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abruzzese [7]
3 years ago
6

Find the rate of change of h(x) =-x² + 4x+2 from x=3 to x=7

Mathematics
1 answer:
Mademuasel [1]3 years ago
5 0

Answer:

-6

Steps:

solve for x=3

(3,5)

solve for X=7

(7,-19)

then find the slope using

\frac{y2 - y1}{x2 - x1}

and it will be = -6

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I need please help. thank you
Travka [436]

15. She bought:

3 jeans, $20 each

1 pants, $18

You find the total: 3(20) + 1(18) = $78 then you apply the discount

Since this is between 50-100, you use the 38% discount (decimal form: 0.38)

38% is being subtracted from your total, so you can do this:

100% - 38% = 62%      This is your total after the discount

78(0.62) = 48.36   Your answer is C

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17. A    Budgeting helps you organize and limit your spending and meet financial goals

18. C    Liabilities impacts you negatively, since you have debts to pay off

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7 0
3 years ago
What is the surface area of the cone?
goblinko [34]

Answer: C

Step-by-step explanation:

To find the surface area of a cone, you use the formula A=\pi r(r+\sqrt{h^2+r^2} ). Since we are already given the height and radius, all we have to do is plug in the values and solve.

A=9\pi (9+\sqrt{41^2+9^2} )       [solve inside of square root]

A=9\pi (9+\sqrt{1762} )             [parenthesis]

A=9\pi (50.976 )                   [multiply]

A=458

Therefore, the closest answer is C.

3 0
3 years ago
Determine the area of the circular floor space inside the igloo, given the walls were 0.3m thick
Vanyuwa [196]
More details are required.
8 0
3 years ago
Is the relationship between the amount of gas and pressure direct or indirect? Explain your answer
guajiro [1.7K]

Answer:

INDIRECT!

see below

Step-by-step explanation:

A law that says that if the temperature is constant then  the volume of a fixed amount of a gas is <u>inversely proportional</u> to its pressure.If the pressure on a gas increases, the volume of the gas decreases because the gas particles are getting closer together.

8 0
3 years ago
In any triangle with 105 angle, is the. Longest side always the opposite side
expeople1 [14]

Answer:

yes

Step-by-step explanation:

3 0
3 years ago
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