a) Give an example of discrete data that might consist of some decimal numbers.
b) Give an example of continuous data that might not have any numbers with fractional parts

Answer: v = 17°

Step-by-step explanation:

All triangles add up to 180°.

[tex]94+35+3v=180[/tex]

[tex]3v=51\\v=17[/tex]

Answer:

Step-by-step explanation:

v=51

The complete table will be;

In 2 years, The amount of salary = $35,200

In 5 years, The amount of salary = $31,200 + 5 x $4,000 =  $51,200

In 10 years, The amount of salary = $71,200

In x years, The amount of salary =  =  $31,200 + $4,000x

What is Multiplication?

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

Given that;

A high school graduate can make $31,200 per year.

Any additional year of training or schooling can increase the salary by $4,000 per year.

Now, In one year, Salary = $31,200

So, In 2 years, The amount of salary = $31,200 + $4,000

                                                        = $35,200

In 5 years, The amount of salary = $31,200 + 5 x $4,000

                                                  = $31,200 + $20,000

                                                  = $51,200

In 10 years, The amount of salary = $31,200 + 10 x $4,000

                                                   = $31,200 + $40,000

                                                   = $71,200

In x years, The amount of salary = $31,200 + x × $4,000

                                                  = $31,200 + $4,000x

Thus, The complete table will be;

In 2 years, The amount of salary = $35,200

In 5 years, The amount of salary = $31,200 + 5 x $4,000 =  $51,200

In 10 years, The amount of salary = $71,200

In x years, The amount of salary =  =  $31,200 + $4,000x

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The amount of flour that Rosemary needs for the increased recipe of cookie is 138 2/3 batches.

The quantity of flour and sugar needed for a batch of cookie recipe are written as mixed numbers. A mixed number is a non-integer that consists of a whole number and a proper fraction. A proper fraction is a fraction where the numerator is smaller than the denominator.

In order to determine the quantity of flour that would be needed for 3 1/4 batches, multiply the amount of flour needed for one batch of cookie by the number of batches to be made.

Multiplication is the process that is used to determine the product of two or more numbers. The sign that represents multiplication is x.

Amount of flour needed for 3 1/4 batches = flour needed for one batch x number of batches

42 2/3 x 3 1/4

128 / 3 x 13/4 = 416 / 3  = 138 2/3 batches

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Using the given linear function, we have that:

a) The equation in standard form is: h - 3.34r - 81.2 = 0.

b) The intercepts are given as follows: h-intercept = 81.2, r-intercept = -24.31.

c) The predicted height is of 164.7 centimeters.

A linear function, in slope-intercept format, is modeled according to the following rule:

y = mx + b

In standard format, the equation is given by:

y - mx - b = 0.

In which:

For this problem, the equation is:

h = 81.2 + 3.34r.

In standard format, the equation is:

h - 3.34r - 81.2 = 0.

From the equation, the h-intercept is of 81.2. To find the r-intercept, we have to solve for r when h = 0, hence:

3.34r + 81.2 = 0.

3.34r = -81.2

r = -81.2/3.34

r = -24.31.

For item c, the radius is given by r = 25, hence the height will be given as follows:

h = 81.2 + 3.34(25) = 164.7.

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Answer:

x=15, y=7

Step-by-step explanation:

Angles that form a linear pair are supplementary, so:

[tex]2(5x-5)+3x-5=180 \\ \\ 10x-10+3x-5=180 \\ \\ 13x-15=180 \\ \\ 13x=195 \\ \\ x=15 \\ \\ \\ \\ 5y+5+20y=180 \\ \\ 25y+5=180 \\ \\ 25y=175 \\ \\ y=7[/tex]

Answer:

it’s B

Step-by-step explanation:

just took the test

Answer:

D.105

Step-by-step explanation:

sum of measures of the three angles equal 180

therefore measure of angle B equal 180-(52+23)=105 degree

well, the bill was $59.17, if we round it by the "tens", the closest to 59 is 60, since 59 is farther from 50 but closer to 60, so it rounds up to 60

