3 years ago

The following stem-and-leaf plot shows the on-record attendance for regional charity drive meetings.

Mathematics

1 answer:

yaroslaw [1]3 years ago

4 0

I’ll answer when I get home

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The function f(x) varies inversely with x and f(x)= -10 when x = 5

wlad13 [49]

F(x)<span>= -10
</span>f(5)=-10
f=-10 divided by 5
f=-2

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3 years ago

The first four terms of an arithmetic sequence are 28, 20, 12, and 4. which term of the sequence is -36

Charra [1.4K]

For an arithmetic sequence, the nth term is the first term plus (n-1)×the differece
the first term is 28, the difference between each adjacent number is 8
so -36=(28)+8(n-1)
8(n-1)=64
n-1=8
n=9
the 9th term is -36

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3 years ago

-2(x+y+2z). I need help with solving this problem

pychu [463]

Answer:

-2x-2y-2z I think that is answer

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3 years ago

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Find the coordinates of P ' if D o, 2.4 (x,y) is applied to the triangle below

guajiro [1.7K]

Answer:

The coordinates of P' are (4.8,-4.8).

Step-by-step explanation:

The rule of dilation $D_{o,2.4}(x,y)$ represent the dilation with scale factor 2.4 and center at origin.

If the scale factor of the dilation is k and the center is (0,0), then

$(x,y)\rightarrow (kx,ky)$

Since the scale factor is 2.4, therefore

$(x,y)\rightarrow (2.4x,2.4y)$

From the given figure it is noticed that the coordinates of P are (2,-2). The coordinates of P' are

$P(2,-2)\rightarrow P'(2.4(2),2.4(-2))$

$P(2,-2)\rightarrow P'(4.8,-4.8)$

Therefore the coordinates of P' are (4.8,-4.8).

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3 years ago

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Aleonysh [2.5K]

I'm pretty sure it's C and D

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3 years ago

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