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3 years ago

An inflatable pool has sprung a leak. You place a 12-ounce cup under the leak and find that it fills

Mathematics

1 answer:

gladu [14]3 years ago

8 0

Answer:

6.75 gallons lost in 1 hour.

Step-by-step explanation:

1 US gallon = 128 ounces.

12 ounces takes 50 seconds.

x ounces takes 3600 seconds (which is 1 hour) Cross multiply

12 * 3600 = 50 x

43200 = 50 x Divide by 50

43200 / 50 = x

864 oz = x

So in 1 hour 864 ounces were lost.

Now there are 128 ounces in a gallon

1 gallon /128 ounces = x / 864 Cross multiply

864 * 1 / 128 = x

6.75 = x

There are 6.75 gallons in 1 hour

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Combine like terms to create an equivalent expression. 7.4z−5(−1.6z+2.4)

ryzh [129]

Answer: $15.4z-12$

Step-by-step explanation:

For this exercise it is important to remember:

The Distributive property:

$a(b\±c)=ab\±ac$

The multiplication of signs:

$(+)(+)=+\\\\(-)(-)=+\\\\(-)(+)=-$

Then, given the following expression:

$7.4z−5(-1.6z+2.4)$

You need to apply the Distributive property. Then:

$=7.4z+8z-12$

Now you can combine like terms (or add the like terms). Then you get:

$=15.4z-12$

Therefore, the equivalent expression created by combining like terms, is:

$15.4z-12$

6 0

3 years ago

caroline bought 6 pieces of gold ribbon. each piece was 3/5 of a yard long. How many yards of ribbon did she buy in all?

Zarrin [17]

Answer:

= 3 3/5 yards

Step-by-step explanation:

If 1 piece = 3/5 yard

What about 6 pieces = ?

= (6 x 3/5) ÷ 1

= 18/5 ÷ 1

= 18/5

= 3 3/5 yards

5 0

3 years ago

2(3+4y)=46<br> please help asap

sleet_krkn [62]

Answer:

y=5

Step-by-step explanation:

esa es la respuesta

3 0

3 years ago

Read 2 more answers

Help With A Question

blondinia [14]

The anwser is 5.05 cm hahahahahahahahahahahahah

4 0

3 years ago

A class has fewer than 30 students exactly 2/3of the student's in the class own a football exactly 7/8 of the students in the cl

skelet666 [1.2K]

This number would be 24. So 21 own football boots, 16 own a football and there are 24 children in the class. not good at math so yeah

5 0

3 years ago