[tex]50\stackrel{farther}{\rule[0.35em]{18em}{0.25pt}59.17}\stackrel{closer}{\rule[0.35em]{2em}{0.25pt}}60 \\\\[-0.35em] ~\dotfill\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{15\% of 60}}{\left( \cfrac{15}{100} \right)60}\implies 9[/tex]

Answer: c x=3

Step-by-step explanation:

Simplify it you will get

2-x=x-4 then minus x and four so you will get

2x=6 divide

X=3

Answer:

False

Step-by-step explanation:

Scale copies are indicated by proportional changes in the lengths of the sides of a figure. in this image, we can see that the bottom side of the figure is different while the shorter segments on each figure are the same length. Because of this, the answer is False as they can not be scale copies.

The distances of the ships makes a right angled triangle. Ship A sails at 25 mph in direction QP, towards north. Ship B sails at 14 mph in direction QR, towards east.

Therefore, the distance between the two ships at 1 P.M. would be the distance between PR.

Applying Pythagoras Theorem,

[tex]P^{2} +B^{2} = H^{2}[/tex]

[tex](PQ)^{2} + (QR)^{2} = (PR)^{2} \\PR= \sqrt{(PQ)^{2} + (PR)^{2} } \\= \sqrt{(25)^{2} + (14)^{2} } \\= \sqrt{821} mph[/tex]

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solution

To factorize the Trinomial, we seek two numbers such that the product is -14 and the addition is 5

We have

Pair Product sum

(-2, 7) -14 5

Hence we have

Hence the correct option is C

Answer:5.44

Step-by-step explanation:

3.2x1.7

An inequality to determine the rate of temperature decrease in degrees Celsius per day d, from Monday to Thursday is 30°c - 3d [tex]\leq[/tex] 20°c

Let's assume the constant rate of decreasing the temperature be d degree Celsius.

So, the total decrease in temperature in three days is 3d degree Celsius.

Given,

The temperature on Monday is 30° c

Then,

The temperature on Thursday (which is 3 days later) will be 30°c - 3d

Since the pool opens when the temperature is higher than 20°c,

The equation to determine the rate of temperature decrease in degrees Celsius per day will be 30°c - 3d [tex]\leq[/tex] 20°c

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The number of weeks that they will they have same number of baseball cards is 5 weeks.

From the information given, Ty and Elijah each decide to collect baseball cards. It should take about Ty has 37 cards and Elijah has 42 cards to begin with. Ty decides to buy 4 more cards each week and Elijah decides to buy 3.

Therefore, the expression for Ty will be:

= 37 + 4x

The expression for Elijah will be:

= 42 + 3x

where x = number of cards

Therefore, this will be:

37 + 4x = 42 + 3x

4x - 3x = 42 - 37.

x = 5

The number of weeks is 5.

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Ty and Elijah each decide to collect baseball cards. Ty has 37 cards and Elijah has 42 cards to begin with. Ty decides to buy 4 more cards each week and Elijah decides to buy 3. In how many weeks will they have same number of baseball cards?

The equations with parentheses added to make them true are;

Parentheses indicate that operations within it should be completed first before those that are outside the parentheses.

The given terms of the equations can be regrouped with parentheses to make the equations true as follows;

1. 4 × 3 + 7 - 6 × 1 + 4 = 20

The above equation gives;

3 + 7 - 6 = 4

Therefore;

4 × 3 + 7 - 6 × 1 + 4 = 4 × (3 + 7 - 6) × 1 + 4

4 × (3 + 7 - 6) × 1 + 4 = (4 × 4) × 1 + 4

(4 × 4) × 1 + 4 = 16 × 1 + 4 = 16 + 4 = 20

Which gives;

2. 60 - 18 ÷ 2 + 4 + 10 ÷ 2 = 12

60 - 18 = 42

2 + 4 = 6

The first four terms, therefore gives;

(60 - 18) ÷ (2 + 4) = 7

10÷2 = 5

Which gives;

