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Amanda [17]
2 years ago
15

Please help answer all the question and i will mark brainlest answer when I get the chance thx!!!!!!

Mathematics
1 answer:
Blizzard [7]2 years ago
5 0

Answer:

1. D

2.C

3.E

4.B

5.A

6. 5/9

7. 5/6

Step-by-step explanation:

I hope I helped

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Please help me find DOMAIN/RANGE and the EQATION
mrs_skeptik [129]

Answer:

Domain of the function → (-6, ∞)

Range of the function → (-∞, ∞)

Step-by-step explanation:

Domain of a function is the set of x-values of the function.

Similarly, Range of the function is the set of y-values.

From the graph attached,

Domain of the function → (-6, ∞)

x-values of the function starts from x = -6 (excluding x = -5) and tends to the positive infinity.

Range of the function → (-∞, ∞)

y-values starts from negative infinity and tends to positive infinity.

7 0
3 years ago
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
X to the 2nd power plus x equal 5
mr Goodwill [35]
X^2 + x = 5
hope that helps

................
4 0
3 years ago
Read 2 more answers
Simplify the expression show all your work 18 / 2 x 3 over 5 - 2
11Alexandr11 [23.1K]

Answer:

18÷2 × 3 / 5-2

9 ×3 / 3

27/3

9

tyvm this was my 100th answer :)

6 0
3 years ago
Please help me with this math PLEASE
Doss [256]

Answer:

Step-by-step explanation:

  0

r

= 1

6 0
3 years ago
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