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Ilia_Sergeevich [38]
3 years ago
8

Find the values of X and Y

Mathematics
1 answer:
Nadya [2.5K]3 years ago
4 0
They are vertical angles so you need to make the following equal

7y=5y+36 and 3x-21=2x+4

Solve for y and then x

7y=5y+36

Subtract 5y on both sides to get

2y=36

Then divide by 2 on both sides to Get y=18

For 3x-21=2x+4,

Subtract 2x on both sides to obtain

x-21=4

Then add 21 to both sides to get

x=25

Hope this helps!! Mark as brainliest!!!
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Hey how would you put this in a system equation and using the Elimination method. Thank you❤
denpristay [2]

\bf \begin{cases}
t=tacos\\
m=milk
\end{cases}~\hspace{7em}
\begin{cases}
\stackrel{1~taco}{t}+\stackrel{1~glass}{m}=\stackrel{\$}{2.10}\\[0.8em]
\stackrel{2~tacos}{2t}+\stackrel{3~glasses}{3m}=\stackrel{\$}{5.15}
\end{cases}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
\begin{array}{llll}
t+m=2.10&\stackrel{multiplied~by}{\times -3}\implies &\stackrel{notice}{-3t\stackrel{\downarrow }{-3m}=-6.3}\\[0.8em]
2t+3m=5.15&\implies &~~2t+3m=5.15\\
\cline{3-3}
&&-t+0m=-1.15
\end{array}
\\\\[-0.35em]
~\dotfill


\bf -t=-1.15\implies t=\cfrac{-1.15}{-1}\implies \blacktriangleright t=1.15 \blacktriangleleft
\\\\\\
\stackrel{\textit{and now substituting on the 2nd equation}}{2(1.15)+3m=5.15}\implies 2.3+3m=5.15
\\\\\\
3m=2.85\implies m=\cfrac{2.85}{3}\implies \blacktriangleright m=0.95 \blacktriangleleft


notice, we used -3 in the multiplication to <u>eliminate</u> the m's.

6 0
3 years ago
Read 2 more answers
A 9230-kg truck collides head on with a 1250-kg parked car. The vehicles entangle together and slide a linear distance of 10.6 m
Helen [10]

Answer:

=>By the work energy relation:-

=>W = ∆KE

=>Ff.s = 1/2(M+m)v^2

=>µk x N x s = 1/2(M+m)v^2

=>µk x (M+m) x g x s = 1/2(M+m)v^2

=>v = √[2µkgs]

=>v = √[2 x 0.82 x 9.8 x 10.6]

=>v = 13.05 m/s

By the law of momentum conservation:-

=>Mu = (M+m)v

=>9230u = (9230+1250) x 13.05

=>u = 14.82 m/s

Step-by-step explanation:

3 0
3 years ago
What is the answer for 973=0.973
miss Akunina [59]
973/1000=0.973 thousands
7 0
3 years ago
Parallel lines l,m, and n are shown. If line l is mapped to line m and line m is mapped to line n, what is true for the transfor
Fiesta28 [93]

Answer:

U need to upload a picture

3 0
3 years ago
A flagpole casts a shadow that is 12 ft long. A 6-ft tall man casts a shadow
Vikentia [17]

Answer:

9ft

Step-by-step explanation:

Since the triangles are similar, the corresponding sides are proportional.

Let the height of the flag pole be x feet.

\frac{x}{6}  =  \frac{12}{8}

We multiply both sides by 6 to get:

x =  \frac{12}{8}  \times 6

We reduce the fraction to get:

x =  \frac{3}{2}  \times 6

We now simplify

x = 3 \times 3

x = 9ft

4 0
3 years ago
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