MATHEMATICS MIDDLE SCHOOL

What is the square root of 81

Answers

Answer 1
Answer: 9 is the square root of 81

final answer: 9
Answer 2
Answer: 9 is the square foot 9x9=81

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you have a coupon for an additional 25% off the price of any sale item at store. the store has put a robotics kit on sale for 15% off the original price of $40. what is the price of the robotics kits after both discounts?

Answers

The price of the robotics kits after both discounts is $25.5

What is a discount price?

The price at which something is sold, after reducing some amount from the regular price, is called discount price.

Given that, you have a coupon for an additional 25% off the price of any sale item at the store. the store has put a robotics kit on sale for 15% off the original price of $40.

Here, two discounts are given, at 25% and at 15%

Therefore, the selling price (price after the discounts) = 40x(100-25)/100x(100-15)/100

= 40x75/100x85/100

= 51/2

= 25.5

Hence, the price after the discounts is $25.5

For more references on discount price, click;

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Firstly we need to count how much is 15% from $40:

40 * 15% =
= 40 * 15/100 =
= 40 * 3/20 =
= 2 * 3/1 =
= 2 * 3 =
= 6 [dollars]

So the kit costed $40 - $6 = $34 after the first general discount. Now the question is if the coupon relates to the original price or to the lowered price. We'll do both:

If it relates to the original price, we need to find how much is 25% of $40. We can do it in mind - it's $10. So with two discounts the price would be $40 - $6 - $10 = $24.

However, if it relates to the lowered price, we need to find how much is 25% from $34:

34 * 25% =
= 34 * 25/100 =
= 34 * 1/4 =
= 8.5 [dollars]

So the final price in such a situation would be $40 - $6 - $8.5 = $25.5.

Simplify -3f+0.4j-12-1+2.9f

Answers

Answer: -0.1f+0.4j-13

Step-by-step explanation:

=-3f+2.9f+0.4j-12-1

=-0.1f+0.4j-12-1

=-0.1f+0.4j-13

How do you simplify 6(x-2)+7(x+2)

Answers

6x-12+7x+14
13x+2 

Not sure if this is right?
6(x-2)+7(x+2)
Distribute
6x-12+7x+14
Combine like terms
13x+2 

There are 8 volunteers at the telethon. The goal for the evening is to raise $952. If each volunteer raises the same amount, what is the minimum amount each needs to raise to meet the goal

Answers

You have to divide 8 by 952 .952 รท 8= 119. 119 is your answer
You have to divide the money by the volunteers. 952/8=119

Selma has 77 strawberries. Divide them into two groups so that for every 4 strawberries in group 1 there are 7 strawberries in group 2 how did you break it down

Answers

4x+7x=77
11x=77
77/11
x=7

Which of the following statements about cartography and the creation of maps is false?A.
Every map projection shows distances and shapes accurately.
B.
Geographers use different kinds of maps, depending on the subject they are studying.
C.
Different map projections offer varying perspectives.
D.
Cartographers are geographers who specialize in designing maps.

Answers

Answer:

C

Step-by-step explanation:
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