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rusak2 [61]
3 years ago
6

Help me pleaseeeee I will give brainleist

Mathematics
1 answer:
Rasek [7]3 years ago
3 0
-63/5 would be the answer
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The number 'N' of cars produced at a certain factory in 1 day after 't' hours of operation is given by N(t)=100t-5t^2, 0< or
Luden [163]

Given: C(N) = 15,000 + 8000N <span>

In the above equation simply substitute: 
N(t) = 100t - 5t^2 
for N 

</span>

<span>Therefore:
C(t) = 15,000 + 8000{ 100t-5t^2 } 
C(t) =15,000 + 800,000t - 40,000t^2.</span>

 

at t = 5

C(5) = 15,000 + 800,000*5 - 40,000*(5)^2

<span>C(5) = 3,015,000</span>

7 0
3 years ago
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The volume of a pyramid with a square base is given by the expression 1 / 3 s2 ( 2 is the exponent ) h, where s is the length of
Gemiola [76]
V=\dfrac{1}{3}\cdot24^2\cdot30\\&#10;V=10\cdot576\\&#10;V=5760 \text { ft}^2
5 0
3 years ago
To factor the quadratic expression x^2−8x−10 by completing the square, what value would be added? A. 64 B. 8 C. 16 D.-16
Elan Coil [88]

Answer:

C

Step-by-step explanation:

When completing the square, we essentially want to create a perfect square trinomial by adding a constant.

If we have the following expression:

x^2+bx

And we want to complete the square, we will need to divide the b-coefficient by half and then square it.

Thus, the added term should be:

(b/2)^2

In the given equation, we have:

(x^2-8x)-10

The b term here is 8. Therefore:

(8/2)^2\\=(4)^2\\=16

The value we would add would be 16.

The answer is C.

Further notes:

To complete the square, add 16 like mentioned earlier. However, we also need to subtract 16 to balance things out:

(x^2-8x)-10\\=(x^2-8x+16)-10-16\\

The expression inside the parentheses is now a perfect square trinomial. Factor it:

=((x)^2-2(4)(x)+(4)^2)-26\\=(x-4)^2-26

And we are done!

4 0
3 years ago
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Help I just not that smart ​
Lubov Fominskaja [6]

Answer:

1\frac{1}{9}  gallons of paint

Step-by-step explanation:

paint =

2/3 ---- 3/5

x ----  1

x = \frac{\frac{2}{3} }{\frac{3}{5} } =\frac{(2)(5)}{(3)(3)} =\frac{10}{9}

x=1\frac{1}{9}

Hope this helps

4 0
2 years ago
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Find the distance between the points (-4, -20) and (20, -20)
Gnoma [55]

Answer:

Babes, see the pic for the answer...

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3 years ago
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