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anyanavicka [17]
3 years ago
13

1. Which expression is the completely factored form of x^6−64y^3 ?

Mathematics
1 answer:
GalinKa [24]3 years ago
5 0
1. A (x²-4y)³
2. ?=5
3. (x+3)(3y-5)
4. (4y+7)(5x-1)
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Please help me with this one
Burka [1]
What is the question
7 0
3 years ago
After 4 days, a bookstore has 140 copies of a new title still on hand. After 9 days, the bookstore has 50 copies still on hand.
alexira [117]

Answer:

c(t) =-18t +212

Step-by-step explanation:

Given

(t_1,c_1) = (4,140)

(t_2,c_2) = (9,50)

Required

Determine the equation

First, we calculate the slope (m)

m = \frac{c_2 - c_1}{t_2 - t_1}

m = \frac{50 - 140}{9-4}

m = \frac{-90}{5}

m = -18

The equation is then calculated as:

c =m(t - t_1) + c_1

c =-18*(t - 4) + 140

c =-18t +72 + 140

c =-18t +212

Hence, the function is:

c(t) =-18t +212

8 0
3 years ago
Express the formula P=2L+2W in terms of the width,W. Use the formula to find the width when the perimeter is 70 and the length i
ozzi

Answer:

<h2>The width is 13</h2>

Step-by-step explanation:

From the question

P=2L+2W

where

L is the length

W is the width

To make W the subject move 2L to the left side of the equation

That's

2W = P - 2L

Divide both sides of 2 to make W stand alone

We have

W =  \frac{P - 2L}{2}

when

P = 70

L = 22

W is

W =  \frac{70 - 2(22)}{2}  \\ W =  \frac{70 - 44}{2}  \\ W =  \frac{26}{2}

We have the final answer as

<h3>W = 13</h3>

Hope this helps you

5 0
3 years ago
Read 2 more answers
HELP PLSSS THIS IS HARD SOMEONE
Simora [160]

Answer:

270 degrees counter-clockwise

Step-by-step explanation:

90 degree clockwise or 270 degree counter-clockwise

(x,y)----->'(y,-x)

8 0
3 years ago
List three purpose of building foundation
enyata [817]

Answer:

The three most important are to bear the load of the building, anchor it against natural forces such as earthquakes, and to isolate it from ground moisture. The relative importance of these functions changes with the type of land underneath the building and the building design

7 0
3 years ago
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