Stephan is planning a hiking trip at Kings Canyon National Park. He plans to hike 14 miles every 2 days. If he hikes 42 miles, how many days will he hike?

Answers

Answer 1

Answer: Well for THIS one you'd have to find how many miles he hikes in ONE day, so you would divide 14 by 2 to get 7 miles per day, and to find how many days he hiked in 42 miles, just divide 42 divided by 7 which equals 6, so it took him 6 days to hike 42 miles. =)
I hope I helped! =D

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A number increased by seven is 15

Answers

Answer:

The number is 8.

To solve this equation, we can set it up as follows:

Let x be the unknown number.

The equation "A number increased by seven is 15" can be written as:

x + 7 = 15

Now, to find the value of x, we need to isolate it on one side of the equation. We can do this by subtracting 7 from both sides of the equation:

x + 7 - 7 = 15 - 7

On the left side, the +7 and -7 cancel out, leaving us with just x:

x = 15 - 7

Now, simplify the right side of the equation:

x = 8

So, the unknown number is 8.

To write the expression, I'll follow these steps :

↠ First, I am going to choose a letter that will represent my number.

↠ Then I'll plug it into the expression, and write the rest.

STEP ONE

I'll choose d for my number.

STEP TWO

We now have : d increased by 7 is 15, which is the same thing as d + 7 = 15.

To find d, subtract 7 from both sides :

d = 15 - 7 = 8

Therefore, d = 8.

Help! please give steps :) thanks 20pts

Answers

26.
period=4
max=3
min=-3

27:
p=8
max=5
min=0

28:
p=8
max= 4 (twice)
min=-4 (twice)

Hope this helps.

Hello,
26.
period=4
max=3
min=-3

27:
p=8
max=5
min=0

28:
p=8
max= 4 (twice)
min=-4 (twice)

Find -x when x = 80 /49 what is the answer and explain please

Answers

All you do is add a negative sign to 80/49 and then simplifiy

In 1990 retail sales at bookstores were about $7.4 billion. In 1997 retail sales at bookstores were about $11.8 billion. Write a linear model for retail sales s (in billions of dollars) at bookstores from 1990 through 1997. Let T represent the number of year since 1990. Then estimate the retail sales at bookstores in 2012.

Answers

hopefully this helps you and gives you insight in how to solve the problems from now on (:

= $11.8 + (2012-1997)([$11.8-$7.4][1997-1990])

= $11.8 + 5 ($4.4/7)

= $11.8 4/5 + $22/7

= $59/5 + $22/7

= $413/35 + $110/35

= $523/35 or $14 33/35

answer : SALES IN 2012 WOULD BE $14 33/35 BILLION OR $14.9 3/7

Final answer:

A linear model representing retail sales at bookstores from 1990 through 1997 is s(T) = 0.63T + 7.4. The estimated sales at bookstores in 2012 would be approximately $21.46 billion.

Explanation:

To solve this problem, we need to create a linear model. A linear model is a mathematical representation expressed as y = mx + b, where m is the slope, and b is the y-intercept.

To determine the slope (m), we subtract the ending value of retail sales from the starting value and divide by the number of years. So, subtract $7.4 billion (sales in 1990) from $11.8 billion (sales in 1997) and divide by 7 (the number of years from 1990 to 1997): (11.8 - 7.4) / 7 = 0.63. So, m = 0.63.

The y-intercept (b) is the value of y when x = 0. In this model, this corresponds to the sales in 1990, because x is the number of years since 1990, and 'x = 0' therefore corresponds to the year 1990. So, b = $7.4 billion.

The final linear model for retail sales at bookstores from 1990 through 1997 is s(T) = 0.63T + 7.4.

To estimate the retail sales at bookstores in 2012, we plug T = 22 (because 2012 is 22 years after 1990) into our linear model: s(22) = 0.63*22 + 7.4 ≈ $21.46 billion. So, the estimated retail sales in bookstores in 2012 were about $21.46 billion.

Learn more about Linear Models here:

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15 sweets are shared equally between 5 boxes.a) How many sweets will there be in each box?
b) Ali takes all of the striped pink boxes. How many sweets does Ali get?

Answers

Step-by-step explanation:

a) 15 sweets / 5 boxes = 3 sweets per box

b) need more information

There are 13 fish in an aquarium. seven of the fish are guppies. how many non-guppies are in the aquarium

Answers

The answer for this question is 6.

There are 6 non-guppies in the aquarium

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