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2 years ago

A no correlation b positive c quadratic correlation d negative

Mathematics

1 answer:

musickatia [10]2 years ago

4 0

because it is in the negative plan of the graph

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A car advertisement claims that a certain car can accelerate from rest to 70 km/hr in 7 seconds find the car acceleration

iVinArrow [24]

Answer:

acceleration $\approx 2.78\,\,\frac{m}{s^2}$

Step-by-step explanation:

The acceleration is the change in velocity per unit of time.

Therefore to have this rate in appropriate units that can combine, we re-write the change from 0 to 70 km/h in meters per second using:

$70 \frac{km}{h} = \frac{70000}{3600} \frac{m}{s}$

so in this case the acceleration becomes:

$accel=\frac{change\,\,vel}{change\,\,time} =\frac{70000m}{3600\,*7\,s^2} \approx 2.78\,\,\frac{m}{s^2}$

7 0

3 years ago

PERSON WHO GETS IT RIGHT GETS BRAINLIEST

saul85 [17]

Step-by-step explanation:

Let x = number of games that Alex played

The total money that he spent C is given by

$C = 2x + 15$

If he spent $45, then we can write

$45 = 2x + 15$

Solving for x, we get

$2x = 45 - 15 = 30 \Rightarrow x = 15$

This means that Alex played 15 games.

4 0

2 years ago

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Mrs. Rhodes is building the ramp shown below and she wants to paint it blue. How much paint will she need to cover the entire su

Mademuasel [1]

Answer:

2/3 of paint I believe because of the amount shown

4 0

3 years ago

Please help. Need to understand it. At least give an answer.

cluponka [151]

Answer:

The asnwer is the first one:

Step-by-step explanation:

You do this

x = 3.242424242424

100x = 324.24242424242424242424

-x

= 329/99

3-24/99

3 8/33

3 0

3 years ago

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PLEASE HELP LOL :(

vivado [14]

Ok I just need points

5 0

3 years ago

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