3 years ago

What is the interquartile range (IQR) of the data set? a. 6 b. 7 c. 12 d. 13

Mathematics

2 answers:

antoniya [11.8K]3 years ago

7 0

I think it’s gonna be b

Effectus [21]3 years ago

4 0

Answer:

Step-by-step explanation:

#456sghSDFG

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This robotic arm is made up of two cylinders with equal volume and two triangular prism hands. The volume of each hand is

BaLLatris [955]

Answer:

$\frac{r}{3\pi h+r}$

Step-by-step explanation:

Since the height isn't given, we assume it to be "h" (of cylinders). And the answer will be in terms of "r" and "h".

The area of 1 arm is given, so the area of 2 arms would be:

$A_{arm}=2*(\frac{1}{2}r*\frac{1}{3}r*2r)=\frac{2r^3}{3}$

Now, area of 2 cylinders would be the formula:

$A_{cyl}=2*(\pi r^2 h)=2\pi r^2 h$

So, total area is A_arm PLUS A_cyl. The fractional area the arms are would be gotten by taking expression A_arm divided by A_total.

Shown below:

$\frac{A_{arm}}{A_{total}}=\frac{\frac{2r^3}{3}}{2\pi r^2 h + \frac{2r^3}{3}}$

We simplify further:

$\frac{\frac{2r^3}{3}}{2\pi r^2 h + \frac{2r^3}{3}}\\=\frac{\frac{2r^3}{3}}{2r^2(\pi h + \frac{r}{3})}\\=\frac{r}{3(\pi h + \frac{r}{3})}\\=\frac{r}{3\pi h+r}$

THis is the answer.

6 0

3 years ago

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If there are 30 boys and 50 girls in a room, fill out all of the possible ratios of boys to girls that could be made. They alrea

goldfiish [28.3K]

Answer:

3:5

60:100

90:150

120:200

15:25

150:250

180:300

210:350

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3 years ago

I need help with the following if possible

scoundrel [369]

1. -1
2. 1
3. 5
4. -1
5.-1
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3 years ago

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Solve and graph each of the following. Show your work to receive full credit.5x – 6 – 8x ≤ 9

alexandr402 [8]

Answer: x> or equal to -5

Step-by-step explanation:

5x – 6 – 8x ≤ 9

Combine the lioe numbers

-3x-6≤ 9

+6 to both sides

-3x≤ 15

Divide by a -3 to both sides

X>or equal to -5

Hope that helps

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3 years ago

Please help me with this answer!

Delvig [45]

Answer:

y=7/4x

Step-by-step explanation:

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2 years ago

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