60 - 18 ÷ 2 + 4 + 10 ÷ 2 = (60 - 18) ÷ (2 + 4) + 10÷2

(60 - 18) ÷ (2 + 4) + (10÷2) = 7 + 5 = 12

Which gives;

60 - 18 ÷ 2 + 4 + 10 ÷ 2 = (60 - 18) ÷ (2 + 4) + 10÷2 = 12

The expression is therefore;

3. 80 - 36 ÷ 2 + 6 - 2 × 5 + 1 = 44

80 - 36 ÷ 2 + 6 - 2 × 5 + 1 = 80 - 36 ÷ (2 + 6 - 2) × (5 + 1)

(2 + 6 - 2) = 6, and (5 + 1) = 6

Therefore;

80 - 36 ÷ 2 + 6 - 2 × 5 + 1 = 80 - ((36 ÷ 6) × 6)

80 - ((36 ÷ 6) × 6) = 80 - ((36 × 6) ÷ 6)

80 - ((36 × 6) ÷ 6) = 80 - (36 × 1) = 44

Therefore;

4. 3 × 5 + 4 - 2 × 2 + 6 - 4 = 15

3 × 5 + 4 - 2 × 2 + 6 - 4 = 3 × (5 + 4) - (2 × (2 + 6) - 4)

3 × (5 + 4) - (2 × (2 + 6) - 4) = 3 × 9 - (16 - 4)

3 × 9 - (16 - 4) = 27 - 12 = 15

Therefore;

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This can be re-inserted into our vertex equation to obtain. y=2(x−2)2+3.

In "standard form," if your instructor desires it, we can expand the right side to get:

Write a quadratic function with a vertex of (2, "-3)" to show results

Find write a quadratic function with vertex of instead (2, -3)

Answer 1

A quadratic's common vertex form is. y=m(x−a)2+b.

In light of the vertex, this becomes (2,3).

So, we do. 11=m(4−2)2+3. f(x) = a(x - h)2 + k, where a, h, and k are constants, is the vertex form of a quadratic function (h, k). If the vertex form of the quadratic parent function f(x) = x2 is used, then y = a(x - h)2 + k, where a = 1, h = 0, and k = 0.

Putting it simply: 8=m(2)2. 8=4m. m=2.

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The cost of the 5 t-shirts in her currency of Krona is 608.313 Krona.

The formula for converting currencies is Original Currency / New Currency = Exchange Rate.

Given:

Cost of 7 t-shirts at a special deal = $97.93

Now, she wants to purchase 5 t-shirts for her family members at this special rate.

Total Cost of 5 shirts in dollars = (97.93 * 5)/7 = $69.95

The exchange rate of the currency is 1 U.S. Dollar = 8.6964 Krona

So, $69.95 = (69.95 * 8.6964)/1 = 608.313 Krona

Therefore, the cost of the 5 t-shirts in her currency of Krona is 608.313 Krona.

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Isaac need to invest $ 36720.

Given,

Isaac is going to invest in an account paying an interest rate of 6.3% compounded monthly.

and,  the value of the account to reach $57,000 in 7 years.

To find the how much would Isaac need to invest.

Now, According to the question:
Let x be the invest in an account.

Based on the given conditions,

formulate:

x . [tex]([/tex]1 + 6.3%/ 12[tex])^7^.^1^2[/tex] = 57000

Solve the equation

x . (1 + 0.063/12[tex])^7^.^1^2[/tex] = 57000

Convert decimals to integers

x . (1 + 63/12000[tex])^7^.^1^2[/tex] = 57000

Reduce the fraction

x . (1 + 21/4000[tex])^7^.^1^2[/tex] = 57000

x . ([tex]\frac{4000+21}{4000})^8^4[/tex] = 57000

Calculate the sum or difference

x . (4021 / 4000[tex])^8^4[/tex] = 57000

x = [tex]\frac{57000}{(\frac{4021}{4000})^8^4 }[/tex]

Simplify using exponent rule with same exponent :

[tex](ab)^n = a^n . b^n[/tex]

x = [tex]\frac{57000 . 4000^8^4}{4021^8^4}[/tex]

Solve the above equation, we get

x = 36720

Hence, Isaac need to invest $ 36720

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Hello!

