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myrzilka [38]
3 years ago
10

A triangle has a angle of x, 40 and 30 what is the angle of x

Mathematics
2 answers:
skad [1K]3 years ago
6 0

Answer:

x = 110

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180° , then

x + 40° + 30° = 180°

x + 70° = 180° ( subtract 70° from both sides )

x = 110°

kompoz [17]3 years ago
3 0

Sum of interior angles of a triangle = 180°

x+40+30= 180°

x+ 70=180

x= 180-70

x= 110°

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AVprozaik [17]

let's recall Cavalieri's Principle, <u>solids with equal altitudes and cross-sectional areas at each height have the same volume</u>, so even though this cylinder is slanted with a height = x and a radius = 8, the cross-sectional areas from the bottom to top are the same thickness and thus the same area, so its volume will be the same as a cylinder with the same height and radius that is not slanted.

\bf \textit{volume of a cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\ \cline{1-1} r=8\\ h=x\\ V=768\pi \end{cases}\implies 768\pi =\pi (8)^2(x)\implies 768\pi =64\pi x \\\\\\ \cfrac{768\pi }{64\pi }=x\implies 12=x

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3 years ago
10) If two angles in a triangle measure 53 degrees and 45 degrees, what is the value of the
pshichka [43]

Answer:

d

Step-by-step explanation:

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3 years ago
You can buy 5 cans for green beans at the Village Markets for $3.70. You can buy 10 of the same cans of beans at Sam’s Club for
mihalych1998 [28]

The place with the best buy between village market and Sam's club is Sam's club at $0.59 per can.

<h3>Unit rate</h3>

Village market:

  • Green beans = 5 cans
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Unit rate = Total cost / green beans

= 3.70 / 5

= $0.74 per can

Sam's club:

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Unit rate = Total cost / green beans

= 5.90/10

= $0.59 per can

Therefore, the place with the best buy between village market and Sam's club is Sam's club at $0.59 per can.

Learn more about unit rate:

brainly.com/question/4895463

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1 year ago
Yesterday it took 40 minutes to drive to school. Today is took 32 minutes to drive to
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Answer:

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Step-by-step explanation:

To find the percent decrease, we do old number subtracted from the new numbers over old.

We do

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8/40

In percentage form it would be 20%

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3 years ago
9. x + 5y = 0
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there are 5 solutions. Or 4

8 0
2 years ago
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