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3 years ago

Another one he doesn't think I'm right on.

Mathematics

2 answers:

oksian1 [2.3K]3 years ago

7 0

Answer:

x = 8

Step-by-step explanation:

22/16 = 11/x

x = 11 . 16/22

x = 8

kotykmax [81]3 years ago

4 0

A. 8 is the answer

If the triangles are similar then their sides need to be in the same ratio. So, if 22 become 11, then the ratio is 2:1. So, for 16 it becomes 8.

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Without looking, Luke picks necklace beads from a bag of 52 beads. Half the beads are rough. The other half are smooth. There ar

xz_007 [3.2K]

Answer: $\dfrac{1}{4}$

Step-by-step explanation:

Given

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favorable outcomes to select a blue bead is 13

Total outcomes are 52

Probability is given by

$P=\dfrac{\text{favorable}}{\text{Total outcomes}}\\\\\Rightarrow P=\dfrac{13}{52}=\dfrac{1}{4}$

7 0

3 years ago

Tính tích phân sau bằng cách dùng tọa độ cực I=∫∫ <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B%5Csqrt%7Bx%5E%7B2%7D%20%2B

xenn [34]

It sounds like R is the region (in polar coordinates)

R = {(r, θ) : 2 ≤ r ≤ 3 and 0 ≤ θ ≤ π/2}

Then the integral is

$\displaystyle \iint_R\frac{\mathrm dx\,\mathrm dy}{\sqrt{x^2+y^2}} = \int_0^{\pi/2}\int_2^3 \frac{r\,\mathrm dr\,\mathrm d\theta}{\sqrt{r^2}} \\\\ = \int_0^{\pi/2}\int_2^3 \mathrm dr\,\mathrm d\theta \\\\ = \frac\pi2\int_2^3 \mathrm dr \\\\ = \frac\pi2r\bigg|_2^3 = \frac\pi2 (3-2) = \boxed{\frac\pi2}$

5 0

3 years ago

What is the MAD of this data set? 6,14,3,3,6,7,3

Alik [6]

Answer:3

Step-by-step explanation:

8 0

3 years ago

7. A triangle has an area of 20 in². If the height of the

GenaCL600 [577]

Step-by-step explanation:

the area of a triangle is

baseline × height / 2

in our case

baseline × 5 / 2 = 20 in²

baseline × 5 = 40

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2 years ago

What angles are supplementary?

vova2212 [387]

8 and 5 and I hate IXL ugh

5 0

3 years ago