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Romashka [77]
3 years ago
11

Which expressions are equivalent to 2(2x + 4y + x − 2y)?

Mathematics
1 answer:
Greeley [361]3 years ago
5 0
C should be your answer:))))
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How is 40 gummy bears for 5 dollars written as a fraction?
Marina86 [1]
40/5 because to find the answer you would divided them

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3 years ago
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How many miles should a 2010 car have in 2019?​
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7 0
3 years ago
What are 3 equivalent ratios to 3/4?
blsea [12.9K]

Answer:

6/8, 9/12, 12/16

Step-by-step explanation:

Multiply the numerator and denominator by the same amount to maintain the same ration.

\frac{3}{4} =\frac{6}{8} = \frac{9}{12} =\frac{12}{16}

8 0
3 years ago
Small squares with sides 4 cm were cut from each of the corners of a square piece of cardboard. then it was folded into an open-
DENIUS [597]
Suppose the length of the card board was x cm by x cm
After squares of 4cm was cut from the corner, the dimension for the box will be:
length=(x-8) cm
width=(x-8) cm
height=4 cm
thus the volume will be:
V=length*width*height
V=4×(x-8)×(x-8)=144
x²-16x+64=36
this can be simplified to form a quadratic equation given by:
x²-16x+28=0
solving the quadratic equation we get:
x=2 or x=14
Thus we conclude that the original dimensions was:
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7 0
3 years ago
There is a tall tree in ivas backyard. She thinks it might hit her house if it fell over. She measures that the base of the tree
GrogVix [38]

Answer:

The height of the tree is Greater than 50 feet, so Iva’s house is not safe

Step-by-step explanation:

Find the height of the tree

Let

h ----> the height of the tree

we know that

The tangent of angle of 50 degrees is equal to divide the opposite side to the angle of 50 degrees (height of the tree) by the adjacent side to the angle of 50 degrees (tree’s distance from the house)

so

tan(50°)=h/50

h=(50)tan(50°)=59.6 ft

therefore

The height of the tree is Greater than 50 feet, so Iva’s house is not safe

7 0
3 years ago
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