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3 years ago

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What is the ratio of y to x represented by the line in the graph? Plssss help me will give BRAINLIEST!!

1 answer:

UNO [17]3 years ago

3 0

The answer is 5:2.

If we take the y-value of 10 and the corresponding x-value of 4, that is 10:4. You can reduce that by diving both numbers by 2. You get 5:2.

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D(5, 7), E(4, 3), and F(8, 2) form the vertices of a triangle. What is<br> m∠DEF?

lakkis [162]

DE^2 = 1 + 16 = 17.
<span>EF^2 = 16 + 1 = 17. </span>
<span>DF^2 = 9 + 25 = 34. </span>
<span>Since (DE)^2 + (EF)^2 = (DF)^2,
</span><span> angle E is 90 degrees.
</span><span> DF must be the hypotenuse
</span>see attachment below

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3 years ago

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Some track and field athletes feel that they are more likely to win a race if they start on the inside lane. The data above show

ivolga24 [154]

Answer:

D.]

Step-by-step explanation:

We will find the standard deviation and variance:

Variance= E $x^{2}$ -[ $[E(x)]^{2}$

E[x] = 3.462

E[{x}^2]= 31.86

Var(x)= 31.86-(3.462)^2 = 28.4

Standard deviation = $\sqrt{Var(x)}$

= $\sqrt{28.4}$

= 5.833 = 6(aproximately)

Therefore, the chances of winning are equal in each lane.

4 0

3 years ago

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True or False: 1/4 is an example of a terminating decimal?

3241004551 [841]

True:1/4 is an example of a terminating decimal

7 0

3 years ago

Devan spent 1/4 of her paycheck at the mall.

babunello [35]

One eighth or
$\frac{1}{8}$

4 0

3 years ago

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If the average speed of a car is 100/hr, how much time is needed for the car to travel 715 km?

Delicious77 [7]

Answer:

7.15 hours or 7 hours 9 minutes.

Step-by-step explanation:

Time = distance / average speed.

= 715 / 100

= 7.15 hours.

3 0

3 years ago