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ANEK [815]
3 years ago
11

Alexa has some dimes and some quarters. She has a minimum of 28 coins worth a maximum of $5.05 combined. If Alexa has 17 quarter

s, determine all possible values for the number of dimes that she could have. Your answer should be a comma separated list of values. If there are no possible solutions, submit an empty answer.
Mathematics
2 answers:
vazorg [7]3 years ago
7 0

Answer:

if she has 17 quarters, the money of it would be $4.25.

$5.05 - 4.25$ = $0.80

=> 8 dimes

=> she have 17 quarters and 8 dimes

Step-by-step explanation:

Tanya [424]3 years ago
3 0

Answer: There is no solution

Step-by-step explanation:

just had that question

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What temperature is 15 degrees lower than 7degrees
BabaBlast [244]
15 degrees lower than 7 degrees means that we have to subtract.

So we have 7 degrees and it wants 15 degrees lower, so we would do 7 - 15

And so 7-15 = -8

So 15 degrees lower than 7 degrees would be -8 degrees. :)

8 0
3 years ago
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Chris has $170.00. Candies cost $8.50 each. How many candies can Chris buy? $<br> Blank
Yuki888 [10]

Answer:

20

Step-by-step explanation:

170/8.5

8 0
3 years ago
a boat travels 252 miles in 13 hours (with a constant speed) How much time will it take traveling 279 miles?
Ilya [14]

Answer: 14.4 h

The speed is : v=\frac{d}{t} =\frac{252}{13} =19.46 miles/h\\

The time it takes to travel 279 miles :

t'=\frac{d}{v} =\frac{279}{19.46} =14.4 hours

4 0
3 years ago
An office manager needs to decide between two tables for the conference room. One is rectangular, 5 feet wide by 10 feet long. T
zvonat [6]
Radius of circle= 4

a) circle circumference=2(pi)r
circumference=2(pi)4=25.13

P=2W+2L
p=2(5)+2(10)
P=30

b) area of circle=pi(r^2)=pi(16)=50.27
area of rectangle=L×W= 5×10= 50

c) I think you can figure it put
5 0
3 years ago
Sum of 7 7/8 + 2 11/12
dlinn [17]
Solutions 

1) <span>Add the whole numbers first ( 7 and 2 )

</span><span>9+<span>7/8</span>+<span>11/12

2) </span></span>Find the Least Common Denominator (LCD) of 

<span><span>7 / 8</span>,<span>11 / 12
</span></span>
Start by Listing Multiples

List out all multiples of each denominator, and find the first common one.

8 : <span><span>8,16,24</span>
</span>
12 : <span>12,24
</span>
Therefore, the LCD is <span>24 

</span>Method 2: By Prime Factors

List all prime factors of each denominator, and find the union of these primes.

8 : <span>2,2,2
</span>
12 : <span>2,2,3
</span>
Therefore, the LCD is <span>2×2×2×3=24

3) </span>Make the denominators the same as the LCD

<span>9+<span><span>7×3 / </span><span>8×3</span></span>+<span><span>11×2 / </span><span>12×2

</span></span></span>4) Simplify. Denominators are now the same

<span>9+<span>21 / 24</span>+<span>22 / 24

5) J</span></span>oin the denominators

<span>9+<span><span>21+22 / </span>24</span></span>
6) Simplify

<span>9+<span>43 / 24

7) </span></span>Convert 43 / 24 <span>to mixed fraction

</span><span>9+1 <span>19 / 24

8) </span></span>Simplify

<span><span>10 <span>19 / 24</span></span></span>
4 0
3 years ago
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