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Oksi-84 [34.3K]
2 years ago
6

Giving brainlist for correct answer. :))

Mathematics
1 answer:
Katena32 [7]2 years ago
8 0

Answer:

162 cubes

Step-by-step explanation:

The formula for finding the volume of a rectangular prism is length x width x height.

6 x 3 x 4.5 = 81

Since each cube is only half a centimeter, we need to multiply this by two.

81 x 2 = 162 cubes

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Can someone please help with this!
Sever21 [200]

mathpapa should n could help

8 0
3 years ago
Read 2 more answers
Problem is in the attached image. Thanks in advance!
lutik1710 [3]

Answer: it will take 2.5 hours for both people to meet after person B leaves.

Step-by-step explanation:

The distance between the house of person A and his cousin's house is 234 miles.

At the point where they meet, they would have travelled 234 miles.

Person A travelled at an average speed of 44 miles per hour.

Let t represent the time spent by Person A in travelling from his house to the point where they meet.

Distance = speed × time

Distance covered by person A would be

44 × t = 44t

One and half hours later, person B leaves his house to visit person A, travelling at an average speed of 62 miles per hour. This means that total time spent by person B in travelling to the point where they meet is (t - 0.5) hours. Distance covered would be

62(t - 0.5) = 62t - 31

Since the total distance covered is 234 miles, then

44t + 62t - 31 = 234

106t = 234 + 31 = 265

t = 265/106 = 2.5 hours

3 0
3 years ago
using a regression calculator, what is a good prediction for the height of the tree when it is 100 years old?
mylen [45]

Correct Question:

Tim is investigating the relationship between the number of years since a tree was planted and the height of the tree in feet. His data are shown in the table. Years Since Tree was Planted vs. Height of Tree

Years since the tree was planted, x

Height of tree in feet, y

2, 17, 3, 25, 5, 42, 6, 47, 7, 54, 9, 69

Using a regression calculator, what is a good prediction for the height of the tree when it is 100 years old?

Answer/explanation:

There is no good prediction for the height of the tree when it is 100 years old. If you analyze careful in details the regression calculator you realize that it probably will not valid that far in to the future say 100 years.

6 0
3 years ago
The question is in the picture above. Please help
kow [346]

Answer:

it is 1

Step-by-step explanation:

5 0
3 years ago
1. What is the fourth term in the expansion of (x + 4y)^6?
aev [14]
For the fourth term r = 3
Fourth term = 6C3(x)^(6 - 3) (4y)^3 = 20x^3 (64y^3) = 1,280x^3y^3
7 0
3 years ago
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