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kow [346]
3 years ago
12

What is the area of a circle with a radius of 13 millimeters? (Use 3.14 for Pi.)

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
5 0
The area of a circle with radius of 13 millimeters is A≈530.93A=πr2=π·132≈530.92916
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5x-8=37 find the value of x
Andrej [43]
Because <span>−8</span><span> does not contain the </span>variable<span> to solve for move it to the other side of the </span>equation<span> by adding </span>8<span> to both sides.
</span><span>5x=8+37

</span>Add 8<span> and </span>37<span> to get </span><span>45.
</span><span>5x=45

</span>Divide<span> each </span>term<span> by 5.
</span>x=<span>9
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x is equal to 9
3 0
3 years ago
Clare has a recipe for yellow cake. She uses 913 cups of flour to make 4 cakes. Noah will follow the same recipe. He will make c
sergejj [24]

Answer:

(C)c= \frac{3}{7}f

Step-by-step explanation:

Clare uses 9\frac{1}{3} cups of flour to make 4 cakes.

It means  she uses 1 cup of flour to make 4\div9\frac{1}{3} cakes.

Let us simplify that expression first for future use.

4\div9\frac{1}{3}=4\div\frac{28}{3} =4 X \frac{3}{28} =\frac{3}{7}

Therefore, Clare uses 1 cup of flour to make \frac{3}{7} cakes.

If Noah follows the same recipe,

He uses f cups of flour to make c cakes

Using Ratio Method

→  Name  :  Cup  :  Cake

→  Clare   :    1        :   \frac{3}{7}

→  Noah   :     f       :   c

By using cross multiplication

c X 1 = \frac{3}{7}f

c= \frac{3}{7}f

The equation c= \frac{3}{7}f represents the relationship between c and f

8 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
Select a card from a stack of 10, then you put the card back and select another card. Find the probability of selecting a 2, and
Goshia [24]
The probability 5 out of 10
4 0
3 years ago
Read 2 more answers
Question 13 (Essay Worth 8 points)
mixer [17]

9514 1404 393

Answer:

  geometric sequence

Step-by-step explanation:

The terms of the sequence have a common ratio of -12/3 = -4, so the sequence is geometric. The general term is ...

  an = 3(-4)^(n-1)

so the sum can be written as ...

  \displaystyle\sum_{n=0}^\infty3(-4)^n

(Note the summation starts at n=0, corresponding to a first term of 3.)

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3 years ago
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