To find f(12):

 ⇒ must plug in '12' into the x's position in the equation

  [tex]f(12)=-2(12) +1=-24+1=-23[/tex]

Hope that helps!

The first term of the geometric progression will be 128.

When there is a constant between the two successive numbers in the series then it is called a geometric series. In other words, every next term is multiplied by that constant term to form a geometric progression.

Given that the common ratio of the geometric series is ( 1 / 4 ) and the sum of the first four terms is 170.

The first term of the geometric series will be calculated as:-

[tex]S_n = a_1\dfrac{(r^n-1)}{r-1}[/tex]

[tex]170 = a_1\dfrac{(\dfrac{1}{4}^4-1)}{\dfrac{1}{4}-1}[/tex]

a₁ = ( 170 x 64 ) / 85

a₁ = 2 x 64

a₁ = 128

Therefore, the first term of the geometric progression will be 128.

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Cube roots - The two numbers that are solutions to the equation x³ = 27 are +3 and -3.

What are cube roots?

A number's cube root is a quantity that, when multiplied by itself three or more times, returns the original quantity. The cube root of 27, represented as 327, for instance, is 3 because 3 x 3 x 3 = 27 = 33 when we multiply 3 by itself three times. As a result, we can state that the cube root yields a value that is essentially cubed. Here, 27 is referred to as the ideal cube. We may deduce what the cube's root is from the word "cube root." It denotes the integer that brought about the cube under the root. Typically, we use the prime factorization technique to determine the cubic root of perfect cubes. We can discover the importance of square root in a similar way.

We are given the equation,

[tex]x^{3}[/tex] = 27

taking cube root on both the sides to find the value of x,

we get,

x = ±[tex]\sqrt[3]{27}[/tex]

further solving,

x = ±3.

Hence the two solutions of the  x³ = 27 equation will be ±3 or +3 and -3.

Because 3x3x3 Equals 27, the cube root of 27 is 3.

Since 4x4x4 = 64, the cube root of 64 is also 4, and so on.

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LET US FIRST FIND m<FEG using sum of angles in a triangle

[tex]58 + 90 + < feg = 180 \\ < feg = 180 - 90 - 58 \\ < feg = 32[/tex]

NOW WE CAN SEE THAT <FEG +<E =180° BECAUSE THEY ARE ON A STRAIGHT LINE.

[tex] < feg + 4x = 180 \\ 32 + 4x = 180 \\ 4x = 180 - 32 \\ 4x = 148 \\ \frac{4x}{4} = \frac{148}{4} \\ x = 37[/tex]

THEREFORE x=37°

The inverse of the given function is f^-1(x)=  (x - 63) /14

A function's reverse function F is a function that reverses the action of f (sometimes known as the inverse of f). If the inverse of f exists, it is designated by f -1 and exists only if f is bijective. The graph of the inverse of a function shows the function and the inverse of the function, which are both plotted over the line y = x. This graph's line traverses the origin and has a slope value of 1.

The first step is to open the brackets

So now we get, f(x)= 14x - 63

Let f(x) be y so this  becomes y= 14x+ 63

Now interchange the variables and we will get

x= 14y+ 63

(x- 63)/14= y

Replace y by f^-1(x).

f^-1(x)= (x - 63) /14

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The vertex of the equation is (1, -1).

The equation of a parabola in vertex form is,

y = a(x-h)² + k

The coordinates of the vertex are (h,k) respectively and a is a constant.

Given:

y =  x² - 2x

Rearrange the given equation in the form of the equation of the parabola in vertex form using the method of completing the square.

y = (x² - 2x + 1) - 1

y = (x - 1)² - 1

Therefore, the vertex of the equation is (1, -1).

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The Last box-and-whisker plot represents the data 6, 7, 9, 9, 20, 22, 26, 28, 29, 30.

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