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Nesterboy [21]
3 years ago
6

Find the value of x.

Mathematics
1 answer:
Tresset [83]3 years ago
4 0

Answer:

In the first problem, the value of x is 13.85

Step-by-step explanation:

To find this, we can use the Pythagorean Theorem. This allows us to use the length of the legs (a and b) to determine the length of the hypotenuse (c) .

a^2 + b^2 = c^2

5.3^2 + 12.8^2 = c^2

28.09 + 163.84 = c^2

191.93 = c^2

13.85 = c

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Answer:

186.3 quarts of punch

Step-by-step explanation:

175+11.3=186.3

it asks how much did she make in total so you would need to add the 2 together to get the total

6 0
3 years ago
A regression analysis between sales (y in $1000) and advertising (x in dollars) resulted in the following equation y = 50,000 +
Vikentia [17]

Answer:

D. increase of $1 in advertising is associated with an increase of $6,000 in sales.

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Every dollar in advertisting is multiply by 6 in the equation, but every unit in y represent $1000. That means that $1 1n advertisting is multiply by 6 and then by $1000, that is $1 in advertisting = $6000 in sales.

4 0
3 years ago
What is the x value such that y= 15-3x and y=0?
enot [183]

Answer:

5

Step-by-step explanation:

y = 15 - 3x

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7 0
3 years ago
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60 pts! <br><br>2x + 34 = 4(x + 5)<br><br>solve the equation for x. ​
erma4kov [3.2K]

Answer:

x=7

Step-by-step explanation:

expand 4(x+5): 4x+20

2x+34=4x+20

subtract 34 from both sides

2x+34-34=4x+20-34

2x=4x-14

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2x-4x=4x-14-4x

-2x=-14

divide both sides by -2

-2x/-2=-14/-2

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7 0
3 years ago
The graph of which function will have a maximum and a y-intercept of 4? f(x) = 4x2 + 6x – 1 f(x) = –4x2 + 8x + 5 f(x) = –x2 + 2x
Svetradugi [14.3K]

Answer:

It is f(x) = -x^2 + 2x + 4.

Step-by-step explanation:

As it has a maximum the coefficents of x^2 will be negative.

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The y-intercept occurs when x = 0 so

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7 0
3 years ago
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