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Fofino [41]
3 years ago
8

a car traveling at 30 m/s starts to decelerate steadily. it comes to a complete stop in 12 seconds. what is its acceleration?

Mathematics
1 answer:
creativ13 [48]3 years ago
5 0
Just divide -30 m/s (the change in velocity) by 12 seconds (the time required for the car to come to a stop):

-30 m/s
----------- = - 2,5 m / (sec)^2              (answer)
 12 sec
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Use a calculator or a square root table to approximate to the nearest thousandth
Vadim26 [7]

Answer:

- 13.077

Step-by-step explanation:

Here we have to calculate the square root of a certain number using the help of the calculator or a square root table.

The given expression is - \sqrt{ 171 }.

Now, using calculator \sqrt{ 171 } = 13.076696

Now,  - \sqrt{ 171 } = - 13.076696

So, approximate value to the nearest thousandth is - 13.077 ( Answer )

4 0
3 years ago
Andrea constructed a triangle. Angle 1 and 3 are the same size and angle 2 has a measurement of 70 degrees. What is the measurem
Verdich [7]

Answer:

Step-by-step explanation:

By triangle sum theorem,

Sum of all angles of a triangle is 180°.

m∠1 + m∠2 + m∠3 = 180°

(m∠1 + m∠3) + m∠2 = 180°

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2(m∠1) = 110°

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7 0
3 years ago
HELPP REAL ANSWERS ONLY, NO LINKS!!!!!!!!! Provide explanation for brainliest optional though. HURRY!!!!!!!
Darina [25.2K]

Answer:

25

Step-by-step explanation:

Okay we know the length is 5 inches if this is a square then the width is 5 inches as well. This is because 5 x 5 = 25

3 0
3 years ago
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What is the distance between -7.5 and -15.3 on a number line
timama [110]
Okay. To find the distance apart from each other, subtract 15.3 and 7.5. When you do that, you should get 7.8. -7.5 and -15.3 are 7.8 units away on a number line.
8 0
3 years ago
The ratio of blue skittles to red skittles in Tayler's bag is 3 to 4. If there are 20 red
adoni [48]

Answer:

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Step-by-step explanation:

Since Tayler has 20 red Skittles, and the ratio of blue skittles to red skittles is 3 to 4, that means that Tayler has 3/4 as many blue skittles as she does red skittles. 3/4 of 20 is 15

20 + 15 = 35

Thus, Tayler has 35 skittles

SHKITTLES lol

6 0
2 years ago
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