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2 years ago

With is the 5(6+7)-1(4+5)

Mathematics

1 answer:

Mkey [24]2 years ago

6 0

Answer:

56 :)

Step-by-step explanation:

hope it helps! brainliest please!

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Circle A has a diameter of approximately 20 inches and an area of approximately 300 in2.

Katena32 [7]

Answer:

4. About 2,700 in2

Step-by-step explanation:

The area of a circle ( $A$ ), measured in square inches, is directly proportional to the square of its diameter ( $d$ ), measured in inches. That is:

$A \propto d^{2}$

$A = k\cdot d^{2}$

Where $k$ is the constant of proportionality, dimensionless.

In consequence, the following relationship between circles A and B is obtained:

$\frac{A_{B}}{A_{A}} = \frac{d_{B}^{2}}{d_{A}^{2}}$

The area of the circle B is now cleared:

$A_{B} =\left(\frac{d_{B}}{d_{A}} \right)^{2}\cdot A_{A}$

Given that $d_{A} = 20\,in$ , $d_{B} = 60\,in$ and $A_{A} = 300\,in^{2}$ , then:

$A_{B} = \left(\frac{60\,in}{20\,in} \right)^{2}\cdot (300\,in^{2})$

$A_{B} = 2700\,in^{2}$

Therefore, the correct answer is 4.

7 0

3 years ago

Please help me with this!!

SashulF [63]

Answer:

Step-by-step explanation:

4 0

2 years ago

Without using a calculator, order the following numbers from least to greatest . 5 sqrt(14) 4

Flura [38]

Answer:

.5, sqrt 14, 4

Step-by-step explanation:

.5, 3.7416, 4

8 0

2 years ago

Help appreciated !!!!

sergiy2304 [10]

Answer:

Step-by-step explanation:

The circle is divided into 5 sections. The probability that the needle lands on a particular color is equally likely.

So,

$P(red) = \frac{1}{5}\\\\P(green) = \frac{1}{5}\\\\$

Probability of not blue = 1 - Probability of blue

$= 1 - P(blue)\\\\=1 - \frac{1}{5}\\\\= \frac{4}{5}$

3 0

2 years ago

Adam had 91 dollar. If he spent 21 dollars on new books, what is the ratio of money he still has to money he's spent?

Alik [6]

1. Ratio- 91:21
2. Reduce- the common factor is 7
3. Answer- 13:3

3 0

3 years ago

Read 2 more answers