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netineya [11]
3 years ago
13

ALGEBRA NATION!!! NEED HELP :(

Mathematics
1 answer:
Vilka [71]3 years ago
6 0
Length of AC is 5 I hope this helps I can’t think right right now so bare with me











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What is the value of a cube if the length of one side is 9 inches
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Answer:

729 in ^3

Step-by-step explanation:

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3 years ago
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What is the value of x + 186 when x = -21
fredd [130]

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165

Step-by-step explanation:

-21+186=165 .....

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A manufacturer produces bolts of a fabric with a fixed width. A quantity q of this fabric (measured in yards) that is sold is a
BigorU [14]

Answer:

R'(20) = 2000

Step-by-step explanation:

We are given the following in the question:

Quantity, q

Selling price in dollars per yard, p

q=f(p)

Total revenue earned =

R(p)=pf(p)

f(20)=13000

This means that 13000 yards of fabric is sold when the selling price is 20 dollars per yard.

f′(20)=−550

This means that increasing the selling price by 1 dollar per yards there is a decrease in fabric sales by 550.

We have to find R'(20)

Differentiating the above expression, we have,

R'(p) = \displaystyle\frac{d(R(p))}{dp} = \frac{d(pf(p))}{dp} = f(p) + pf'(p)

Putting the values, we get,

R'(p) = f(p) + pf'(p)\\\\R'(20) = f(20) + 20(f'(20))\\\\R'(20) = 13000 + 20(-550) = 2000

7 0
3 years ago
A regular heptagon has sides measuring 26 mm and is divided into 7 congruent triangles. Each triangle has a height of 27 mm. Wha
Inessa [10]
567 square mm
because 27*7 is 189 an times 3 because each side has 3 sides so it equals to 567 square mm! :)

8 0
2 years ago
Ben is 39 years old and Ishaan is 3 years old. How many years will it take until Ben is only 4 times as old as Ishaan?
Evgen [1.6K]

Answer:

9\ years

Step-by-step explanation:

Let

x------> the number of years

we know that

(39+x)=4(3+x)

Solve for x

39+x=12+4x

4x-x=39-12

3x=27

x=9\ years

4 0
3 years ago
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