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MAVERICK [17]
3 years ago
6

Plz help thank you 4number4

Mathematics
1 answer:
devlian [24]3 years ago
3 0
I can’t see the problem for this but wish I could help
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The mean of 15 numbers is y.If each of the number is increased by 30, find the increase of the new mean in terms of y.The answer
dusya [7]

Answer:

y+30

Step-by-step explanation:

the sum of the numbers is 15y

the new sum after increase each number by 30 is 15y+450

the new mean 15y+450/15

= y+30

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3 years ago
What is the equation of a circle with center (-7,4) and radius 8?
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7 0
3 years ago
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Novay_Z [31]

Answer:The line goes through the points (4,-3) and (0,-2), so its gradient is (-2-(-3))/(0-4) = -1/4. The y-intercept is -2 because f(0)=-2. So the equation of the line is y = -1/4 x - 2.This can be represented by the linear function f(x) = (-1/4)x - 2. The composite function ff is given by ff(x) = f(-1/4 x - 2) = (-1/4)((-1/4)x - 2) - 2 = x/16 - 3/2.HOPE'S THIS HELP'S

6 0
3 years ago
plot the reflection of point A across the x-axis. what are the coordinates of the reflection of point A across the x-axis? what
dsp73
You reflect point A over the x-axis, double the distance from point a to the x-axis, then give the coordinates.

ex/ point A to the x-axis: 6, reflection: 12. coordinates (-6, 5)
8 0
3 years ago
500 stickers 25 percent are hearts how many are stars
melomori [17]

Answer:

375

Step-by-step explanation:

500 x 0.25 = 125

500 - 125 = 375

hope i helped

6 0
3 years ago
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