MATHEMATICS MIDDLE SCHOOL

What does r equal in 4r+5=3r

Answers

Answer 1
Answer: 4r+5=3r can also be written
4r=3r-5
1r=-5

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What is 42 out of 50 as a percent

Answers

Answer:
84%

Explanation:
To get a percentage, we will simply multiply the fraction we have by 100.

In the given we want to find 42 out of 50 as a percent.
This means that we want to find (42)/(50) as a percent.

This can be computed as follows:
(42)/(50) as a percent

= ((42)/(50)) * 100

= 84%

Hope this helps :)

Final answer:

42 out of 50 is equivalent to 84 percent. This is found by dividing 42 by 50 to get 0.84, then multiplying that by 100 to convert it to a percentage.

Explanation:

To find the percentage of 42 out of 50, you need to divide 42 by 50 and then multiply the result by 100. Here's the step-by-step process:

  1. Divide 42 by 50. This gives you 0.84.
  2. Multiply 0.84 by 100 (to convert the decimal to a percentage). This gives you 84.

Therefore, 42 out of 50 is the same as 84 percent.

Learn more about Percentage here:

brainly.com/question/32197511

After a discount of 15%, the of a shirt is $51. what was the original price of the shirt?

Answers

Good evening ,

Answer :

$60

Step-by-step explanation:

   p − p×(15/100) = 51

⇔ p(1 - 15/100) = 51

⇔ p×[(100-15)/100] = 51

⇔ p×(85/100) = 51

⇔ 85×p = 100×51

⇔ p = 51×(100÷85) = 5 100÷85 = 60.

:)

Answer:

$58.65

Step-by-step explanation:

change 15% to a decimal than multiply .15 by 51 then add 51.

joey opened a saving account that pays 6.5% simple interest. how much money will be in joeys account after 3 years if he deposited $250 at the beginning and never made any deposits or withdraws?

Answers

I=PRT
Where
P is Price/Principle Amount
R is Rate
T is Time in years
I=250×0.065×3
 =48.75
At the end of 3 years, he will have:
$250+$48.75
=$298.75

The table below shows the amount of rainfall in maryville during each week in April. What was the total amount of rainfall in the amount of April?

Answers

What table i need to see the table pls

Theres no table bru.hhhhhh

Rani bought 9 similar notebooks she gave the cashier $10 and received change of $5.05 what was the cost of 1 notebook

Answers

The answer is $0.55. For you to get the answer first you must subtract 5.05 from 10.00, which is 4.95. Then you divide that with 9. Finally you get 0.55.

Hope that helps you. :)
she paid 4.95 divide this by 9 = 0.55

Roy purchased different cardboard pieces that had the same ratio of the length to the width. The table below shows the length and width of some cardboard pieces Roy bought: Length (inches) Width (inches) 6 5 12 10 18 15 24 20 ? 25 The missing value in the table is ______ inches. Numerical Answers Expected! Answer for Blank 1:

Answers

6 to 5, 12 to 10, 18 to 15, 24 to 20, x to 25

Let's take a look at x/25 ratio, which has to be equal 6/5.

(x)/(25)= (6)/(5) \n 25*6=5x\n 5x=150\n x=30

The answer is 30 inches.

Answer: 30 inches

Step-by-step explanation: First you figure what its going by then you wanna add the number that its going to the last number on the left then you get 30 its going by 6 so 24 + 6 = 30 so your answer is 30

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