3 years ago

Which table represents a direct variation?

Mathematics

2 answers:

Crazy boy [7]3 years ago

8 0

Table b
explanation: there’s a pattern

Black_prince [1.1K]3 years ago

8 0

Table b. because the top of the table shows that it was 2x and the bottom of the table was showing 1x

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Liono4ka [1.6K]

Answer:

The answers are A and C

Step-by-step explanation:

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3 years ago

If a student scored 75 points on a test where the mean score was 83.5 and the standard deviation was 6.1. the student's z score

Delvig [45]

Answer: ( -1.5)

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3 years ago

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A ball with mass m kg is thrown upward with initial velocity 28 m/s from the roof of a building 17 m high. Neglect air resistanc

Nutka1998 [239]

a. At its maximum height, the ball has zero vertical velocity, so

$-\left(28\dfrac{\rm m}{\rm s}\right)^2=2(-g)(y_{\rm max}-17\,\mathrm m)$

$\implies y_{\rm max}=57\,\mathrm m$

b. The ball's height in the air $y$ at time $t$ is given according to

$y=17\,\mathrm m+\left(28\dfrac{\rm m}{\rm s}\right)t-\dfrac g2t^2$

Solve for $t$ when $y=0$ :

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3 years ago

Figure CDEF is a parallelogram.

Salsk061 [2.6K]

We see that CF and DE are parallel to each other, which means that they had the same length with each other, so:
6n-1=5n+9
Subtract 5n for both side
6n-1-5n=5n+9-5n
n-1=9
Add 1 for both side
n-1+1=9+1
n=10
CF=
6n-1
=6(10)-1
=60-1
=59
DE=
5n+9
=5(10)+9
=50+9
=59
CD/FE:
4n+2
=4(10)+2
=42
True/False:
n=10 True
n=7 False
CF=59 True
FE=42 True
CD=30 False. As a result, n=10;CF=59; and FE=42 is your final answer. Hope it help!

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SSSSS [86.1K]

Answer:

5,-3

Step-by-step explanation:

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