2 years ago

Is 1/3, 7/21 proportion

Mathematics

1 answer:

aliina [53]2 years ago

6 0

Answer:

1/3

Step-by-step explanation:

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−3(k+7)>−57 please help and solve

Nikolay [14]

Answer:

k>12

Step-by-step explanation:

distribute -3 into the parenthesis

-3k-21>-57

add 21 on both sides

-3k>-36

divide both sides by -3

k>12

HOPE THIS HELPS!!!

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3 years ago

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If you bought your car 5 years ago for $15,000 and today you can sell for $7000, what was it's rate of depreciation? Round to tw

serg [7]

Answer : The rate of depreciation is, $16000

Step-by-step explanation :

Formula used to calculate the rate of depreciation is:

$\text{Depreciation rate}=\frac{\text{Purchase price of asset }+\text{ Salvage value}}{\text{Estimate life of asset}}$

Given:

Purchase price of asset = $15000

Salvage value = $7000

Estimate life asset = 3 years

Now put all the given values in the above formula, we get:

$\text{Depreciation rate}=\frac{15000+7000}{5}$

Deprecation rate = $16000

Therefore, the rate of depreciation is, $16000

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3 years ago

Erin received the following scores on her last four spelling tests.

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3 years ago

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A rectangle has a length of 0.4m and a width of 5cm less than its length.what is the perimeter of the rectangle

Sliva [168]

Answer:

150cm

Step-by-step explanation:

0.4*100-5=35

(35+40)*2=150

6 0

2 years ago

Is 1/3, 7/21 proportion ​

Is 1/3, 7/21 proportion