A hiker walked 12.8 miles from 9:00 am to noon. He walked an additional 17.2 miles from 1:00 pm. What is his average rate for the entire walk, miles per hour?

Answers

Answer 1

Answer: (12.8+17.2)/((12-9)+(6-1))
30/(3+5)
30/8
15/4
3.75mph
It's been awhile since I've done this type of math but I hope I got it right.

Answer 2

Answer: 3 miles per hour. Theres 4 hours between 9 am and 12 and another 6 from 1to 6.so ten hours. then 12.8 plus 17.8 thats 30 then 30 divided by ten is 3 miles per hour. Your welcome :)

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Find the unknown length. Round to the nearest tenth if necessary.
One less than the product of a number and 3 is 5 more than the number it self

2. The line BC in the figure above is the ___ of the cylinder.A. slant height
B. axis
C. altitude
D. vertex

Answers

Answer:

BC denotes the axis of the cylinder in the given figure.

Step-by-step explanation:

Given an oblique cylinder. It is three dimensional shape having sides not perpendicular to the base. it means it is leaning toward one side left or right as shown in figure below.

We have to determine what BC denotes.

Height is always perpendicular to the base so the given line BC is the axis of the cylinder . When there is a slant to the cylinder axis is also not perpendicular to the base.

Thus, BC denotes the axis of the cylinder in the given figure.

The line BC in the figure above is the AXIS of the cylinder.

Axis of the cylinder is the line formed by the centers of the bases of a cylinder.

How can I find the missing values to complete the table? I am a bit confused.

Answers

To find the missing values, find the slope of the equations. Since both equations are linear, we know that the slope is linear. We can find the slope of the equations by using the equation for slope.

Slope for Y1:
m = (y2 - y1) / (x2 - x1) = (11 - 15) / (-3 - -5) = -4 / 2 = -2

Therefore, for Y1, you can subtract 2 from each previous answer to fill in the column. So underneath 15 would be 13, then 11, then 9, etc.

Slope for Y2:
m = (y2 - y1) / (x2 - x1) = (-12 - -15)) / (-4 - -5) = 3 / 1 = 3

Therefore, for Y2, you can add 3 from each previous answer to fill in the column. So underneath -15 would be -12, then -9, then -6, etc.

H(n)=2n-5
Find h(-5)

Answers

Answer: h(-5) = -15

Step-by-step explanation:

h(-5)= 2(-5) -5

h(-5)= -10-5

Renata wins a $20 gift card to an online music site. After Renata purchases 16 songs, the gift card has a remaining balance of $0. Which equation represents the relationship between y, the remaining balance on Renata’s gift card, and x, the number of songs purchased?

Answers

$20 bought 16 songs
Therefore each song costs $20/16 = $5/4 = $1.25
So:
2 songs would cost 2 * $1.25
3 songs would cost 3 * $1.25
...
x songs would cost x * $1.25

Since Renata started with $20, then her balance (y) after buying x songs would be:

y = 20 - 1.25*x

The equation that represents the relationship between the remaining balance and the number of songs purchased is y = $20 - $1.25x.

What is the equation?

The first step is to determine the cost of one song.

Cost of one song = $20 / 16 = $1.25

Remaining balance = value of the gift card - (number of songs purchased x cost of one song)

y = $20 - $1.25x

To learn more about mathematical equations, please check: brainly.com/question/26427570

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Identify the percent of change as an increase or decrease. Then find the percent of change, rounding to the nearest tenth of a percent, if necessary.60 cars to 24 cars