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Anna71 [15]
3 years ago
15

Plz help 8th keystone

Mathematics
2 answers:
frutty [35]3 years ago
8 0

Answer:

LOL ITS 110 LOL

Step-by-step explanation:

seropon [69]3 years ago
5 0

Answer:

Step-by-step explanation: its 70 because 110 -180 equals to 70. One line equals 180 degrees.

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What is the value of x?
blsea [12.9K]
Since these are supplementary angles  (two angles which sum to 180°) we can say:

4x+x=180  combine like terms on left side

5x=180  divide both sides by 5

x=36°
3 0
3 years ago
Suppose that a cyclist began a 476
mojhsa [17]
Well, we know the cyclist left the western part going eastwards, at the same time the car left the eastern part going westwards

the distance between them is 476 miles, and they met 8.5hrs later

let's say after 8.5hrs, the cyclist has travelled "d" miles, whilst the car has travelled the slack, or 476-d, in the same 8.5hrs

we know the rate of the car is faster... so if the cyclist rate is say "r", then the car's rate is r+33.2

thus    \bf \begin{array}{lccclll}
&distance&rate&time\\
&-----&-----&-----\\
\textit{eastbound cyclist}&d&r&8.5\\
\textit{westbound car}&476-d&r+33.2&8.5
\end{array}\\\\
-----------------------------\\\\
\begin{cases}
\boxed{d}=8.5r\\\\
476-d=(r+33.2)8.5\\
----------\\
476-\boxed{8.5r}=(r+33.2)8.5
\end{cases}

solve for "r", to see how fast the cyclist was going

what about the car? well, the car's rate is r + 33.2
6 0
3 years ago
6-2x=2(15-x)<br> A. No solutions <br> B. -5<br> C. 5<br> D. All real numbers
andrezito [222]
6-2x=2(15-x)
distribute
6-2x=30-2x
add 2x to both sides
6=30
fasle

no solution
A is answer
5 0
2 years ago
Evaluate 6 squared - 9 / X when x equals 3
Hatshy [7]

Answer:

33 if evaluate means solve

3 0
2 years ago
Read 2 more answers
(7y^6z^4-4y^2)(-6yz^4)
rosijanka [135]
I dont lnow the awnser of that but good luck on that!
7 0
3 years ago
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