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3 years ago

8

A circle has a diameter of 6 cm. What is its area?

2 answers:

AleksandrR [38]3 years ago

8 0

Hey there, we are going to use two formula's, the first formula is A=πr², and the second formula is d=2r. Now, we can solve for a, A=1/4πd²=1/4*π*6²=28.27433cm², Therefore, the answer is 28.26 cm 2

irinina [24]3 years ago

8 0

Answer:

we are going to use two formula's, the first formula is A=πr², and the second formula is d=2r. Now, we can solve for a, A=1/4πd²=1/4*π*6²=28.27433cm², Therefore, the answer is 28.26 cm 2

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7.C.J. says the quotient of -3/4 divided by 1/4 is - 1/3

Elanso [62]

The correct quotient is -3

The mistake CJ likely made is multiplying using the reciprocal of -3/4. The correct option is d. He multiplied using the reciprocal of -3/4

From the question,

We are to determine the correct quotient.

The given division operation to be carried out is -3/4 divided by 1/4

The correct quotient can be determined as shown below

$-\frac{3}{4} \div \frac{1}{4}$

Multiply $-\frac{3}{4}$ by the reciprocal of $\frac{1}{4}$

The reciprocal of $\frac{1}{4}$ is $\frac{4}{1}$

Then, we get

$-\frac{3}{4} \times \frac{4}{1}$

This gives

$-\frac{12}{4}$

= -3

The correct quotient is -3

The mistake CJ likely made is multiplying using the reciprocal of -3/4.

Hence, the correct quotient is -3

The mistake CJ likely made is He multiplied using the reciprocal of -3/4. The correct option is d. He multiplied using the reciprocal of -3/4

Learn more here: brainly.com/question/13124034

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Which of the following equations has both -6 and 6 as possible values of c?

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Answer:

$\text{Thus the value of x = }\frac{7}{2}$

Step-by-step explanation:

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Now, we need to solve this equation in order to find the value of x

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