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Mazyrski [523]
3 years ago
11

Someone help me do the first problem so that I can do the rest

Mathematics
1 answer:
Novay_Z [31]3 years ago
7 0

Answer:

C = 69.1 ft

Step-by-step explanation:

The circumference is given by

C = 2*pi*r

C = 2* 3.14 * 11

C =69.08

Round to the nearest tenth

C = 69.1 ft

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I need help... I honestly don’t know.
Serhud [2]

Answer:

∡ABC=55°

Step-by-step explanation:

<u>Step 1: Identify all angles</u>

∠A=(x+45)°

∠B=(6x+5)°

∠C=(3x)°

∠ABC=(180-∠B)°=(180-(6x+5))°

<u>Step 2: Use the Triangle Angle Sum Theorem</u>

∠A+∠ABC+∠C=180°

(x+45)+(180-(6x+5))+(3x)=180

x+45+180-6x-5+3x=180

-2x+45+180-5=180

-2x+45-5=0

-2x+40=0

-2x=-40

x=20

<u>Step 3: Plug in x=20 for ∠ABC</u>

∠ABC=(180-(6x+5))°

(180-6(20)-5)°

(180-120-5)°

(60-5)°

55°

So ∡ABC=55°

8 0
2 years ago
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Which expression does NOT simplify to 1?
koban [17]

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f*f/f^2 = f^2 / f^2 = 1

Answer:

f^2g^3 / f^3g^2

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3 years ago
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SSSSS [86.1K]

its option 3 because is doesn't have even sides

5 0
3 years ago
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Verdich [7]

Answer: First one is B second one just make it

Step-by-step explanation:

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3 years ago
NEED HELP!<br> Problem is in the photo.
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b 2x-y=-4. is the answer

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