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attashe74 [19]
2 years ago
11

What does one third equal

Mathematics
1 answer:
monitta2 years ago
5 0
Divide \frac{1}{3}. 1÷3=0.33333333333333 \frac{1}{3} equals 0.333333333333333
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If x=9 and y=−3, evaluate the following expression:4/x−yGive your answer as a fraction in its simplest form.​
qwelly [4]
Answer:1/3
4/9-(-3)=4/12=
1/3
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2 years ago
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A large glass marble made in West Virginia has a diameter of zuset meters. The state of West Virginia is about 4-5 meters la len
Marizza181 [45]
Uh B i think
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2 years ago
Twelve cupcakes cost $14.25. What is the price per cupcake? Round to the nearest cent.
DiKsa [7]

Answer:

$1.19

Step-by-step explanation:

14.25/12=1.19

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2 years ago
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the gasoline gauge on a van initially read 1/8 full. When 15 gallons were added to the tank the gauge read 3/4 full. How many mo
Nostrana [21]
So 15 gallons of gas brought it from 1/8 full to 3/4 full.

Let's change 3/4 to the equivalent fraction 6/8  so that the denominators are the same.    (3/4 = 6/8)

So 15 gallons of gas brought it from 1/8 to 6/8   Those 15 gallons must be 5/8 of the tank's capacity   6/8 - 1/8 = 5/8

So 15 is 5/8 of what number?  (This will tell us the capacity of the whole tank)

15 = 5/8n
Divide both sides by 5/8 (remembering to multiply by the reciprocal 8/5)
15 ÷ 5/8  = 15 x  8/5  = 18

So the tank holds 24 gallons and (since it is 3/4 full or has 18 gallons) it needs 6 gallons to fill the tank.

Check - at first  1/8 full (1/8 of 24 = 3)  So we started with 3 gallons. 15 gallons added to the 3 gallons is 18 gallons.  Now the tank is 6/8 (3/4 full).  The remaining 1/4 (2/8) of a tank is the difference between 18 and it's capacity (24 gallons)  so it will need 6 gallons to fill it up..

3 0
2 years ago
Heidi has an average score of 78 for her first six chemistry tests. If Heidi"s scores for the first four tests were 82,78,87, an
elixir [45]

Answer:

(A)74

Explanation:

Let her average score on the last two tests = x.

The six scores will now be: 82,78,87,73, x and x.

Since the average score for her first six chemistry tests = 78

\frac{82+78+87+73+x+x}{6}=78

We then solve for x.

\begin{gathered} 320+2x=78\times6 \\ 320+2x=468 \\ 2x=468-320 \\ 2x=148 \\ x=\frac{148}{2} \\ x=74 \end{gathered}

Her average score for the last two tests is 74.

3 0
1 year ago
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