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Usimov [2.4K]
3 years ago
13

Serena was planning out her model railroad setup, and wants to be able to boast about it on her social media. She wants the cent

erpiece to be a scaled down version of Union Station, but wants to make sure she has enough space in her grandfather's basement. Her railroad is in N Scale, 1:160 (one foot on the model is 160 feet in real life). If Denver's Union Station is 495 feet long, how many inches long will the model be as a mixed number?​
Mathematics
2 answers:
stepan [7]3 years ago
8 0

Answer:

idk sorry

Step-by-step explanation:

DerKrebs [107]3 years ago
3 0

Answer:4

Step-by-step explanation:

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What is the equation of the line that is parallel to the given
Viefleur [7K]

Answer:

Any option that shares the same slope as the given line will be parallel to that line.

Step-by-step explanation:

I don't understand how your answers are laid out, so I can't give you the exact answer. But Slope-intercept form is y = mx +b, so any equation sharing the same slope (m), will be correct/parallel.

for example, if the given line is

y = 5x - 12

then the line

y = 5x + 23

will be parallel to y = 5x - 12.

The shared slope in this example is 5.

8 0
3 years ago
A line passes through the point. (4, -7) and has a slope of 5/2
blagie [28]

t p = through point

s = slope

y - y(t \: p) = (s) \times ( \: x - x(t \: p) \: ) \\

y - ( - 7) =  \frac{5}{2} \times (x - 4) \\

y + 7 =  \frac{5}{2} \times (x - 4) \\

y + 7 =  \frac{5}{2}x -  \frac{5 \times 4}{2} \\

y +7 =  \frac{5}{2}x -  \frac{20}{2} \\

Subtract both sides -7

y =  \frac{5}{2}x -  10 - 7 \\

y =  \frac{5}{2}x -   17 \\

And we're done....

♥️♥️♥️♥️♥️

6 0
3 years ago
To decrease an amount by 8 percent, what single multiplier would you use?
Alchen [17]
That's far more problems than I usually accept in a single question, but since you're new and obviously a beginner, I'll try to help. 

<span>To Increase an amount by 7% what single multiplier would you use </span>
<span>We want 7% more than 100% of the amount, so the multiplier is </span>
<span>(100% + 7%) = 107% = 1.07 </span>
<span>[Remember that "percent" means "per hundred," so we divide a percentage by 100 to get the numerical equivalent.] </span>

<span>To Decrease an amount by 7% what single multiplier would you use </span>
<span>We want 7% less than 100% this time, so the multiplier is </span>
<span>(100% - 7%) = 93% = 0.93 </span>

<span>5 ÷ 0.1 </span>
<span>= 50 </span>

<span>(To One Decimal Place) (0.3 x 2.8)Squared </span>
<span>[Notation: around here we usually write "squared" as ^2, where the ^ is an exponentiation sign.] </span>
<span>(0.3 x 2.8)^2 = 0.84^2 = 0.7056 </span>
<span>which is 0.7 when rounded to one decimal place. </span>

<span>6.38 + 4.52 ÷ 4.71 +9.53 </span>
<span>= 6.38 + (4.52 ÷ 4.71) + 9.53 [assuming operations in the usual order] </span>
<span>= about 6.38 + 0.96 + 9.53 </span>
<span>= 16.87 </span>

<span>Expand and Simplify </span>
<span>(x + 2)(x + 3) </span>
<span>= x^2 + 2x + 3x + 6 </span>
<span>= x^2 + 5x + 6 </span>

<span>Expand and Simplify </span>
<span>(x + 2)(x - 3) </span>
<span>= x^2 + 2x - 3x - 6 </span>
<span>= x^2 - x - 6 </span>

<span>x + 1 < 5 </span>
<span>x < 4 [subtracting 1 from both sides] </span>

<span>Make n the subject of the formula.... M=3n </span>
<span>3n = M </span>
<span>n = M/3</span>
5 0
3 years ago
Find the value of X and a missing angel in this triangle
shepuryov [24]

Answer:

x=175

Step-by-step explanation:

4 0
2 years ago
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Help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz 10 points
Dafna1 [17]

Answer:

C≈18.85

Step-by-step explanation:

have a nice day!

3 0
3 years ago
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