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3 years ago

The table shows the profit from a school book fair based on the number of books sold.

Mathematics

2 answers:

Rus_ich [418]3 years ago

5 0

Answer:

The Answer is D. $1.50

Virty [35]3 years ago

4 0

Answer:

The answer is 1.50!

Hope I helped! :}

Step-by-step explanation:

Please stay safe during this time of sickness! Have an amazing day/night and stay positive!

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2 years ago

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If you place a 13-foot ladder against the top of a 12-foot building, how many feet will the bottom of the ladder be from the bot

Degger [83]

13^2=12^2+x^2
25=x^2
5=x

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2 years ago

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Which ordered peir is a solution of the equation?

omeli [17]

Answer:

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Step-by-step explanation:

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2 years ago

Part B

stira [4]

<h3>Given:</h3>

Radius of 50 point region= 3 in
Width of other regions= 4 in

The area of the target which earns 30 points on a throw.

<h3>Solution:</h3>

$\huge\boxed{Formula: a= \pi{r}^{2}}$

$4+3$

$=7$

Let's solve

We have to find the answer in terms of π so, we'll just have to multiply the radius by itself.

$a={7}^{2}$

$\large\boxed{a= 49 \pi\: {in}^{2}}$

Hence, the area of the target which earns 30 points on a throw is 49π square inches.

Answer= Option B

7 0

1 year ago

Which of the following is NOT a rational number?

makvit [3.9K]

Answer:

A rational number is a number that can be expressed as a fraction (the ratio of two integers).

Integer: A whole number that can be positive, negative, or zero.

To calculate if each radical can be expressed as a rational number, convert the decimals into rational numbers, then simplify:

$\sqrt{121}=\sqrt{11^2}=11=\dfrac{11}{1} \quad \leftarrow \textsf{rational}$

$\sqrt{12.1}=\sqrt{\dfrac{1210}{100}}=\dfrac{\sqrt{1210}}{\sqrt{100}}=\dfrac{\sqrt{121\cdot 10}}{10}=\dfrac{\sqrt{121}\sqrt{10}}{10}=\dfrac{11\sqrt{10}}{10} \leftarrow \textsf{not rational}$

$\sqrt{1.21}=\sqrt{\dfrac{121}{100}}=\dfrac{\sqrt{121}}{\sqrt{100}}=\dfrac{\sqrt{11^2}}{\sqrt{10^2}}=\dfrac{11}{10} \leftarrow \textsf{rational}$

$\sqrt{0.0121}=\sqrt{\dfrac{121}{10000}}=\dfrac{\sqrt{121}}{\sqrt{10000}}=\dfrac{\sqrt{11^2}}{\sqrt{100^2}}=\dfrac{11}{100} \leftarrow \textsf{rational}$

Therefore, $\sf \sqrt{12.1}$ is not a rational number.

5 0

1 year ago