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frez [133]
3 years ago
14

7.539•3.0642estamate also 19.801•2.78 HELP

Mathematics
1 answer:
Fynjy0 [20]3 years ago
3 0
So i believe you need to round the whole number, if so than 8 * 3 = 24 and  20 * 3 = 60
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A dog trainer has 96 ft of fencing that will be used to create a rectangular work area. Encloses area of 320 ft^2. What will be
Anastaziya [24]

Answer:

<em>The dimensions of the area will be 8 ft x 40 ft</em>

Step-by-step explanation:

<u>Area and Perimeter</u>

The perimeter can be understood as the distance measured around a shape. The area gives us the idea of the space occupied by the shape. Being w and l the width and length of a rectangle, the perimeter and areas can be computed as follows

A=wl

P=2w+2l

The dog trainer has 96 ft of fencing to cover a 320 ft^2 rectangular area. This means that

wl=320

2w+2l=96

A system of equations is formed

\left\{\begin{matrix}wl=320\\ 2w+2l=96\end{matrix}\right

We divide the last equation by 2

w+l=48

solve for w

w=48-l

Replacing in the first equation

(48-l)l=320

Operating and arranging

l^2-48l+320=0

(l-8)(l-40)=0

We have two possible answers

l=8,\ l=40

Which gives us

w=40,\ w=8

In any case, the dimensions of the area will be 8 ft x 40 ft

6 0
3 years ago
MARKING BRANLIEST!! PLEASE HELP!!! what are the x-intercepts of the quadratic function y=x^2-3x+2
enot [183]
X-intercepts are points where the graph intersects the x-axis, i.e. when y=0.

Substitute y=0 and solve for x:
y=x^2-3x+2
0=x^2-3x+2
0=(x-2)(x-1)

By the zero product property, we deduce x-2=0 or x-1=0, i.e. x=1 or x=2.
3 0
3 years ago
A cylinder is a type of prism.<br> true<br> false
Nadusha1986 [10]
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3 years ago
Two problems I can’t get is; 94-4.8 I know the answer is 89.2 but how?
vekshin1

Answer:

have the correct answer

Step-by-step explanation:

a-line the decimals nd subtract

6 0
3 years ago
I will mark u brainliest please help
musickatia [10]

Answer:

30+(2x+7)+63=180(sum of angles of triangle )

30+2x+7+63=180

2x+100=180

2x=180-100

x=80/2

x=40

6 0
2 years ago
Read 2 more answers
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