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Kipish [7]
3 years ago
11

Find 1/9 as many as 2+6

Mathematics
1 answer:
irinina [24]3 years ago
8 0
4.111111111111111111111...
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Caroline has some dimes and some quarters. She has a maximum of 15 coins worth at least $2.85 combined. If Caroline has 3 dimes,
gayaneshka [121]

Answer:

11, 12.

Step-by-step explanation:

Let q represent number of quarters.

We have been given that Caroline has a maximum of 15 coins worth at least $2.85 combined. We are also told that Caroline has 3 dimes. This means that total coins are less than or equal to 15.

We can represent this information in an inequality as:

q+3\leq 15...(1)

We are also told that the coins worth at least $2.85 combined. This means that the worth of all coins is greater than or equal to 2.85.

We know that each dime is worth $0.10 and each quarter is worth $0.25.

0.25q+3(0.10)\geq 2.85...(2)

Now, let us solve our system of inequalities.

From 1st inequality, we will get:

q+3-3\leq 15-3

q\leq 12

From 2nd inequality, we will get:

0.25q+0.30\geq 2.85

0.25q+0.30-0.30\geq 2.85-0.30

0.25q\geq 2.55

\frac{0.25q}{0.25}\geq \frac{2.55}{0.25}

q\geq 10.2

Upon combining our both inequalities, we will get:

10.2\leq q\leq 12

This means that numbers of quarters would be greater than or equal to 10.2 and less than or equal to 12.

Since we cannot have 0.2 of a coin, therefore, Caroline could have 11 or 12 quarters.

6 0
3 years ago
Find the missing number 390x__=390,000<br> Answers<br> A 10^2<br> B 10^3<br> C 10^4<br> D 10^5
exis [7]

Answer:

B. 10 to the third power

8 0
3 years ago
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5 gallons 11 quarts divided by 5
bekas [8.4K]
1.55 us gallons.
hope i could help!
Thunderclan89
8 0
3 years ago
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Zach is 15 in a half years old. this is 3 years younger than his brother hunter. how old is hunter?
dlinn [17]

Answer:

18 1/2 years old

Step-by-step explanation:

x-3= 15 1/2

x= 15 1/2 + 3

x= 18 1/2

Hunter is 18 1/2 years old.

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3 years ago
Please help!!! Which equation represents the proportional relationship?
Zinaida [17]

Answer:

d

Step-by-step explanation:

7 0
3 years ago
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