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3 years ago

5

shane wants to figure out what grade he is getting in math. His test scores were 85.6 ,78.5 ,92.5 ,67 and 83.7. What was his ave

rage test score? What grade will he receive?

2 answers:

allsm [11]3 years ago

6 0

Average is 81.46% grade will be b

Zigmanuir [339]3 years ago

5 0

The average test score his 81.46.the grade he will receive would be 81 %.

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2 years ago

The diameter of a circle is 16 kilometers. Find the area of the circle.

Elden [556K]

The diameter of a circle is 16 kilometers. Then the area of the circle is $201.062 \mathrm{km}^{2}$

<u>Solution:</u>

Given that , the diameter of a circle is 16 kilometers

We have to find the area of the circle .

Radius is half of diameter.

$\begin{array}{l}{\text { diameter }=2 \times \text { radius } \rightarrow \text { radius }=\frac{\text {diameter}}{2}} \\\\ {\rightarrow \text { radius }=\frac{16}{2} \rightarrow \text { radius }=8 \text { kilometers. }}\end{array}$

<em><u>The area of circle is given as:</u></em>

$\begin{array}{l}{\text { area of a circle }=\pi \times r^2 \\ {\text { Area of a circle }=\pi \times 8^{2}=\pi \times 64=64 \times 3.14=201.062}\end{array}$

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3 years ago

What is the value of d in 3/4(8x-6)-2=1/2-x

Salsk061 [2.6K]

Answer: 32/35

Step-by-step explanation:

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2 years ago

Place the correct coefficients<br> x²y³ +<br> in the difference.<br> xy² +<br> y

antiseptic1488 [7]

The difference between the two polynomials is 11x²3y³ - 4xy².

<h3>What is the Difference between the Polynomials?</h3>

The difference between two polynomials is the result you get by subtracting one from the other.

Thus:

= (4x²2y³ + 2xy² – 2y) – (–7x²y³ + 6xy² – 2y)

= 4x²2y³ + 2xy² – 2y + 7x²y³ - 6xy² + 2y

= 11x²3y³ - 4xy²

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2 years ago

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Alexus [3.1K]

Answer:32

Step-by-step explanation:

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3 years ago

Read 2 more answers