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IgorLugansk [536]
3 years ago
5

If the mountain at a convergent plate boundary is growing at a rate of 1.6 mm per year, how much higher will it be in 50 years ?

Mathematics
1 answer:
Mrrafil [7]3 years ago
5 0
The mountain will be at 80mm long in 50 years because 50 times 1.6mm equals 80
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A science class has a ratio of 3 boys and 2 girls. Can there be 24 students in the class?
guajiro [1.7K]

Answer:

Let 3x be the number of boys

Let 2x be the number of girls

3x + 2x = 24

5x = 24

x = 4.8

3(4.8) = 14.4 boys

2(4.8) = 9.6 girls

There can't be 24 students for a ratio of 3 boys and 2 girls, because there can't be 14.4 boys and 9.6 girls, it has to be an exact number, otherwise it wouldn't make any sense.

For example, you and I are both 1 person, we can't be half a person or 0.6 of a person, only 1.

3 0
3 years ago
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Bro please help meee
Sidana [21]

Answer:

504 in³

Step-by-step explanation:

First find the volume of the large rectangle, which is 576 in³

Then find the volume of the small rectangle, which is 72 in³

Then subtract 72 from 576 = 504

6 0
3 years ago
On the left, prism A. Prism A is a triangular prism. The base has side lengths of 6 centimeters, 8 centimeters, and 10 centimete
Llana [10]

Answer:

Prism B has a larger base area

Step-by-step explanation:

Given

Base dimensions:

Prism A:

Lengths: 6cm, 8cm and 10cm

Prism B:

Lengths: 5cm and 5cm

Required [Missing from the question]

Which prism has a larger base area

<u>For prism A</u>

First, we check if the base dimension form a right-angled triangle using Pythagoras theorem.

The longest side is the hypotenuse; So:

10^2 = 8^2 + 6^2

100 = 64 + 36

100 = 100

The above shows that the base dimension forms a right-angled triangle.

The base area is then calculated by;

Area = 0.5 * Products of two sides (other than the hypotenuse)

Area = 0.5 * 8cm * 6cm

Area = 24cm^2

<u>For Prism B</u>

Lengths = 5cm\ and\ 5cm

So, the area is:

Area = 5cm * 5cm

Area = 25cm^2

<em>By comparison, prism B has a larger base area because </em>25cm^2 > 24cm^2<em></em>

5 0
3 years ago
A number t decreased by 2 is at least 7
9966 [12]
Answer:
t - 2 ≥ 7; t ≥ 9

Explanation:
“a number t” = t
“decreased by 2” = - 2
“Is at least 7” = ≥ 7
So, t - 2 ≥ 7

To solve for t - 2 ≥ 7, add 2 to both sides of the equation

t - 2 ≥ 7
t - 2 + 2 ≥ 7 + 2
t ≥ 9

So, t ≥ 9
6 0
4 years ago
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Komok [63]
Answer is 2a.

(1) Rephrase the expression as (15-13)a
(2) Solve the parenthesis and get 2
(3) Multiply 2 by a = 2a
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