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zepelin [54]
3 years ago
6

3 boys share some oranges. the first boy received 1/5 of the oranges. the 2nd received 2/5 of the reaminder. the third boy recei

ved 72 oranges. how many iranges did they start with
Mathematics
1 answer:
Brums [2.3K]3 years ago
3 0

Answer:

180

Step-by-step explanation:

1 - ⅕ - ⅖ = ⅖

Third boy received ⅖ of the oranges, which are 72

⅖ : 72

1 : X

X = 72 ÷ ⅖ = 180

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OLEGan [10]

Answer:

394.67 minutes (or about 6.58 hours)

Step-by-step explanation:

<u>For 145.8 feet long fence:</u>

At a rate of 2.25 feet per minute, its gonna take him

\frac{145.8}{2.25}=64.8  minutes to pain

Also

At a rate of 0.75 feet per minute, its gonna take him

\frac{145.8}{0.75}=194.4  minutes to stain

<u>For 76.2 feet long fence:</u>

At a rate of 2.25 feet per minute, its going to take him

\frac{76.2}{2.25}=33.87  minutes to pain

At a rate of 0.75 feet per minute, its gonna take him

\frac{76.2}{0.75}=101.6  minutes to stain

In total, it's gonna take him:

64.8 + 194.4 + 33.87 + 101.6 = 394.67 minutes

In hours, that is 394.67/60 = 6.58 hours

4 0
3 years ago
True or False: Surface area is the combined area for all of the surfaces of a 3D shape.
Lena [83]

Answer:

A.

Step-by-step explanation:

It's false

8 0
3 years ago
I need help with this please
hoa [83]

Answer:

z = 113

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Step-by-step explanation:

j || n and line a is their transversal. (given)

Therefore,

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z°= 113°

z = 113

(5y - 88)° = 67° (exterior alternate angles)

5y - 88 = 67

5y = 67 + 88

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y = 155/5

y = 31

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Answer:

Step-by-step explanation:

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