I need help with this question.

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Answer 1

Answer:

Answer:

2 1/8 is located on the first line after 2 and 1 3/4 i think is located on the 3rd line after one

Step-by-step explanation:

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BEST GETS BRAINLEST.A construction engineer needs to make 25 square concrete slabs with sides of length x feet and a height x - 3 feet. If the engineer can use at most 350,000ft^3 of concrete, what should the dimensions of each slab be, to the nearest foot?

a. Write an expression for the volume of all the slabs

b. What should x equal, to the nearest foot?

Answers

Answer:

x ≈ 118 ft

Step-by-step explanation:

To get an expression for the volume of all slabs, we can use the formula of volume of cuboid 'V', which is equal to the product of its length 'x', breadth 'x' and height 'x-3' i.e.

$V = x.x.(x-3)$

For 25 slabs,

$V = 25x.x.(x-3)$

Since, V cannot be more than 350,000 $ft^(3)$ , therefore,

$350000 = 25x^(2) (x-3)$

which can be written as:

either:

$350000 = 25x^(2)$

$x = \sqrt{ (350000)/(25)$

x ≈ 118 ft

or:

$x - 3 = 350000$

$x = 350003$

which is not possible.

Hence x should be 118 ft

We know that the given side lengths are x and the height is x.

Therefore, the area of the base = $A = x * x$

$Formula =\ \textgreater \ volume = length*width*height$

$To \ find \ the \ volume \ of \ 1 \ slab, \ multiply \ by \ the \ height$ $x -3$

$= x*x*(x-3)$

$Volume \ of \ 25 \ slabs =$ $25*x^2*(x-3)=350000$

$350,000/25 = 14,000$

$x^3 - 3x^2 - 14000$

$= 25.14$

$Rounded => x=25$

Please help me with this!!

Answers

1. 4y > 20

4y / 4 > 20 / 4

y > 5

2. 7x + 21 < -28

7 < -28 - 21

7x < -49

x < -7

3. -12m - 24 > 36

-12m > 36 + 24

-12m > 60

m < - 5

hope this helped :)

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Answers

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then finde the areas of each, then add them up

Morris works in a flower shop and makes flower arrangements. She puts 10 flowers in each vase and 2/10 of the flowers are daisies. If Morita makes 4 arrangements, how many daisies does she need?

Answers

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Which scenario is best represented by the graph?A. Jamie left home at 8:00, stopped for lunch at 9:00 and then continued her trip.

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D. Jamie drove for 1 hour then turned right and continued driving for another hour. She finally turned left and continued driving for the next 4 hours.

Answers

Answer:

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Step-by-step explanation:

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12 is what percent of 96

Answers

12.5
12=96x/100
x=(100*12)/96
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