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3 years ago

14

Please help what values could work for x in this interval? Will give Brainlyist if right!

1 answer:

emmasim [6.3K]3 years ago

3 0

Answer:

x=1

Step-by-step explanation:

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James is 8 years old. Last year, his father was 4 times as old as he was. In how many years' time will their combined age be 51?

Snowcat [4.5K]

Last year He was 7 years old.

His father is 4 times the age 7 x 4 = 28

Last year his dad was 28, so this year he is 29.

Combined age this year = 29 + 8 = 37

51 - 37 = 14 years

14/ 2 people = 7 years

8 + 7 = 15

29 + 7 = 36

15 + 36 = 51

It will take 7 years.

7 0

3 years ago

SOMEONW GIVE ME STEP BY STEP EQUATION I NEED TO SUBMIT THIS TONIGHT

8090 [49]

Answer:

no answer. Because 8-4 is not equal to 12

Step-by-step explanation:

8 0

3 years ago

Which pair shows equivalent expressions?

Dmitry_Shevchenko [17]

Which pair shows equivalent expressions?

A.2(2/5x + 2)=2 2/5x + 1

B.2(2/5x + 2)=4/5x + 4

C.2(2/5x + 4)=4/5x + 2

D.2(2/5x + 4)=2 2/5x + 8

Solution:

$2(\frac{2}{5}x + 2)$

Let us distribute 2 inside the parenthesis.

That is, we use distributive property:

a(b+c)=ab+ac

$2(\frac{2}{5}x + 2) =\frac{2*2}{5}x+2*2$

So, $2(\frac{2}{5}x + 2) =\frac{4}{5}x+4$

Answer:Option (b)

$2(\frac{2}{5}x+4)$

Applying distributive property, a(b+c)=ab+ac

$2(\frac{2}{5}x+4) =2*\frac{2}{5} x+2*4$

$2(\frac{2}{5}x+4) =\frac{2*2}{5} x+2*4$

$2(\frac{2}{5}x+4) =\frac{4}{5} x+8$

So, Option (B) is correct.

8 0

3 years ago

Read 2 more answers

Hi! i need help<br> (It is due in a few hours)

wel

Answer:

A and A is the answer. so this is the answer

7 0

3 years ago

Read 2 more answers

Determine the value of y when x=15 if y=6 when x =30

Vladimir79 [104]

6+9=15
y+9=x
x=30
y+9=30
y=21

6 0

3 years ago