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3 years ago

If you know that 8×300=2,400, how can you find 8×320? Explain.

Mathematics

2 answers:

tekilochka [14]3 years ago

8 0

we have

$8*300=2,400$

we know that

$320=(300+20)$

$8*320=8*(300+20)=8*300+8*20$

substitute the value of $8*300=2,400$

$8*320=2,400+8*20=2,400+160=2,560$

KATRIN_1 [288]3 years ago

3 0

If 8x300=2,400, then 8x320 would equal 2,560. Why? Because 8x20=160. 2,400+160=2,560.
Hope this helps! :)

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3 years ago

A woman earning $20 an hour gets a 15% raise. With her raise, how much will she earn after working 40 hours?

erastovalidia [21]

She will earn $920 after working 40 hours.

Step-by-step explanation:

Given,

Amount per hour = $20

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Raise amount = 15% of Amount per hour

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3 years ago

Which expression is half as large as the expression 345+23?

Anuta_ua [19.1K]

Answer:

A. (345 + 23) ÷ 2

Step-by-step explanation:

First we have to add 345 and 23 which gives you 368 Then divided by 2 which is 184 Cause it say half as large as the expression 345+23.

Then We have to find the answer to the answer choice

(345 + 23) ÷ 2 = 184

(2 x 345) + 23 = 713

(2 x 345) + 23 = 0.0054347826

Therefore A. (345 + 23) ÷ 2 is the answer.

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3 years ago

Read 2 more answers

Which are shown on a balance sheet? Check all that apply.

Olin [163]

Answer:

Assets, liabilities and time period

Step-by-step explanation:

A balance sheet shows the financial affairs of a company as of a particular date.

After financial statements, namely trading, profit and loss account, and profit and loss appropriations accounts are prepared, the profit is transferred to capital account.

The balances shown in each account will be shown in the balance sheet.

Since balance sheet is of a particular date, time period is compulsory to appear in the balance sheet besides assets as of close of business and liabilities will be shown.

So answer is

Assets,liabilities and time period.

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3 years ago

There are 285 people at the library. Then 127 more people come into the library

Masja [62]

Answer:

266.

Step-by-step explanation:

You want to take 285, and add 127 to that. You get 412. Subtract 146, and you get 266.

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