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3 years ago

If the ribbon cost $0.10 per foot what is the total cost of the ribbon in dollars

1 answer:

5 0

$0.20 Because since one ribbon for one foot equals $0.10 (10 cents), you have two feet so you would have to multiply or add $0.10 and $0.10 by multiplying, you would have to multiply 10 two times which would give you 20. To add you would add 10 plus 10 and you would get yet again 30. After that you just put the form as cents which would be $0.20 :)

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A cyclist rode 3.75 miles in 0.3 hours.

Archy [21]

Answer:

A. 12.5 miles per hour B. 0.36 hours

Step-by-step explanation:

3.75/.30=12.5 , so divide 3.75 by the time 0.30 hours and you get your miles per hour

next, take 4.5 and divide by the new mph 12.5 from your previous answer.

4.5/12.5=0.36 hours

4 0

3 years ago

Please look at the picture

arlik [135]

Answer:

1.5

Step-by-step explanation:

Vertical angles are congruent so:

7x=8x-12

Subtract 7x from both sides:

0=8x-12

Add 12 to both sides:

8x=12

Divide both sides by 8:

x=1.5 or

x= 3/2

7 0

3 years ago

What is the value of<br> 3 to the power of 2 under 3 to the power of 4

garri49 [273]

Answer: 9/81

Step-by-step explanation:

I did 3 to the second power then 3 to the fourth power. Then put them on top of each other. If the over is supposed to mean division then the answer would be 9.

6 0

3 years ago

2. Twenty-four fourth graders are going on a field trip to the Academy of Science. They need to form 3 groups of students for th

Tatiana [17]

Answer:

8persons/group

Step-by-step explanation:

Give parameters:

Number fourth graders = 24

Number of groups = 3 groups

Unknown:

Number of students in each group = ?

Solution:

Solving this problem involves finding the number of persons per group.

Number of persons per group = $\frac{number of fourth graders}{number of groups}$

Insert the parameters and solve;

Number of persons per group = $\frac{24}{3}$ = 8persons/group

7 0

2 years ago

Are these equations equivalent? <br> 3 (x+4) = 12 and 3 (x+1) = 4

N76 [4]

Answer:

Step-by-step explanation:

You can simplify them both.

3x+12=12 and 3x + 3 =4

make them both so they equal 0

3x=0 and 3x-1=0

no, theyre not equal since when they both equal 0, they are not the same equation

8 0

3 years ago