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1 year ago

The radius of a circle is 5 inches find the exact area of the circle

Mathematics

1 answer:

jeyben [28]1 year ago

8 0

I think the answer is 78.53982
Hope it helps!

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There are eight lockers in a school hallway and five of them have star stickers on the inside. If the first locker opened does n

Gemiola [76]

5/7. You are eliminating one of the 8 original lockers yet you still have 5 possible stars left. Hence a probability of 5 stars over 7 possible lockers left. 5/7 = .7143 or 71.43 %

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3 years ago

Angles $A$ and $B$ are supplementary. If the measure of angle $A$ is $8$ times angle $B$, what is the measure of angle A?

Whitepunk [10]

Answer:

A= 160

Step-by-step explanation:

anlge A is 8 times angle B so angle A is 8B

The sum of supplementary angles is 180

B+ 8B = 180

9B = 180

B= 20

AngleB=20

Angle A = 8*20 =160

5 0

4 years ago

How long of the sides?

qaws [65]

Answer:

√85

Step-by-step explanation:

s=[√d1)²+(d2)²]/2

s=(√12²+14²)/2

a=(√340)/2

s=(2√85)/2

s=√85

7 0

3 years ago

What is the value of x?

Elanso [62]

Since all the angles are congruent, the sides must be congruent too.

So, just have one equation on one side equal to another.

5x= 3x+6

Subtract 3x from both sides.

2x=6

Divide 2 into both sides.

x=3.

We can check this by seeing if all the sides are the same.

5(3)= 15

6(3)-5= 15

3(3)+6= 15

I hope this helps!
~cupcake

7 0

3 years ago

The equation (m^5/6) (m^1/6) ^7 =m^x what is the value of x that makes the equation true?

Nitella [24]

Answer:

Step-by-step explanation:

We have the equation

$m^{5/6}(m^{1/6})^7=m^x$

The exponent rules to be used are

$a^x\times a^y=a^{x+y}$

$(a^{x})^y=a^{xy}$

$m^{5/6}(m)^{7/6}=m^x\\\Rightarrow m^{\dfrac{5}{6}+\dfrac{7}{6}}=m^x\\\Rightarrow m^{\dfrac{5+7}{6}}=m^x\\\Rightarrow m^{\dfrac{12}{6}}=m^x\\\Rightarrow m^{2}=m^x$

Comparing the exponents we get

$x=2$

So, the value of $x=2$ makes the equation true.

6 0

3 years ago