2 years ago

Identify the number that is a multiple of 3. O A 1 B. 21 OC. 10 OD. 25

Mathematics

1 answer:

Reptile [31]2 years ago

4 0

Answer:

Step-by-step explanation:

3 x 7 = 21, so it is B. You can't multiply 3 by anything to get the other numbers.

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3 years ago

Solve -x/6 ≥ 3 A. x ≤ 18 B. x ≥ -18 C. x ≥ 18 D. x ≤ -18

Amiraneli [1.4K]

Answer:

D. x ≤ -18

Step-by-step explanation:

-x/6 ≥ 3

Multiply both sides by 6.

-x ≥ 3 × 6

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x ≤ 18 × -1

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2 years ago

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When the new computer lab opened there were 18 computers.by the end of firdt week there were 25 computers. Find the percent of c

aliina [53]

The number of computers increased by 38.9%

Step-by-step explanation:

Number of computers at start of week = Old value = 18

Number of computers by end of week = New value = 25

Change = New value - Old value

Change = 25-18 = +7

The positive sign indicates the increase.

Increase percent = $\frac{Change}{Old\ value}*100$

$Increase\ percent=\frac{7}{18}*100\\\\Increase\ percent=\frac{700}{18}\\\\Increase\ percent= 38.88\%$

Rounding off to nearest tenth

Increase percent = 38.9%

The number of computers increased by 38.9%

Keywords: difference, percentage

Learn more about percentages at:

#LearnwithBrainly

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3 years ago

A car costs £20000. Work out the price after a 5% discount.

Mandarinka [93]

Answer:

£19000

Step-by-step explanation:

Discount cost = 5% of 20000 = 5/100 x 20000 = 1000

SO, cost after discount = 20000 - 1000 = 19000

hope this helps

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3 years ago

Find Value of x and TS if T is between R and S.

Romashka-Z-Leto [24]

I don't know the answer I need help on it as well

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3 years ago