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Mathematics

1 answer:

OLga [1]3 years ago

5 0

Answer:

d 64

Step-by-step explanation:

f(-3)=1/2 ^-6=2^6=64

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38 In the faculty parking lot of a school 21 out of 25.cars have four doors. What

Salsk061 [2.6K]

Answer:

Step-by-step explanation:

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2 years ago

PLEASE HELP (:

Kaylis [27]

Answer:

{12,15}

Step-by-step explanation:

Given the function f(x) = x+5, if the range of the function is {7,9}, the domain of the function is derived by simply finding the value of the function at each end point.

At endpoint x = 7,

f(7) = 7+5

f(7) = 12

At endpoint x = 9

f(9) = 9+5

f(9) = 14.

The function domain is therefore at {12,14}

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2 years ago

What is the height of an equilateral triangle with side lengths of 15? round to tenths?

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If this is an equilateral triangle, we need half of it to find the height which is a leg of a right triangle with a hypotenuse of 15. That means that the base of this half triangle is 7.5. Use Pythagorean's Theorem to fine the height. $x^{2} =(15) ^{2} -(7.5) ^{2}$ . x = 12.99 or 13

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3 years ago

Theres 30 kilograms of 10% apple juice. How many kilograms of apples does it need to increase the current apple juice to 25%?

raketka [301]

The mass of the apple juice needed to increase the initial concentration to 25% is 45 kg

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