2 years ago

What angles are they

Mathematics

1 answer:

Doss [256]2 years ago

3 0

Answer:

option d. vertical opposite angle

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A plumber charges $50 to make a house call. He also charges $25 per hour for labor. If the bill from the plumber is $162.50.

blsea [12.9K]

4.5 hrs because 162.50-50 = 112.50
112.50/25= 4.5

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3 years ago

Combing like terms? 4(1.75y-3.5)+1.25y

neonofarm [45]

First you gotta distribute.
4 (1.75y - 3.5) + 1.25y
4 * 1.75 y = 7
4* (-3.5) = (-14)

7y - 14 + 1.25y
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8.25y - 14

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3 years ago

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Zoey read a novel in 30 days she made it a habit to read 13 pages everyday for the first 20 days. if in the last 10 days she rea

Elden [556K]

Answer:320

Explanation:

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Total for the 30 days:
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2 years ago

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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

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

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3 years ago

1. Find the midpoint of AB<br> given A(-3, -4) and B(1,6)

emmainna [20.7K]

Answer:

-1,1

Step-by-step explanation:

because if you plot the points that is half.

7 0

3 years ago

What angles are they ​

What angles are they