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Daniel [21]
2 years ago
15

1. Which expression is equivalent to 8 - 3?

Mathematics
1 answer:
m_a_m_a [10]2 years ago
3 0

Answer:

8-(-3)=8+3

This is because the two negatives cancel out.

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The profit when selling 'x' pairs of shoes is P(x)=-4x^2+32x-39. How many pairs of shoes should be sold in order to maximize the
Vitek1552 [10]

Answer: 4 pairs

Step-by-step explanation:

Given

Profit on selling 'x' pairs of shoes is P(x)=-4x^2+32x-39

Find the derivative of the function to find out the critical points

\Rightarrow -8x+32=0\\\Rightarrow x=4

Thus, for 4 pair of shoes profit is maximize.

5 0
2 years ago
What is the formula to find the volume of the solid ?
MakcuM [25]

Answer:

Step-by-step explanation:

Volume = 4πr³/3

Solid shape is a sphere. r ----> radius

5 0
3 years ago
two angles are complementary they also have the same measurements which statements below are correct ​
podryga [215]
The first both angles measure 45 degrees




Step by step explanation:


Complementary angles are angles that add up to 90 degrees and it said they both are equal which means both of them have to be half of the 90 degrees and half of 90 is 45 so 45 degrees
3 0
3 years ago
Not sure how to do this. Help is much appreciated. :D
Free_Kalibri [48]

Answer:

m = √n/3 -k

Step-by-step explanation:

√n = 3(k + m)

=> √n/3 = k + m

∴ m = √n/3 -k

Hope this helps!!

6 0
2 years ago
A 96 inch stick breaks into two pieces in the ratio of 3:5. How big is each piece?
Svetlanka [38]
40 cm.

let the length of the first part be 3x, second part be 4x, third part be 5x.

where x is a positive length in cm.

why 3x,4x and 5x ?

so that the ratio of lengths of the 3 parts be 3:4:5.

total length of the stick = 3x + 4x + 5x = 12x=96cm

so x=96/12 = 8cm

therefore the largest part of the stick (5x)= 5*8 =40cm
6 0
2 years ago
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