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Novosadov [1.4K]
3 years ago
11

I am stuck on the question because I don't know it.

Mathematics
1 answer:
artcher [175]3 years ago
6 0

Answer:

2x^2-29 its A

Step-by-step explanation:

5x-5=-25

2x-2=-4

-25+-4=-29

X x X=x^2

X^2 + X^2=2x^2

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Erica solved the equation −5x − 25 = 78; her work is shown below. Identify the error and where it was made. −5x − 25 = 78
AnnyKZ [126]

Answer:

A

Step-by-step explanation:

She should have added 25 to each side in order to cancel it out.

3 0
4 years ago
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Step-by-step explanation:

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5 0
3 years ago
What is the measure of angle BCD?<br><br> Please helppppp
mojhsa [17]

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4 years ago
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The air Temperature is -12C at sunrise and rises 4 degrees c every hour for several hours the air temperature after x hours is r
Stolb23 [73]

Let f(x) = y.

y = 4x - 12

Let x = 0

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4 0
3 years ago
Correct answer gets brainliest!!!!!
Aliun [14]
Hello!

You can use the Pythagorean Theorem to solve this

Separate the rectangle into two triangles

a^{2} + b^{2} = c^{2}

c is the diagonal
a and b are the side lengths

Put in the values you know

5^{2} + 4^{2} = c^{2}

Square the numbers

25 + 16 =  c^{2}

Add

41 =  c^{2}

Take the square root of both sides

6.4 = c

The answer is B) 6.4 units

Hope this helps!
5 0
3 years ago
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