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s344n2d4d5 [400]
3 years ago
13

Which of the following numbers is prime? 133 143 153 163

Mathematics
1 answer:
Elina [12.6K]3 years ago
4 0
133 is dividable by 7 to get 19 
143 is dividable by 11 to get 13
153 is dividable by 3 to get 51
so the only number left is 163

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Answer:

b.

Step-by-step explanation:

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3 years ago
9(5x + 1) ÷ 3y
alexdok [17]

The expression obtained after solving the given expression is,\rm \frac{(15x+3)}{y}

<h3>What is a BODMAS rule?</h3>

For the Bracket, Order, Division, Multiplication, Addition, and Subtraction rules, BODMAS stands for Bracket, Order, Division, Multiplication, Addition, and Subtraction.

Given expression ;

9(5x + 1) ÷ 3y

Follow the BODMAS rule;

Step 1; Divide

\rm \frac{9(5x+1)}{3y} \\\\ \frac{3(5x+1)}{y} \\\\

Step 2; Multiply

\rm \frac{9(5x+1)}{3y} \\\\ \frac{(15x+3)}{y} \\\\

Hence the expression obtained after solving the given expression is,\rm \frac{(15x+3)}{y}

To learn more about the BODMAS rule, refer to brainly.com/question/23827397.

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4 0
2 years ago
How do I solve this literal equation? <br> 15 points
kati45 [8]

Answer:

\pi = \frac{A}{2r^2 + 2rh}

Step-by-step explanation:

First, we need to isolate \pi by taking it common from both terms on the right:

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Now, since we want \pi in terms of the other variables, we can divide the left hand side (A) by whatever is multiplied with \pi on the right hand side. Then we will have an expression for \pi. Shown below:

A=\pi (2r^2 + 2rh)\\\pi = \frac{A}{2r^2 + 2rh}

This is the xpression for \pi

7 0
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3 0
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Answer:

a)False: In a sample of 100 men who are heavy smokers, exactly 24 of them will contract lung cancer.

b)True: In a sample of 100 men who are heavy smokers, the number who will contract lung cancer is likely to be close to 24.

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