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Alex73 [517]
4 years ago
11

Measure of missing angle ???

Mathematics
1 answer:
Anastasy [175]4 years ago
5 0

Answer:

b. 50°

Step by Step:

100+30+x=180

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Simplify: this problem please im confused
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Answer:

2.4

Step-by-step explanation:

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Students at Parkville Elementary go to school 6 hours a day. The sixth graders have 55 minutes for lunch and recess each day. Ex
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Cos^-1(cos 43°) <br> PLEASE HELP ME
yulyashka [42]

\:  \:  \:  \:  \:

=  \cos(1)  \cos(43°) \\  \\ in \:  \: alternate \:  \: form \:  \\  \\  = 0.395152

<h2 />

Step-by-step explanation:

\cos( - 1)  ( \cos(43°))

  • <u>simplify</u><u> the</u><u> expression</u><u> </u><u>us</u><u>i</u><u>Ng the </u><u>symmetry</u><u> of</u><u> </u><u>trigonometry</u>

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4 0
3 years ago
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Write the standard form of the equation of the line described
tiny-mole [99]
Hello!

First you have to find what y is at when x is -3 in the first equation

y = 5/3(-3) + 2

y = -3

A point of the original line is (-3, -3)

The line we want has to go up 2

To do this we add 2 to the y-intercept part of the equation

y = ? + 2 + 2

Since the line is parallel it has the same slope

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Hope this helps!
8 0
4 years ago
Two last help with math please and thanks!
12345 [234]
1st problem:
Use the Pythagorean theorem:
a^2+b^2=c^2
49+361=c^2
c^2=410
c=20.24
The answer is 20m

2nd problem:
First calculate the height using the Pythagorean theorem:
a^2+b^2=c^2
20^2+b^2=625     (i got 20 {radius} by half-ing the base edge length)
400+b^2=625
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Next, solve for the volume:
V=a^2*h/3
V=40^2*15/3
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V=8000

The answer is the second choice or B.

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4 years ago
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