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Zielflug [23.3K]
3 years ago
14

Mason and his dad are going to build a small retaining wall for the perimeter of their new

Mathematics
1 answer:
IRISSAK [1]3 years ago
5 0

Answer:

120 bricks = 10 kg

120 bricks × 10 kg = 1200 kg

1200 kg + 9000 kg = 10200 kg

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Please help me with 18, 21, 24, 27, 30, 33, 36, 39, 46, and 47!
ale4655 [162]

Answer:

18) it is parallel to y axis

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3 years ago
Dylan delivers parcels.
vovikov84 [41]

Answer:

Dylan delivered 140 parcels on Wednesday.

Step-by-step explanation:

On Wednesday:

On Wednesday, he delivered x parcels.

Thursday:

10% more than Wednesday, so 100 + 10 = 110% of x = 1.1x

Friday:

50% pless than on Thursday, so 100 - 50 = 50% of 1.1x = 0.5*1.1*x.

THis is equals to 77. So

0.5*1.1x = 77

x = \frac{77}{0.5*1.1}

x = 140

Dylan delivered 140 parcels on Wednesday.

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3 years ago
Marquis wrote the linear regression equation y=1.245*-3.684
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I would say 35 because if you put in 35 for x you get 39.891
5 0
3 years ago
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The Lopez Family meets with a financial planner who advises them to save 15% of their income
soldi70 [24.7K]

Answer:

$1281

Step-by-step explanation:

8540 \times  \frac{15}{100}  \\ 1281

5 0
3 years ago
in 1990 there were about 5.4 billion people in the world. if the population has been growing at 1.95% per year, estimate the yea
kompoz [17]

Answer:

2011

Step-by-step explanation:

Here is the formula.

A=P(1+r)^{n}

A = Final Value

P = Starting Value

R = Rate

N = Time in Years

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N = Time in Years

Solve for n.

20.35 Years from 1990; so sometime in 2011 the population would be 8 billion.

6 0
2 years ago
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