4% of 200 7 graders= 8, so 8 are expected to move by the end of the year. but if 12 students actually moved instead, there was 4 more moves than we expected. I hope this helped..!

4 0

3 years ago

Rewrite each expression using each base only once<br> 5^4*5^-6*5

erastovalidia [21]

5^4 * 5^(-6) * 5

= 5^4 * 5^(-6) * 5^1

= 5^[ 4 + (-6) + 1 ]

= 5^[ 4 - 6 + 1 ]

= 5^(-1) <----- this is the answer.

I hope this helps. =)

7 0

3 years ago

Danny has 1.08 pounds of cat food. he uses 0.12 pound of cat food to feed one cat. how many cats can danny feed with the cat foo

Ede4ka [16]

Answer:

Step-by-step explanation:

1.08 divided by 0.12 equals 9

6 0

2 years ago

A certain type of brass contains 65% copper. How many pounds of copper are contained in 120 pounds of the brass?

soldier1979 [14.2K]

The amount of cooper that are contained in 120 pounds of the brass is equal to 78 pounds.

Let the amount of copper be C.

<u>Given the following data:</u>

Quantity of brass = 120 pounds

Percentage of copper = 65%

To calculate the amount of cooper that are contained in 120 pounds of the brass:

In this this exercise, you're required to determined how many pounds of copper can be found in 120 pounds of the brass. Thus, we would solve for the percentage of copper contained in this type of brass.

$Copper = \frac{65}{100} \times 120\\\\Copper = 0.65 \times 120$

Copper, C = 78 pounds

5 0

2 years ago