Simplify. [6.6 ÷ (–5 + 3)] • (–1)

Answers

Answer 1

Answer: Hi there, we use PEMDAS to solve this problem, PEMDAS is parenthesis, Exponents, Multiply, Divide, Add, and Subtract. In this case, we have [6.6÷(-5+3)]*(-1), 6.6/-5+3(-1)=6.6/-2(-1)=(-3.3)(-1)=3.3. So, your answer is 3.3

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If 25% of a number is 20, what is 60% of the number

Answers

The 60% of the number is 48.

What is Percentage ?

A percentage is a quantity or ratio expressed as a fraction of one hundred. It's sign is % .

It is given in the question that

if 25% of a number is 20, what is 60% of the number

Let the number be x

Making the expression from the given quation

(25/100) *x = 20

x = 20 * 100 / 25

x = 80

Therefore the number is 80

Then 60% of the number is

(60/100)*80

Therefore the 60% of the number is 48.

To know more about Percentage

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Set up a proportion, 20 over 25% and x over 60% and the answer is 48

The relationship between the number of 12$ DVDs you by and the total cost

Answers

Answer:

C = 12n

Step-by-step explanation:

Let C = the total cost

and n = the number of DVDs

Then

C = 12n

What is 143 divided by 11

Answers

143 ÷ 11 =
13

Hope I Helped!!!

143÷11=13

-RainyClouds

Casey likes to run she runs an additional 1/4 mile each day. On the last day she ran 1 1/4 miles if she ran 1/2 mile on her first day for how many days has she been running

Answers

She ran for 10 days.
1/2 + 1/4 = 3/4 -->2nd day
4/4 -->3rd
5/4 -->4th
6/4 -->5th
7/4 -->6th
8/4 -->7th
9/4 -->8th
10/4 -->9th
11/4 -->10th

it will have to taker her 10 days to run

A group of 10 friends had lunch together at a restaurant. The meal cost a total of $99.50, including a 15% tip. How much was the total bill for lunch before the tip?

Answers

Cost of meal before tip + 15% = $99.50

Adding 15% is equal to multiplying by 1.15

Cost of meal before tip x 1.15 = 99.5

This can be rearranged to give;

Cost of meal before tip = $(99.5)/(1.15)$

Cost of meal before tip = $86.52

each meal was $9.95 a peice aND EACH HAD TO pay $1.50 on the tip

Bc=11x+888, AB=53, and AC=5x+473. FIND BC

CAN SOMEBODY HELP ME WITH THIS PROBLEM??

Answers

Equal
$5x + 473$
To both parts AB and BC, so add those together:
53 + 11x + 888. That totals to 11x + 941. Find x like this: 5x + 473 = 11x + 941. Once you have, insert x into the formula for BC to find it

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