis still remains the same, but the coordinate of the other axis is negated

For example:

If the point A(x, y) is reflected about the x-axis, the reflected image becomes A' (x, -y)

If the point A(x, y) is reflected about the y axis, the reflected image becomes A'(-x, y)

In this exercise, the point F(10, -5), after reflection, becomes F' (-10, -5)

Since the y-axis still remains -5 after reflection, this means that the point F was reflected across the y-axis.

If the tangent of θ equals one (1), the true statement about the right-angled triangle side lengths is that: C. The sides opposite and adjacent to theta are the same length.

In geometry, a tangent is also referred to as a tangent line and it can be defined as a straight line that touches a plane curve at a specific point.

Mathematically, the tangent of an angle is given by this expression:

Tanθ = Opp/Adj

Where:

For this right-angled triangle, the tangent of the angle (θ) is given by:

Tanθ = Opp/Adj = 1

Opposite/Adjacent = 1

Cross-multiplying, we have:

Opposite = Adjacent

In conclusion, the opposite side length of this right-angled triangle is equal to its adjacent side length.

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Answer: it should be 5

we can multiply 3x4 to get twelve so it must be the same for the other one

So 5x4=20

Step-by-step explanation:

have a great day!

Answer:

5

Step-by-step explanation:

12/4 = 3. 20/4 = 5

Side 12 divided by side 3 is four. You know four is now your key. Side 12 divided by 4 is Side 3. Side 20 divided by 4 is 5. So 5 is your answer.

Hope this helps! :)

The distance between the points E = (-4,5) and L = (1,-3) in the coordinate plane is  [tex]\sqrt{89}[/tex]

The points are E = (-4,5) and L = (1,-3)

We know the distance between the two points d = [tex]\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2} }[/tex]

Where d is the distance between two points

[tex](x_{1},y_{1} )[/tex] and [tex](x_{2},y_{2} )[/tex] are the coordinates of the points

Here the given points are E = (-4,5) and L = (1,-3)

To find the distance between the given points, we have to substitute the values in the equation

d = [tex]\sqrt{1-(-4))^{2}+(-3-5)^{2} }[/tex]

d = [tex]\sqrt{5^{2}+(-8)^{2} }[/tex]

d = [tex]\sqrt{25+64}[/tex]

d = [tex]\sqrt{89}[/tex]

Hence, the distance between the points E = (-4,5) and L = (1,-3) in the coordinate plane is  [tex]\sqrt{89}[/tex]

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Compound interest formula:

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

Where:

A = future vale

P= Principal investment = 9,000

r = interest rate in decimal form = 9/100 = 0.09

n = number of compounding periods = 4

t = years = 8

Replacing:

A = 9000 ( 1 + 0.09/4)^ (4*8)

A = 9000 (1.0225)^32

A= 18,342.93

The future value is $18,342.93

To determine the z-value so that the area to the right of z is 0.9429

The expression which can be used to represent the total owed for 3 months given the cost per month and a one-time equipment fee is 3(c) + 25

The correct answer option is option C

The total owed = Number of months(Price of the cable per month) + One time equipment fee

The total owed = 3(c) + 25

I'm conclusion, the expression for the total owed is represented by 3(c) + 25

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Answer: option c

bc 3<c> is the fee for 25                                                                                                                  

Step-by-step explanation:

The specific thing about this graph is it forms a straight line, and it extends to point of origin. The time x is on the x-axis and the distance y is on the y-axis. The coordinates on the graph are the same as the pairs in the table. (2, [tex]6\frac{2}{3}[/tex]) means Sam's mother ran  [tex]6\frac{2}{3}[/tex] km in 2 hours.

Relationships between two variables are called as proportional when you see that their ratios are equal. One variable in a proportional connection is always a constant value multiplied by the other. "Constant of proportionality" is the name that is given to this constant.

The graph of a proportionate connection is a straight line that passes through the origin and rises steadily. The graph's unit rate can be represented by the point on this graph.

The graph depicting this proportional relationship formed in the table can be seen in the image attached.

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The complete question is:

"Sam's mother has entered a 10K race. Sam and his family want to show their support of their mother, but they need to

figure out where they should go along the race course. They also need to determine how long it will take her to run the

race so that they will know when to meet her at the finish line. Previously, his mother ran a SK race with a time of

hours. Assume Sam's mother ran the same rate as the previous race in order to complete the chart.

Create a table that shows how far Sam's mother has run after each half hour from the start of the race, and graph it on

the coordinate plane to the right.

a) What are some specific things you notice about this graph?

b) What is the connection between the table and the graph?

c) What does the ordered pair (2,6 [tex]\frac{2}{3}[/tex]) Represent in the context of this problem?"

7 * the smaller of two consecutive even integers is the same as -248 minus 6 * the larger integer. find the integers​

let

x ----> the smaller of two consecutive even integers

x+2 -----> the second integer

so

7x=-248-6(x+2)

solve for x

7x=-248-6x-12

7x+6x=-248-12

13x=-260

x=-20

the second number is

-20+2=-18

Answer:

B: 2.3 x 10^18

expination:

Substitute values into the formula.

F x L = 3.0 x 10*10

F x 1.3 x 10^−8 = 3.0 x 10^10

F = 3.0 x 10^10 1.3 x 10^−8 F = 2.3 x 10^18

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Given the information on the problem, we can write the following system of equations:

then, we can write the following augmented matrix:

now, if we multiply by 5 the first row and then substract it from the second row, we get:

notice that from the second equation, we can find the value of y:

now that we have that y = 4, we can use this value on the first equation to find x:

now, we have that the babysitter worked 1 hour before 11pm and 4 hours after 11 pm,then, the Burkes came home at 3 am

Looking at the series, we have a geometric sequence, where the first term is a1 = 5 and the common ratio is q = -3/5.

(This ratio can be calculated by dividing one term by the term before)

To find the sum of an infinite geometric sequence, we can use the formula below:

Since a1 = 5 and q = -3/5, we have:

Therefore the correct option is C.

After evaluating the limit we have came to find that the limit of [tex]\frac{x + 1}{x^2 -4x +4}[/tex] as x approaches 2 is ∞

A limit in mathematics is the value that a function, sequence, or index approaches as an input, or an index, approaches a certain value. The definitions of continuity, derivatives, and integrals depend on limits, which are fundamental to calculus and mathematical analysis.

The idea of a limit of a sequence is further generalized to include the idea of a limit of a topological network, and it is closely related to the concepts of limit and direct limit in category theory.

A limit of a function is typically expressed in formulas as

[tex]{\displaystyle \lim _{x\to c}f(x)=L,}[/tex]

To find the limit we will use L'Hôpital's Rule

Find the derivative

[tex]\lim_{x \to 2} \frac{1 + 0}{2x -4 +0}[/tex]

Evalúe 2 as x

⇒ [tex]\frac{1 + 0}{2x -4 +0}[/tex]

⇒ [tex]\frac{1}{2(2) -4 +0}[/tex]

⇒ [tex]\frac{1}{0}[/tex]

⇒ ∞

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