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3 years ago

Kendra claims that the shape of the xylophone is a rectangle since there right angles and parallel sides is this right

Mathematics

1 answer:

Olin [163]3 years ago

4 0

Answer:

No,as squares also follow those rules

Step-by-step

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A winery has a vat with two pipes leading to it. The inlet pipe can fill the vat in 5 hours, while the outlet pipe can empty it

Rashid [163]

Answer:

$time=40/3hours\approx 13.3hours$

Step-by-step explanation:

The rates are additive: you can calculate the inlet rate and the outlet rate and add them algebraically, i.e. the inlet rate will be positive and the outlet rate will be negative.

1. Inlet rate:

$1vat/5hours$

2. Outlet rate:

$1vat/8hours$

3. Net rate:

$\text{Inlet rate - outlet rate}=1vat/5hours-1vat/8hours\\\\ \text{Net rate}=(8-5)vat/40hour=3vat/40hour=(3/40)vat/hour$

4. Time to fill the vat

$rate=amount/time\implies time=amount/rate\\ \\ time=1vat/(3vat/40hour)$

$time=40/3hours\approx 13.3hours$

7 0

3 years ago

What is the system of measurement used most in the United States?

Simora [160]

U.S customary system also known as the English system.

Founded by the British, but they dropped it. Now only three countries in the world still use this system.

4 0

3 years ago

How do you simplify 4c=-r c=-9 and r=-8

frutty [35]

Answer: -36 = 8

Step-by-step explanation:

$4c=-r\\4(-9)=-(-8)\\-36=8$

3 0

3 years ago

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Lee earned some money from a summer job he saved 1/4 of the money and spent 1/3 of the rest on a t-shirt he then spent the remai

USPshnik [31]

1/4 saved, 3/4
1/3 of the rest (4/4-1/4=3/4, 3/4=rest)

1/3 of 3/4=3/12=1/4

saved=1/4
spent on t-shirt=1/4
CD=?
1/4+1/4+?=4/4
2/4+?=4/4
minus 2/4
?=2/4
?=1/2

spent 1/2 on CDs

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3 years ago

Rewrite each fraction with a denominator of 24. 3/8 7/6

Illusion [34]

9/24

28/24

If you need an explanation just ask

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3 years ago

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