MATHEMATICS MIDDLE SCHOOL

What is the value of the expression shown below when a=51, b=2, and c=17?

3(a\c)^2

Answers

Answer 1
Answer: First solve the expression inside the parentheses, so (51/17) would be 3. 
Rewrite the expression. 3(3)^2. Then do the exponent. 3^2=9. Then multiply 9 by 3 and you get the answer.27
Answer 2
Answer: To find out the answer just plug in your valuables meaning the unknown number
3 ( 51 / 17 ) ^2
51 / 17 = 3
3 ( 3 ) ^2
  3 * 9 = 27
Final answer is 27

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vanessa drew a figure and said that it had an infinite number of lines of symmetry. what figure did she draw?

Answers

A circle
That's a very easy one cuz if u try u will find it to be correct
The figure is a circle.

If Doris paid $24.30 for 8.1 pounds of Swiss cheese, what was the price of 1pound of Swiss cheese? Do not include $ in your answer.

Answers

It should be 3, I’m not sure

Add or subtract mentally 16.9+ 12.1

Answers

Well, just add or subtract it form the back and work your way to the front, and you have to remember what the digit was.

16.9 + 12.1 = 29
16.9  - 12.1 = 4.8
When you add it mentally you'd get 29
When you subtract it mentally you'd get 4.8

Write an expression using multiplication and addition with the sum of 16

Answers

Lot of answers m8 mine is
2(6+2)
=16
There are many answers for this and this is one of them:
Y = 4(3 + 1)
Y = 16

Points a and b lie on the graph of the equation y=5.2x What r thr y coordinates

Point a (-6,___)

Point b (7,___)

And hey if you have time I have two other probs that I need help on just click on my profile thanks !?!

Answers

Do you have the rest of the equation? If you can find out what (x) is, the rest will be easy. All I can get from it is (y)= 5.2 times the (x) amount

Shirley works 40 hours a week and earns $12 an hour. How much money would she earn in 4 weeks

Answers

Answer:
$1,920

Step-by-step explanation:

We first want to find out how much money she earns in a week which we can find by multiplying 40 by 12. Now we want to multiply 480 by 4. Hence the answer 1920

Answer:

$1920

Step-by-step explanation:

It would be $1920 because if you do 40*12, it would be 480. So that's 480 a week. Since the question is asking for 4 weeks, you would then multiply it by 4, making it $1920.
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