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masha68 [24]
3 years ago
7

WILL GIVE BRAINLIEST FOR RIGHT ANSWER

Mathematics
2 answers:
tangare [24]3 years ago
7 0
97.6/(0.4^2*30.5)*(4.22+1.08) - 0.7*0.005/0.5^2*2800
= 66.8
aliya0001 [1]3 years ago
6 0
97.6 / (0.4 E2 x 30.5) x (4.22 + 1.08) - 0.7 x 0.005 / 0.5 E2 x 2800 = <span>42.204
If you need more help I will be glad to help!:)
*~"AB84"~*
</span>
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Can someone help me with part b?
Tema [17]

Step-by-step explanation:

the average rate of change of a function f in an interval [x-low, x-high] is

(f(x-high) - f(x-low)) / (x-high - x-low)

the year 2000 means t = 2000-1980 = 20

the year 2015 means t = 2015-1980 = 35

so, we have

(A(35) - A(20)) / (35 - 20)

((-0.6(35)² + 37.2×35 + 243) - (-0.6(20)² + 37.2×20 + 243)) / 15

((-735 + 1302 + 243) - (-240 + 744 + 243)) / 15

(810 - 747) / 15 = 63/15 = 4.2

the average change rate between 2000 and 2015 is 4.2.

that means that the use of nuclear energy in the USA increased by 4.2 billions of kilowatt hours per year during that period.

3 0
3 years ago
Jacob says the following is not a function:
lana66690 [7]

Answer:

he is not correct cuz none of the x factors repeat :)

6 0
2 years ago
Read 2 more answers
There are 5 times as many yellow labs as terriers in the dog park. if there are a total of 18 dogs, how many dogs are terriers?
gtnhenbr [62]
Terriers = x
Labs = 5x
5x + x = 18
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3 0
3 years ago
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Drag each label to the correct location on the image.
Misha Larkins [42]

Answer:

is there a picture to this problem?

7 0
3 years ago
Solve each system by elemination, 4x+8y=20 and -4x+2y=-30
ludmilkaskok [199]
The sum of the left side of these two equations is equal to the same of the right side is these two equations
4x+8y + (-4x+2y) = 20 + 30
10y =50 ( x is eliminated)
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-4x +2y = 30
-4x + 2*5 = 30
x=-5

So x=-5
y=5
5 0
3 years ago
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