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2 years ago

Bus Stop #2:

Mathematics

2 answers:

Yakvenalex [24]2 years ago

4 0

Answer:

✔ bus stop #2, by 6.5 minutes

Step-by-step explanation:

svet-max [94.6K]2 years ago

4 0

Answer:

Step-by-step explanation:

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This test is literally the death of me but can anyone help?

Neporo4naja [7]

Answer:

answer is b

Step-by-step explanation:

i hope this helps you

7 0

2 years ago

Read 2 more answers

Solve both by substitution method (algebra 2) and show work please -2x-7y=22 -7x-5y=-1

Alex17521 [72]

$\bf \begin{cases}
-2x-7y=22\\
-7x-5y=-1
\end{cases}\qquad \textit{let's solve the \underline{second one} for "x"}
\\\\\\
-7x-5y=-1\implies -7x=5y-1\implies x=\cfrac{5y-1}{-7}
\\\\\\
\boxed{x=\cfrac{1-5y}{7}}\impliedby \textit{now, let's substitute it in the \underline{first one}}
\\\\\\$

$\bf -2\left( \frac{1-5y}{7} \right)-7y=22\implies \cfrac{10y-2}{7}-7y=22
\\\\\\
\textit{now, let's multiply both sides by 7, to toss the denominator}
\\\\\\
7\left( \cfrac{10y-2}{7}-7y \right)=7(22)\implies 10y-2-49y=154
\\\\\\
-39y=156\implies y=\cfrac{154}{-39}\implies \boxed{y=-4}
\\\\\\
\textit{now, let's use that in the \underline{first one}}
\\\\\\
-2x-7(-4)=22\implies -2x+28=22\implies 6=2x\implies \cfrac{6}{2}=x
\\\\\\
\boxed{3=x}$

4 0

2 years ago

Question 3

sergeinik [125]

2x-6=12
+6 +6
2x=18
/2. /2

X=9

The answer is B

8 0

3 years ago

Read 2 more answers

Evaluate the expression -2.3=

hammer [34]

Answer:-2.3

Step-by-step explanation:

4 0

3 years ago

Find the distance between the points (13, 20) and (18, 8). 13 7 11

Lana71 [14]

Answer: 13

Step-by-step explanation:

See attached graph.

A third point (18,20) may be added to the two given points to form a right triangle with sides 5 and 12. The distance, x, between the original two points is given by x^2 = 5^2 + 12^2

x^2 = 25 + 144

X^2 = 169

x = 13

5 0

3 years ago