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Novay_Z [31]
2 years ago
13

21 = r -5 = HOW DO WE SLOVE THIS

Mathematics
2 answers:
amid [387]2 years ago
8 0

Answer:

R = 26.

Step-by-step explanation:

The way to solve this is to add 5 to both sides.

IrinaVladis [17]2 years ago
5 0

r=4.2

It may show subtraction but it is division, 21÷5=4.2

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Solve Expression <br><br> 12(3+5x)+1/4(16x-8)
Lynna [10]

Answer:

56x + 34

Step-by-step explanation:

12(3 + 5x) + 1/4(16x - 8)

First, use the distributive property. You will get:

(12)(3) + (12)(5x) + (1/4)(16x) - (1/4)(8)

Next, multiply the numbers. You will then have:

36 + 60x + 4x - 2

Now, rearrange the numbers. The variables go in the front. This is what it should look like:

60x + 4x + 36 - 2

Add 60x and 4x, then subtract 36 and 2. This is your answer:

56x + 34

4 0
3 years ago
Hannah is at an arcade where each game requires her to use 2 tokens. She buys 40 tokens to begin. Let n be the number of games H
Alenkasestr [34]

Answer:

n = 12, she has played 12 games

Step-by-step explanation:

40 = 16 + 2n

24 = 2n

24/2 = n

n = 12

6 0
4 years ago
25:
MAVERICK [17]

Answer:

Pepe weighs 4600 grams.

Step-by-step explanation:

5.4 kilograms converted into grams is 5400 grams. Since Pepe is 800 grams lighter it would be 5400 - 800 which equals 4600 grams.

5.4 kilograms = 5400 grams

5400 - 800 = 4600

Hope this helps!!

Have an awesome day!!

5 0
3 years ago
An investment of $6,599.20 earns 4.2% interest compounded monthly over 7 years. Approximately how much interest is earned on the
dmitriy555 [2]
Fv=6599.20(1+0.042/12)^12*7
Fv=8850.20
Interest earned=8850.20-6599.20
=2,251
So the answer is a
4 0
3 years ago
Read 2 more answers
Bianca walked
Leviafan [203]

Answer: The  speed of the turtle can be found by dividing distance by time.

Michelle is the fastest turtle.

The fastest turtle is 6cm per minute

First turtle walks 3cm a minute

Second turtle walks 6cm a minute

Third turtle also walks 3cm a minute

8 0
3 years ago
Read 2 more answers
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