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4 years ago

A star track runner ran 315 feet in nine seconds. What was his average speed in feet per second?

Mathematics

1 answer:

Burka [1]4 years ago

3 0

315 / 9 = 35
35 feet per second

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What is the coefficient of the variable in the expression 6 - 4x - 8 + 2?

Lana71 [14]

The answer is -4. The coefficient of a variable is the numerical value directly in front of the variable.

4 0

3 years ago

In a race in which six automobiles are entered and there are not ties, in how many ways can the first four finishers come in?

elixir [45]

your answer would be
6 ways for 1st place
5 ways for 2nd place
4 ways for 3rd place
3 ways for fourth place
and in total there are 360 ways in total.
(6*5*4*3=360)

8 0

3 years ago

What formula do you use to find the circumference of a circle given the diameter of the circle ?

notsponge [240]

Answer:

pi x diameter

Step-by-step explanation:

To find the circumference of any given circle, multiply the radius by 2 to get the diameter, and then the diameter by pi (3.14)

3 0

3 years ago

What is the solution to the inequality lx-4l< 3? –7 < x < –1 1 < x < 7 x < –7 or x < –1 x > 1 or x <

lidiya [134]

$1$

So, Option B is correct.

Step-by-step explanation:

We need to solve the inequality: $|x-4|< 3$

Solving:

$|x-4|< 3$

The absolute rule says that if |u|<a and a>0, then -a<u<a

So, applying absolute rule:

$|x-4|< 3\\-3$

We can write it as:

$x-4>-3\,\,and\,\,x-4-3+4\,\,and\,\,x1\,\,and\,\,x$

Combining the intervals:

$1$

So, Option B is correct.

Keywords: Solving inequalities

Learn more about Solving inequalities at:

#learnwithBrainly

5 0

3 years ago

Read 2 more answers

Solve 5t= 150 by using an inverse operation

Taya2010 [7]

Answer:

T=30

Step-by-step explanation:

1) inverse mean opposite, so they want us to solve this equation using the opposite operation

So we can see here that 5 is being multiplied with t, so we should perform the opposite operation, division.

5t=150

(divide both sides by 5)

T=30

Hope this helps

5 0

3 years ago