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Naya [18.7K]
2 years ago
5

The school track is 7/8 mile in length. Sherri ran 2/3 mile. How much

Mathematics
1 answer:
Kisachek [45]2 years ago
3 0

Answer:5/24 miles

Step-by-step explanation:

7/8 - 2/3 =21/24 - 16/24

              =5/24

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Use the discriminat to describe the roots of each equation. Then select the best description 16x^2+8x+1=0
astra-53 [7]

Answer:

A

Step-by-step explanation:

Discriminant= 8^2-4(16)(1)

=0

7 0
3 years ago
How much heat is released when 12. 0 grams of helium gas condense at 2. 17 K? The latent heat of vaporization of helium is 21 J/
aleksandr82 [10.1K]

The amount of heat released when 12.0g of helium gas condense at 2.17 K is; -250 J

The latent heat of vapourization of a substance is the amount of heat required to effect a change of state of the substance from liquid to gaseous state.

However, since we are required to determine heat released when the helium gas condenses.

The heat of condensation per gram is; -21 J/g.

Therefore, for 12grams, the heat of condensation released is; 12 × -21 = -252 J.

Approximately, -250J.

Read more on latent heat:

brainly.com/question/19863536

7 0
2 years ago
According to the 2000 Census the population of Canton was 7,720. Holly Spring's population was 3,200. Canton's population increa
qwelly [4]
Canton: 7,720 and increases at a rate of 80 people per year.
Holly Spring: 3,200 and increases at rate of 120 people per year.

Let x be the number of years.

Canton = 7,720 + 80x
Holly Spring = 3,200 + 120x

7,720 + 80x = 3,200 + 120x
80x - 120x = 3,200 - 7720
-40x = -4520
x = -4520 / -40
x = 113

It would take 113 years before the populations are equal.

7,720 + 80x = 3,200 + 120x
7,720 + 80(113) = 3,200 + 120(113)
7,720 + 9,040 = 3,200 + 13,560
16,760 = 16,760
5 0
3 years ago
Read 2 more answers
Eric wants to purchase a new car. Why is important to Eric to establish a positive credit history?
OverLord2011 [107]
A credit history shows how well you pay back debt. So a positive one allows the bank to consider you a good risk to give money to
6 0
3 years ago
Which graph represents the solution?​
marusya05 [52]

Answer:

A

Step-by-step explanation:

Given the inequality :

v + 4 > 2 and 8v - 20 < 36

v + 4 > 2

v > 2 - 4

V > - 2

8v - 20 < 36

8v < 36 + 20

8v < 56

v < 56/8

v < 7

Hence,

v > - 2 and v < 7

-2 < v < 7

7 0
2 years ago
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