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3 years ago

Please help me with both question 18 and question 19.

Mathematics

2 answers:

goblinko [34]3 years ago

6 0

It should be A for both I believe

dmitriy555 [2]3 years ago

5 0

Answer:

A & A

Step-by-step explanation:

18)the graph of the function is stretched by half, thus it compresses toward the x axis. while the +4 in the root is moved 4 to left.

19) set equations equal to each other and solve for x and y one at a time

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Assume the world catch of fish in 1950 was 12 million tons and in 1955 it was 96 million tons.

Rama09 [41]

The rate of change is 16.8 million tons per year

Solution:

Given that, the world catch of fish in 1950 was 12 million tons and in 1955 it was 96 million tons

The average rate of change is given by formula:

$\text{ Average rate of change } = \frac{\text{ change in value }}{\text{ number of years }}$

Value in 1950 = 12 million tons

Value in 1955 = 96 million tons

Change in value = value in 1955 - value in 1950

Change in value = 96 million - 12 million = 84 million tons

Number of years = 1950 to 1955 = 5 years

Substitute the given values in formula,

$\text{ Average rate of change } = \frac{84 \text{ million tons}}{5} = 16.8 \text{ million tons}$

Thus rate of change is 16.8 million tons per year

5 0

3 years ago

6 1/2 how many inches

sveticcg [70]

Answer:

78 inches

Step-by-step explanation:

12 TIMES 6 = 72

72+6=78

6 0

3 years ago

I need help ASAP. This is multiple choice

kvv77 [185]

Answer:

the answer is 3

Step-by-step explanation:

7 0

3 years ago

Plz help ASAP!!!!!!!!

lilavasa [31]

Answer:

The answer is 95.03

Step-by-step explanation

The formula that I used

A=πr^2

Area = π·5.5^2 ≈ 95.03318

Hope that helps :)

4 0

3 years ago

Which number is irrational?

adoni [48]

the answer is D

the square root of 6 because it cannot be written as a fraction

3 0

3 years ago