3 years ago

Which box-and-whisker plot represents this data

Mathematics

1 answer:

Lady_Fox [76]3 years ago

5 0

The fist box and whisker plot correctly represents the data

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The sum of 8 times a number and 15 is 7

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8x+15=7

answer: x= 1 hope this help

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What is the answer to 2/3 of something equals 10

denis23 [38]

In math, when you see the word "of" it usually means "times".

So the question is:

<u>2/3 times something = 10</u>

Multiply each side of the equation by 3 :

2 times something = 30

Divide each side by 2 :

<em> something = 15</em>

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If the outliers are not included, what is the mean of the data set?

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1) A projectile is thrown upward so that its distance above the ground after t seconds is

leonid [27]

Answer:

After 22 seconds the projectile reach its maximum height of 4,840 units

Step-by-step explanation:

we have

$h(t)=-10t^{2}+440t$

This is a vertical parabola downward (because the leading coefficient is negative)

The vertex is a maximum

Find out the coordinates of the vertex

Convert the quadratic equation in vertex form

Factor -10

$h(t)=-10(t^{2}-44t)$

Complete the square

$h(t)=-10(t^{2}-44t+22^2)+(10)(22^2)$

$h(t)=-10(t^{2}-44t+22^2)+4,840$

Rewrite as perfect squares

$h(t)=-10(t-22)^{2}+4,840$

The vertex is the point (22,4,840)

therefore

After 22 seconds the projectile reach its maximum height of 4,840 units

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3 years ago

Is 0.333 a natural number?

NeX [460]

Answer:

No, 0.333 is a rational number, not a natural number

Step-by-step explanation:

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