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Black_prince [1.1K]

2 years ago

13

On the same axes sketch andlabel graphs of lines with equations i ) y=8 ii

1 answer:

Setler [38]2 years ago

8 0

Answer:

Step-by-step explanation:

Hope this helps

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Noel and Casey both start at the same place. Noel walks due south and Casey walks due east. After some time has passed, Noel is

Dovator [93]

Answer:

2.04 miles per hour

Step-by-step explanation:

Given

Noel

$n_1 =6miles$

$r_1 = 2mph$

Casey

$c_1 = 8miles$

$r_2 =1mph$

Required

The rate at which the distance increases

Their movement forms a right triangle and the distance between them is the hypotenuse.

At $n_1 =6miles$ and $c_1 = 8miles$

The distance between them is:

$d_1 = \sqrt{n_1^2 + c_1^2}$

$d_1 = \sqrt{6^2 + 8^2}$

$d_1 = \sqrt{100}$

$d_1 = 10miles$

After 1 hour, their new position is:

New = Old + Rate * Time

$n_2 = n_1 + r_1 * 1$

$n_2 = 6 + 2 * 1 = 8$

And:

$c_2 = c_1 + r_2 * 1$

$c_2 = 8 + 1 * 1 = 9$

So, the distance between them is now:

$d_2 = \sqrt{n_2^2 + c_2^2}$

$d_2 = \sqrt{8^2 + 9^2}$

$d_2 = \sqrt{145}$

$d_2 = 12.04$

The rate of change is:

$\triangle d = d_2 -d_1$

$\triangle d = 12.04 -10$

$\triangle d = 2.04$

5 0

3 years ago

12-packs of skwunch Apple juice cost $3.00 after a 40% discount. Which equations would allow you to find the original price of t

exis [7]

0.4x=3
x=3/0.4
x=$7.50
7.5x.4=3

4 0

3 years ago

Lucy is on her way home in her car. Her drive is 18 miles long. She has finished one-third of the drive so far. How far has she

aksik [14]

Answer:

6 miles

Step-by-step explanation:

1/3 of 18 is 6 since 18 / 3 is 6

4 0

3 years ago

Read 2 more answers

Is - 11>-16 a true pr false statement

Elina [12.6K]

Answer:

True

Step-by-step explanation:

-11 is greater than -16

6 0

3 years ago

The price of a cup of coffee has risen to $2.40 today. Yesterday's price was $2.15. Find the percentage increase. Round your ans

grigory [225]

Answer:

11.6%

Step-by-step explanation:

(new - old)/(old) = 25/215 = .116 = 11.6%

7 0

3 years ago