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PolarNik [594]
2 years ago
7

Pls help! Answer the question in the pic. I will mark brainliest and I will give 5 stars and a thanks.

Mathematics
1 answer:
LenKa [72]2 years ago
5 0

Answer:

x = 10

Step-by-step explanation:

Use Pythagorean theorem to find the value of x

Focus only on one half of the triangle

if we slice the triangle in half, we get a right angle triangle

the base will now be 12/2 = 6

Pythagorean theorem says that a^2 + b^2 = c^2

plug 6 as a and 8 as b.

this should give you 100

now take the square root to find c (which equals x)

Ta-da!

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Please round to nearest hundredth and give explanation.
skelet666 [1.2K]

Answer:

I think PR = 20 but I'm not sure

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3 years ago
Help please really needed
Y_Kistochka [10]

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What is the center and radius of the circle with equation x2 + y2 - 4x + 22y + 61 = 0?
lesantik [10]
Hello,

x^2+y^2-4x+22y+61=0\\\\
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6 0
4 years ago
Please write answers to the questions that are in the image.
marishachu [46]

Answer:

To find part A you need to find common denominator.

1/3 + 3/5=

5/15 + 9/15= 14/15

His mistake for a is that he didn't find the common denominator and that he just added the fraction as it is. So the corrected version would be 14/15.

To find part B you also need to find the least common denominator.

11/12-5/6=

11/12-10/12=1/12

His mistake was that he didn't find the least common denominator and he subtracted the fraction as it is. The answer corrected would be 1/12.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
-8x-27=-7\left(1+2x\right)+2x
Darina [25.2K]

Answer:

x=5

Step-by-step explanation:

-8x-27=-7\left(1+2x\right)+2x

Expand:

-8x-27=-7\times 1-7\times 2x+2x

-8x-27=-7-12x

Add 27 to both sides:

-8x-27+27=-7-12x+27

-8x=-12x+20

Add 12x to both sides:

-8x+12x=-12x+20+12x

4x=20

Divide both sides by 4:

\frac{4x}{4}=\frac{20}{4}

x=5

5 0
3 years ago
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