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3 years ago

Find x. A. 2 B. 1 C. 1.6 D. 0.9

Mathematics

2 answers:

Brilliant_brown [7]3 years ago

5 0

8x - 1 = 3x + 9 (☆ Corresponding Angle)

or, 5x = 10

or, x = 10/5

★ x = 2

This is a Right answer....

I hope you understand....

Mark me as brainliest....

Thanks...

nadya68 [22]3 years ago

4 0

Answer:

A. 2

Step-by-step explanation:

a. 8x-1

8x2-1

3x+9

3x2+9

now you can see that both the answers in bold are the same and the 2 marked angles are corresponding angles which mean that the have the same value in simple (go and research on corresponding angles when you got time)

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Answer:
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Explanation:
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5 0

3 years ago

There are three blue marvels and five red marvels in a bag you randomly select a marble and put it it back in the back if you do

olga nikolaevna [1]

Answer:

25 times

Explanation:

Blue Marvels: 3

Red Marvels: 5

Total Marvels: 5 + 3 = 8 marvels

Probability: favorable outcomes/total outcomes

Probability - red marble = 5/8

After Doing 40 times:

= 5/8 × 40

= 25

7 0

1 year ago

Evaluate the following integral in cylindrical coordinates triple integral 1/(1+x^2+y^2) dzdxdy z=0..2 y=0..square root(1-x^2) x

sertanlavr [38]

In cylindrical coordinates, we take

$x=r\cos\theta$

$y=r\sin\theta$

$z=z$

so that $\mathrm dx\,\mathrm dy\,\mathrm dz=r\,\mathrm dr\,\mathrm d\theta\,\mathrm dz$ .

We have

$1+x^2+y^2=1+r^2$

and the integral is

$\displaystyle\int_0^2\int_0^\pi\int_0^1\frac r{1+r^2}\,\mathrm dr\,\mathrm d\theta\,\mathrm dz=\frac{\ln2}2\int_0^2\int_0^\pi\mathrm d\theta\,\mathrm dz=\boxed{\pi\ln2}$