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Blababa [14]
3 years ago
6

If four tires can be changed in 3/4 of an hour gow long would it take to change 19 cars​

Mathematics
1 answer:
kobusy [5.1K]3 years ago
5 0

Answer:

14.25 hours

Step-by-step explanation:

Four tires = 3/4 of an hour

=> 1 car = 3/4 of an hour

=> 19 cars = ?

=> If 1 = 3/4

=> 19 = 3/4 x 19

=> 3/4 x 19

=> 57/4

=> 14.25 hours

So, it would take 14.25 hours for 19 car's tires to be changed.

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NISA [10]

Answer:

r = 0.01

Step-by-step explanation:

In order to find r we have to square both sides of the equation

0.1 =  \sqrt{r} \\  {0.1}^{2}  =  { \sqrt{r} }^{2}

The *square root* sign cancels out the *squared* sign therefore:

{0.1}^{2}  = r \\ 0.01 = r

6 0
2 years ago
When the coordinates (1, 1), (4, 4), (7, 1), and (4, −2) are joined, which shape is formed? (5 points)
Citrus2011 [14]

well, if we try to plot and conect them, we will get square, so the answer is d

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3 years ago
What is the value of b2 - 4ac for the following equation? 5x2 + 7x = 6
shtirl [24]
B²-4ac? 

<span>5x²+7x-6 = 0 </span>
<span>the form is ax²+bx+c = 0 </span>

<span>a=5, b=7, c=-6 </span>


<span>The discriminant D = b²-4ac </span>
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5 0
3 years ago
Read 2 more answers
How many days are in a monthly billing cycle that ends on Feb. 13?
STatiana [176]

Answer:

31 days?

Step-by-step explanation:

There are 31 days from Janurary 13 to Feburary 13.

8 0
3 years ago
Points A, B, and C are collinear. Point B is between A and C. Find the length of of segment AC if the measure of segment AB= 8 a
RoseWind [281]

Answer:

The value of the length of AC is 14

Step-by-step explanation:

When points are collinear, it simply means that the points lie on the same straight line.

In this question , we have three points which lie on same straight line.

These are points A, B and C with B between A and C.

Thus the length AC can be obtained by adding the length of AB to the length of BC

Mathematically, the value of the length of AC will be 8 + 6 = 14

7 0
3 years ago
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