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Stels [109]
3 years ago
7

What is the range of the function below?

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
3 0

Answer:

C

Step-by-step explanation:

f(x)=72-4x

72-4x=0

4x=72

x=18

f(x)<=18

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Anita got 4 problems wrong on a test of 36 questions. what percent of the questions did she get correct
pickupchik [31]
The answer would be about 89% 
to solve this problem first you would have to subtract 4 from 36 to get 32 because you want to know how many she got right first .
so you put 32 over 36 ( the number she got right over the total number of questions ) and n ( the number you don't know yet ) over 100 . that will be the percent .
next all you have to do is cross multiply 32 times 100 and 36n , to get 3200 and 36n . 
now you have to divide 3200=36n by 36 so you get n by its self but you have to divide on both sides of the equal sign .
when you divide you will then get 88 with a lot of remainder 8's so you would just round up to 89 .
finally you know n = 89% so she got 89% of her questions right .
4 0
3 years ago
Find the slope and the y-intercepts of the equations below.
Elena-2011 [213]

Answer:

28) slope -3 y intercept -13

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30) slope 4 y intercept -6

7 0
3 years ago
What is 3/4 divided by 1/2
DIA [1.3K]
3/4 ÷ 1/2
3/4 × 2/1
(3 × 2)/(4 × 1)
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3/2
5 0
3 years ago
Suppose you start at the origin, move along the x-axis a distance of 5 units in the positive direction, and then move downward a
Drupady [299]

Answer:

The coordinates of positions are (5, 0, -8) .

Step-by-step explanation:

The distance along with the x-axis = 5 units

The distance along with the z-axis = 8 units

Since it is given that the start point is origin then the Initially you are at: (0, 0, 0)

thus, when moving 5 units along the positive x-axis: (5, 0, 0)

and moving 8 units in the negative z-axis: (5, 0, -8)

therefore, the final coordinates are (5, 0, -8) .

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How can I write out or explain the answer to 2308 times 9
notka56 [123]
2,308 times 9 =20,772

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