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goblinko [34]
2 years ago
5

If f(x) = − 5, what is f(8.6)? 3 4 8 9

Mathematics
2 answers:
Daniel [21]2 years ago
5 0

Answer:

8

Step-by-step explanation:

Artist 52 [7]2 years ago
4 0

Answer:

the correct answer is 4

Step-by-step explanation:

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What is the exact volume of a sphere with a diameter of 36 in.?
Contact [7]
The volume of a sphere:
V=\frac{4}{3} \pi r^3
r - the radius

The diameter is twice the radius.
d=36 \ in \\
r=\frac{36}{2} \ in = 18 \ in \\ \\
V=\frac{4}{3} \pi \times 18^3=\frac{4}{3}\pi \times 5832=\frac{23328}{3} \pi=7776\pi \ [in^3]

The exact volume of the sphere is 7776π in³.
5 0
2 years ago
Functions math, please help.​
kozerog [31]
Y intercept is (0,-7). slope is 2.

Change the function to y=mx+b format first. m=slope and plug in 0 as x to get y intercept.

8 0
2 years ago
Marina earns $15 for 1 hour of babysitting $23 for 2 hours of babysitting and $31 for 3 hours of babysitting. Write a function t
DochEvi [55]

Answer:

Step-by-step explanation:

Let y represent the amount that Marina earns for babysitting.

Let x represent the number of hours of babysitting.

If we plot the graph of y on the vertical axis and x on the horizontal axis of a graph,

the slope which is expressed as

Slope, m =change in value of y on the vertical axis / change in value of x on the horizontal axis

change in the value of y = y2 - y1

Change in value of x = x2 -x1

Slope = (23 - 15)/(2 - 1) = 8

We would model the function in the slope intercept form which is expressed as

y = mx + c

Where c represents the intercept.

To determine c, we would substitute y = 15, x = 1 and m = 8 into y =mx + c. It becomes

15 = 8 × 1 + c

15 = 8 + c

c = 15 - 8 = 7

The function that describes the sequence would be

y = 8x + 7

7 0
2 years ago
In 2013, the Centers for Disease Control and Prevention surveyed 450,000 adults ages 18 and older and found that 79% of them do
belka [17]

Answer:

Percent = 79\%

Step-by-step explanation:

Given

Adults = 450000

Rate = 79\% --- Those that do not get recommended amount of exercise

Required

The percentage that do not get the recommended amount of exercise

From the question, we have 79% to be the percentage of adults that do not get the recommended amount of exercise. This 79% represents the required percentage

Hence:

Percent = 79\%

6 0
3 years ago
Please answer this ASAP need it fast.
alexgriva [62]

Answer:

Step-by-step explanation:

-\frac{2}{3}a+\frac{5}{6}a-\frac{1}{6}

Like term are       -\frac{2}{3}a+\frac{5}{6}a, LCD of 3 ,6 = 6

\frac{-2*2}{3*2}a+\frac{5}{6}a-\frac{1}{6}=\frac{-4}{6}a+\frac{5}{6}a-\frac{1}{6}\\\\=\frac{(-4+5)}{6}a-\frac{1}{6}\\\\=\frac{1}{6}a-\frac{1}{6}\\

6 0
2 years ago
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