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bogdanovich [222]
3 years ago
11

Guy decides to get in shape by running. The first day, he runs 1 mile in 12 minutes. Two months later he has decreased

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
5 0

Step-by-step explanation:

in two months

Decrease of 25%

so you need to do

25%*12 is 3 minutes

Find the difference from 12 minutes

12-3 is 9 minutes.

therefore, his mile time is 9 minutes in two months

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There are 6 numbers from 0 to 199 who have 3 factors. These numbers are:-

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  • 121(1,11,121)
  • 169(1,13,169).
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2 years ago
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What is 7(x + 3) please help meeeee PLEASE IM RUNNING OUT OF TIME
Gennadij [26K]

Answer:

The answer is 7x+21

5 0
3 years ago
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Thomas buys a cardboard sheet that is 12 by 8 inches. Create an equation for this situation, find the zeros, and sketch the func
Karo-lina-s [1.5K]
For the answer to the question above,

1. If we let x as the side of the square cut-out, the formula for the capacity (volume) of the food dish is:
V = (12 - 2x)(8 - 2x)(x)
V = 96x - 40x^2 + 4x^3
To find the zeros, we equate the equation to 0, so, the values of x that would result to zero would be:
x = 0, 6, 4

2. To get the value of x to obtain the maximum capacity, we differentiate the equation, equate it to zero, and solve for x.
dV/dx = 96 - 80x + 12x^2 = 0
x = 5.10, 1.57
The value of x that would give the maximum capacity is x = 1.57

3. If the volume of the box is 12, then the value of x can be solved using:
12 = 96x - 40x^2 + 4x^3
x = 0.13, 6.22, 3.65
The permissible value of x is 0.13 and 3.65

4. Increasing the cutout of the box increases the volume until its dimension reaches 1.57. After that, the value of the volume decreases it reaches 4.

5. V = (q -2x) (p - 2x) (x)
7 0
3 years ago
The question is in the picture I know it's solved but I'm not sure how to solve it
lyudmila [28]

The component of the cars velocity eastward is 14 m/s

A vector is an quantity that has both magnitude and direction.

Vector resolution is the method of separating a vector into its horizontal component as well as its vertical component.

The horizontal component of a vector is the influence of the velocity on the object horizontally.

Given that the velocity (V) = 24 m/s, the angle (θ) = 90° - 35° = 55°

Therefore:

Car velocity eastward (Vₓ) = Vcos(θ) = 24 * cos(55) = 14 m/s

The component of the cars velocity eastward is 14 m/s

Find more at: brainly.com/question/12526159

3 0
3 years ago
The measurement, y, varies directly with regard to another value, x. If y = 9 and x = 24, find x for y = 25. 9.4 50 66.7
ale4655 [162]

Answer:

<u>The correct answer is C. 66.7</u>

Step-by-step explanation:

1. y varies directly with regard to x

y = 9 and x = 24

If y = 25, what is the value of x?

2. For finding that value of x, first of all, we should understand what happened to y.

If y moves from 9 to 25 it means that y has been multiplied by 2.77, using this simple division

25/9 = 2.777

3. And we should use that same number or value to calculate the new value of x

If x was 24, now the new value of x is 24 * 2.777

24 * 2.777 = 66. 67 or 66.7 (rounding to just one decimal)

<u>The correct answer is C. 66.7</u>

4 0
3 years ago
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