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Gala2k [10]
3 years ago
12

Christine purchased a prepaid phone card for $20. Long distance calls cost 18 cents a minute using this card. Christine used her

card only once to make a long distance call. If the remaining credit on her card is $15.68, how many minutes did her call last?
Mathematics
1 answer:
Luda [366]3 years ago
6 0

Answer:

4 minutes and 32 seconds

Step-by-step explanation:

card $20.00-money left over $15.68            $20.00-$15.68  4.32

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The dimensions of a gymnastic floor are 40 ft by 40 ft. the performance floor is 1 ft less, or 39 ft, per side.
Mashutka [201]

Answer:

the square root of 3200

Step-by-step explanation:

I'm not sure if this is right, because the format of the question wasn't clear, but it sounded like we have to find the diagonal distance of the room from one corner to the opposite. If the sides are 40ft long on both sides, we can use the Pythagorean Theorem to solve this:

40^2+40^2=c^2

1600+1600=c^2

3200=c^2

c=sqrt(3200)

or about 56.5

4 0
2 years ago
Help please I’m a little confused
Anestetic [448]

Answer:

answer is a . x²-8x+16=32

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3 0
2 years ago
Rosie wants to make a cube with rectangular blocks each measuring 6cm by 3cm by 8cm. Find the least number of blocks she must us
Marysya12 [62]
Hello,

lower commun multiple(3,6,8)=24 (blocks)
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4 0
3 years ago
Find the midpoint of the segment between the points (17,−11) and (−14,−16)
Viefleur [7K]

Answer:

(1.5, -13.5)

Step-by-step explanation:

Midpoint Formula: (\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )

Simply plug in our coordinates into the formula:

x = (17 - 14)/2

x = 3/2

y = (-11 - 16)/2

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4 0
3 years ago
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4 / 7 + −1 / 3 <br> HELP PLAESEEEEE
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Answer:

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Step-by-step explanation:

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