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Romashka [77]
3 years ago
12

A submarine dives at an angle of 13 degrees to the surface of the water. The submarine travels at a speed of 760 feet per minute

. About how deep is the sub after 5 min ?
Mathematics
1 answer:
Bad White [126]3 years ago
3 0
5 54r 4e2dwdfftye45dsww32444444re
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A population of 1,750 cheetahs decreases by 10% per year. How many cheetahs will there be in the population after 11 years? Roun
Triss [41]

Answer:

The answer is C. 546.

If a population decreases by 11%, that means that 89% (100% - 11% = 89%) of cheetahs remains each number. 89% can be expressed as 0.89, so to calculate the change of the population, we must each year multiply the number of cheetahs by 0.89.

After 1 year:     1750 * 0.89 ≈ 1558

After 2 years:  1558 * 0.89 ≈ 1387

After 3 years:  1387 * 0.89 ≈ 1234

After 4 years:  1234 * 0.89 ≈ 1098

After 5 years:  1098 * 0.89 ≈ 977

After 6 years:  977 * 0.89 ≈ 870

After 7 years:  870 * 0.89 ≈ 774

After 8 years:  774 * 0.89 ≈ 689

After 9 years:  689 * 0.89 ≈ 613

After 10 years:  613 * 0.89 ≈ 546

Step-by-step explanation:

4 0
3 years ago
Please help me with this homework
Leya [2.2K]

Answer:

Step-by-step explanation:

10^2+3^2=109 and sqrt 109 getting 10.4

3 0
3 years ago
The junior class of Eastlake High School has 146 students, and 67 of them are girls. How many boys are there in the class?
Katena32 [7]

Hello!

In order to find how many boys there are in the class simply subtract 67 from 146:

146-67= 79

There are 79 boys in the class

I hope it helps!

6 0
3 years ago
20.24 scientific notation
Darya [45]
20.24=2.024 x 10

Answer: 2.024 x 10
7 0
3 years ago
What additional information will allow you to prove the triangles congruent by the HL Theorem?
marissa [1.9K]

Answer:

The correct option is 3.

Step-by-step explanation:

The HL theorem states that 'if the hypotenuse and one leg of a right triangle are congruent to the hypotenuse and one leg of another right triangle, then the triangles are congruent.'

From the given figure it is noticed that triangle ABC and triangle EDC. In triangle  ABC and triangle EDC, hypotenuses of triangles are AB and DE respectively.

To use HL hypotenuse and one leg of triangles must be equal.

AB=DE                             (hypotenuse)

AC=DC                             (leg)

BC=EC                              (leg)

Therefore the additional information  AC=DC  will allow you to prove the triangles congruent by the HL Theorem. Option 3 is correct.

8 0
4 years ago
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