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r-ruslan [8.4K]
3 years ago
14

A model of a car is built with a scale of 1 inch : 4 feet. If the length of the model car is 2.7 inches, then the length of the

actual car is how many inches?
Mathematics
1 answer:
timofeeve [1]3 years ago
8 0

Answer:

10.8

Step-by-step explanation:

Just do 4 x 2.7

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70.63 + 4.7 (show ur work take a pic)
Lisa [10]

Answer:

75.33

Step-by-step explanation:

70.63

<u>+4.7     </u>

75.33

4 0
2 years ago
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Trains Two trains, Train A and Train B, weigh a total of 300 tons. Train Ais heavier than Train B. The difference of their weigh
Leona [35]

<em>Train A = 214 </em>

<em> Train B = 86</em>

<em>Hope I helped!!! ^^</em>

<em>_______________</em>

<em>列車A = 214 </em>

<em> 列車B = 86 </em>

<em>私が助けてくれたらいいのに!^ ^</em>

3 0
3 years ago
What is the square of 7
kkurt [141]
2.64575131106 I don’t know if you need to round the answer or not
6 0
3 years ago
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I need the set up and I'm solving for x, please help.
lawyer [7]
I think it is X equals 20 because there’s 180 degrees I a triangle and 100+40= 140 and you have e 40 remaining and since it’s 2x you do 40 divided by 2 which is 20 do the inverse to check
7 0
2 years ago
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←<br><br> How many solutions does this linear system have<br> y =<br> x+2<br> 6x - 4y = -10
defon

Answer:

This linear system has one solution.

Step-by-step explanation:

First equation: y = x + 2

Second equation: 6x - 4y = -10

Let's change the second equation in slope-intercept form y = mx + b.

<u>Slope-intercept form</u>

y = mx + b

m ... slope

b ... y-intercept

6x - 4y = -10

6x + 10 = 4y

\frac{6}{4}x + \frac{10}{4} = y

\frac{3}{2}x + \frac{5}{2} = y

If two lines have the <em>same slope </em>but <em>different y-intercept</em>, they are parallel - <u>system has no solutions</u>.

If two lines have the <em>same slope</em> and the <em>same y-intercept</em>, they are the same line and are intersecting in infinite many points - <u>system has infinite many solutions</u>.

If two lines have <em>different slopes</em> then they intersect in one point - <u>system has one solution</u>.

We see that lines have different slopes. First line has slope 1 and the other line has slope \frac{3}{2}. So the system has one solution.

You can also check this by solving the system.

Substitute y in second equation with y from first.

6x - 4y = -10

6x - 4(x + 2) = -10

Solve for x.

6x - 4x - 8 = -10

2x = -2

x = -1

y = x + 2

y = -1 + 2

y = 1

The lines intersect in point (-1, 1). <-- one solution

8 0
1 year ago
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