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3 years ago

9

Justin picked up a toy with a mass of 5/12 kilograms. Then he picked up another toy with a mass of 1/12 kilograms. What is the t

otal mass of the toys he picked up? Write your answer as a fraction in simplest form.

1 answer:

kati45 [8]3 years ago

3 0

1/2 kilograms is the answer.

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Logs are stacked in a pile. The top row has 15 logs and the bottom row has 24 logs. How many logs are there in the stack?

ziro4ka [17]

There are two ways you can do this. You can use the longer way:
15+16+17+18+19+20+21+22+23+24 = 195 (starting from the top row, which has 15 logs, up until the bottom row, which has 24 logs, on condition that each second row has one log more than the previous one)

You can also use the formula (where n is the number of rows)
x= (n(first term+last term))/2
x= (10(15+24))/2
x= (10*39)/2
x=390/2
x=195

Either way, there are 195 logs in the stack.

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2 years ago

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Rewrite in simplest terms: -10(-3m-10)-3(-8m+3) i don't usually ask questions that often but I actually need help this time. so

andreev551 [17]

Answer:

The simplest form is 6m+91.

Step-by-step explanation:

Consider the given information.

$-10(-3m-10)-3(-8m+3)$

First, remove the parenthesis by multiplying -10 and -3 inside the parenthesis.

$30m+100-24m-9$

Now, rearrange the like terms.

$30m-24m+100-9$

Combine the like terms.

$6m+91$

Hence, the simplest form is 6m+91.

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3 years ago

Which expressions are equivalent to k/2?

AURORKA [14]

Answer:

C

Step-by-step explanation:

think of a random K number (like 3 for example)

1/2(3) = 3/2

this equals k/2 = 3/2

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2 years ago

Thirty adults were asked how many pets they have had over their lifetime. The results are shown in the histogram below. Which of

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The most likely answer would be C.

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3 years ago

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10(6 + 4) ÷ (2³.7)² =

mash [69]

Answer:

25/784

Step-by-step explanation:

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3 years ago