MATHEMATICS COLLEGE

A person on a moving sidewalk travels 6 feet in 3 seconds. The moving sidewalk has a length of 60 feet. How long will it take to move from one end of the sidewalk to the other?​​

Answers

Answer 1
Answer:

Answer:

Speed = distance / time

= 6/3 =2 ft/sec

Time = distance / speed

= 60/2

= 30 seconds

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Jessica's annual salary decreased by 3800, which was a 9% decrease. what was Jessica's original salary?​

An object is launched at 20 m/s from a height of 65 m. The equation for the height (h) in terms of time (t) is given by h(t) = -4.912 + 20t + 65. What is theobject's maximum height?

Answers

Answer:

The maximum height is the y-value of the vertex.

h(t) = -4.9t² + 20t + 65

     a=-4.9   b=20  c=65

h(2) = -4.9(2)² + 20(2) + 65

     = -19.6 + 40 + 65

     = 85.4

Step-by-step explanation:

Jack can long-jump 195% of his height with a running start. If Jack can long jump 97.5 inches, how tall is he? *

Answers

The Jacks height from the given situation is 49.08 inches.

Given that, Jack can long-jump 195% of his height with a running start.

What is percentage?

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

Let the height of jack be x.

So, 195% of x = 95.7

⇒ 195/100 × x=95.7

⇒ 1.95x=95.7

⇒ x=95.7/1.95

⇒ x=49.08 inches

Hence, the Jacks height from the given situation is 49.08 inches.

To learn more about the percentage visit:

brainly.com/question/24159063.

#SPJ2

Answer: 190

Explanation: Divide 97.5 from 195% and then round.

1 poitWhat is the equation of the line in slope-intercept form of the line passing
through (1, 4) and (6, -1)? *
O y = x + 5
O y = -x + 5
y = x-5
O y = -x-5
Send me a copy of my responses.

Answers

Answer:

Its y= -x+5

Step-by-step explanation:

see image

All eight companies in the aerospace industry were surveyed as to their return on investment last year. The results are in percent) 10.6, 12.6, 14.8, 18.2, 12.0, 14.8, 12.2, and 15.6. a. Calculate the range. (Round your answer to 1 decimal place.) Range %
b. Calculate the arithmetic mean. (Round your answer decimal places.)
c. Calculate the variance. (Round your answer to 2 decimal places.)

Answers

Answer:

a.) range- 6.2

b.) arithmetic mean- 13.85

c.) varience- 0.69

What is the area of the trapezoid shown?

Answers

Answer:

Answer is 74 square units

Step-by-step explanation:

I took the quiz.

Which of the following is the graph of (x + 1)2 + (y − 6)2 = 36?

Answers

Answer:

Step-by-step explanation:

Slope:  

−1

y-intercept:  

23
Heyy!:)
So
(X+1)2+(y-6)2=36

To Find x-intercept/zero substitute y=0
So it’s goin to be like this ;
(X+1)x2(0-6)x2=36


Solve the Equation for X
Answer;x=23 :)
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