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Liula [17]
3 years ago
13

Cristobal takes 3 hours to wash 5 cars. At this rate, how many cars could he wash in 45 hours

Mathematics
1 answer:
aalyn [17]3 years ago
6 0
To solve this I would set up a proportion.
3/5=45/x
solve and you will get 15 cars
You might be interested in
I need help please thank u sm
gavmur [86]
K= 8. If you look at the pattern each x value is multiplied by 8 to give you the y value. You could also solve it by:

40=k5
40/5=k
8=k

you could do this with any of the x or y values and still end up with 8.
8 0
3 years ago
Solve the inequality 2x – 5 &gt; 7<br> a. x&gt;6<br> b. x &gt;12<br> c. x
julsineya [31]
You start with 2x -5>7 the you add five to both sides 2x-5+5>7 +5    2x.12  then divide both sides by 2 2x divided by 2 > and 12 divided by 2 and get x>6 
3 0
3 years ago
A snail moved 5 feet in 2 hours. How many feet will the snail move in 5 hours?
mamaluj [8]
The best way to do this is to set up a proportion

2       5
--- = ----
5       x

then cross multiply and divide

5 times 5=25/2=12.5

he would move 12.5 feet in 5 hours

I hope I've helped!
4 0
3 years ago
Write the equation of the line that passes through the point (3,5) and is perpendicular to the line y=3.
3241004551 [841]

Answer:

x = 3

Step-by-step explanation:

y = 3 is the equation of a horizontal line parallel to the x- axis.

A line perpendicular to it must therefore be a vertical line parallel to the y- axis with equation

x = c

where c is the value of the x- coordinates the line passes through.

The line passes through (3, 5) with x- coordinate 3 , thus

x = 3 ← equation of perpendicular line

6 0
4 years ago
3/4 + 1/2 write answer in mixed number in simplest form
Leni [432]
Explaintion

3/4 + 1/2 = 3/4 + 2/4 = 5/4 = 1 1/4
Answer:

1 1/4

Hope this helps
8 0
3 years ago
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