MATHEMATICS MIDDLE SCHOOL

A fraction bar. The top bar is labeled 1. 4 bars underneath the bar are labeled one-fourth. 5 bars underneath the 4 bars are labeled one-fifth. 20 bars underneath the 5 bars are labeled StartFraction 1 Over 20 EndFraction.Divide: Three-fourths divided by two-fifths

2 and one-fifth

3 and three-fourths

2 and three-fifths

1 and StartFraction 7 Over 8 EndFraction

I need two answers to mark brainlist

Answers

Answer 1
Answer:

Answer:

15/8

Step-by-step explanation:

(3/4)/(2/5)

=3/4 x 5/2

=15/8

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What is 8(1/4x-3)+24<4(x+5)

Misha has a board that is 17 1/2 inches long that he has to into 3 equal pieces.How long should each piece be?

Answers

3 is written as 3/1 so:
(17 1/2)/(3/1)
(34/2)/(3/1)
34/2*1/3
34/6
17/3
5 2/3 inches.

Hope this helps :)
17.5 (Or 1/2) divided by 3 = 5.833333333, or just 5.8. So each piece would be 5 4/5 in long.

Sorry if it's a little confusing. Hope it helped! :)

Wesley and Mia deposit $800.00 into a savings account which earns 15% interest compounded annually. They want to use the money in the account to go on a trip in 2 years. How much will they be able to spend?where A is the balance (final amount), P is the principal (starting amount), r is the interest rate expressed as a decimal, n is the number of times per year that the interest is compounded, and t is the time in years.
Round your answer to the nearest cent.

Answers

Answer:

1,058

Step-by-step explanation:

Interest= 800(.15)= 120 1 yr interest

A= 800 + 120= 920 on the 1st year

920 (.15)= 138 int. on the 2nd year

Therefore, 920+ 138= 1,058 final amount after 2 yrs.

How do you the distributive property to write an equivalent expression for 2(9+5k).

Answers

2 ( 9 + 5 K ) :

2*9 + 2 * 5 k

= 18 + 10 k

hope this help!!
2(9) + 2(5k)
18 + 10k

8. Albert's father is 24 years older than Albert is. In 8 years, his father will be twice as old as Albert. How old is Albert now? How old is his father?

Answers

Albert´s ftather age=x
Albert age=y

We suggest this system of equations:
y=x-24
x+8=2(y+8)

we solve this system of equation by substitution method.

x+8=2[(x-24)+8]
x+8=2(x-16)
x+8=2x-32
x-2x=-32-8
-x=-40
x=40

y=x-24
y=40-24
y=16

Answer: Albert´s father is 40 years old, and Albert is 16 years old.

What whole number comes right before 110.

Answers

The whole number that comes right before 110 is 109

Answer: 109

Step-by-step explanation:

What is the express the value of 530, 000, 000 - 442, 000, 000 in scientific notation?

Answers

Answer: 8.8 × 10^7

Step-by-step explanation:

530,000,000-442,000,000=88000000=8.8 × 10^7
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