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kirill [66]
3 years ago
8

If each brick weighs 2.81 kilograms, then 15 bricks will weigh how much in kilograms?

Mathematics
2 answers:
Naddika [18.5K]3 years ago
5 0

Answer:

42.15

Step-by-step explanation:

Given the unit rate you can simply make an equation.

15x=y.

Since you are given x, you can subsitute 2.81 for x.

15 times 2.81 if 42.15!

Hope this helps! :)

lakkis [162]3 years ago
3 0

Answer:

They will weigh 42.15 kilograms altogether.

Step-by-step explanation:

You simply need to multiply 2.81 and 15 together to get 42.15. You would multiply 15 by 2.81 because each brick is 2.81 kilograms, the key word each gives you the hint to multiply. Thus, the bricks weigh 42.15 kilograms altogether.

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Answer:

71 boxes

Step-by-step explanation:

1. Add 522 (# of glaze donuts) and 323(# of chocolate covered donuts).....845(# of total donuts)

2. Divide 845 by 12(the # of donuts each box could hold)....70.41666(repeating)

3. As you can't have a 0.41666 of a box, you round up 70.4166666 to 71.

71*12=852 70*12=840

Even though 71 boxes is more than enough to hold 845 donuts, there is simply no other choice, as there is no smaller box that holds less than 12 donuts.

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2 years ago
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Answer:

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3 years ago
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Answer:

38.81cm³

Step-by-step explanation:

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B. 103°

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