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Mkey [24]
3 years ago
13

How do I do this? Im stuck on what to do

Mathematics
1 answer:
Nastasia [14]3 years ago
6 0
CD and DE are equal distance so their equations are equal:
2x+7 = 4(x-3)
2x+7 = 4x-12
Subtract 2x from both sides
7 = 2x-12
Add 12 to both sides
19 = 2x
9.5 = x
Now that u have x just plug it into the equation for DE
4(9.5-3)
38-12
26 is the answer
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a triangle has a 40° angle, a 120° angle and a side 2.5 centimeters in length. which of the following statements are true about
pochemuha

Answer:

C

Step-by-step explanation:

A triangle is 180 degrees so 120+40 is 160

180-160=20

6 0
3 years ago
Evaluate each expression. Determine if the final simplified form of the expression is positive or negative -42 (-4)2 42
Sati [7]

Answer:

Given the expression:

1.

-4^2

we know:

4^2 = 4 \times 4 = 16

then;

-4^2 = -16

Therefore, the value of expression -4^2 is -16 i.e negative.

2.

(-4)^2

we know:

4^2 = 4 \times 4 = 16

(-1)^2 = 1

then;

(-4)^2 = (-1)^2 \cdot (4)^2= 16

Therefore, the expression (-4)^2 is 16 i.e Positive.

3.

4^2

we know:

4^2 = 4 \times 4 = 16

then;

4^2 = 16

Therefore, the expression 4^2 is 16 i.e Positive.


8 0
3 years ago
How many 2 1/2 inch-long steel stakes can Curtis cut from a piece of steel that is 25 inches long?​
aleksley [76]
10 or u could do 25 divided by 2.5 is 10
7 0
2 years ago
Rounded 11,062,113 to the nearest million
Mashcka [7]

Answer:

Hi there!

Your answer is;

11million

Step-by-step explanation:

In this equation, the million is in position 1<u>1</u>,062,113

We round down, because the following number is 0!

Hope this helps

4 0
3 years ago
Read 2 more answers
two bottles X and Y contain some water. from bottle X we pour into bottle Y twice as much water as bottle Y alredy contains. we
bonufazy [111]

Step-by-step explanation:

X had 300

Y had 100

for you

6 0
3 years ago
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