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kiruha [24]
3 years ago
6

If correct I will give brainly​

Mathematics
1 answer:
avanturin [10]3 years ago
8 0
35 is the answer I will be going with
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HELP ASAP will give brainliest
Natalka [10]

Average rate of change is 0

Interpretation: The crop yield did not change from year 5 to year 15

<em><u>Solution:</u></em>

The function that models the yield is:

f(x) = -x^2 + 20x + 75

The average rate of change of f(x) from x = a to x = b is given by the formula:

\text{ average rate of change }=\frac{f(b)-f(a)}{b-a}

Find and interpret the average rate of change from year 5 to year 15

f(5) = -(5)^2 + 20(5) + 75\\\\f(5) = -25 + 100 + 75\\\\f(5) = 150

f(15) = - (15)^2 + 20(15) + 75\\\\f(15) = -225 + 300 + 75\\\\f(15) = 150

<em><u>Thus average rate of change:</u></em>

\text {average rate of change}=\frac{f(15)-f(5)}{15-5}

\text {average rate of change}=\frac{150-150}{10}=0

Thus Average rate of change is 0

Interpretation: The crop yield did not change from year 5 to year 15.

7 0
3 years ago
Read 2 more answers
Square root of 1.9321
Ann [662]
The answer to square root of 1.9321 is - 1.39
6 0
4 years ago
Read 2 more answers
The population of Ketchum high school has been decreasing by 5% per year. If it's population is currently 2,600 students, which
Olin [163]
I think its 206 because you'll have to change  5% into a decimal and you'll
get 0.05 because you move the decimal place to the left 2 times. Then multiply
2,600 to 0.05 to get what the population decreasing for a year, (130) then multiply is by 2 (for 2 years) and you'll get
260 students. 
-Have fun in math :/
7 0
4 years ago
Triangle RSV is congruent to triangle TVS. Find x and y.
inn [45]

If these triangles are congruent, then side RS is congruent to side TV and that means that y = 4 - x. If y = 4-x, we can sub that into the next equation where side RV = side ST and 1 = 4x - y. If y = 4-x, we sub in accordingly to get 1 =4x - (4 - x). That simplifies to 1 = 4x - 4 + x which is, combining like terms, 5 = 5x. That means that x = 1. If x = 1, and y = 4 - x, then y = 4 - 1 and y = 3. There you go!

8 0
4 years ago
Read 2 more answers
Planes Q and R are parallel. Lines a and b are shown on planes Q and R, respectively.
Akimi4 [234]

Answer:

c) they are screw lines

Step-by-step explanation:

A and B will intersect but never create a 90 degree angle. It comes at and angle smaller

8 0
2 years ago
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