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4 years ago

What is the slope of a line parallel to the line whose equation is y - x = 5? -1 1 5

Mathematics

2 answers:

elena-s [515]4 years ago

6 0

$the \ slope \ intercept \ form \ is : \\ \\ y= mx +b\\\\y - x = 5 \\ \\y=x+5 \\ \\ m=1$

lord [1]4 years ago

3 0

I believe the answer is 1

sorry if I'm wrong

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Susie has planned a trip to a city 60 miles away. She wishes to have an average speed of 60 miles/hour for the trip. Due to a tr

Nutka1998 [239]

Answer:

90 mi/h

Step-by-step explanation:

Given,

For first 30 miles, her speed is 30 miles per hour,

Let x be her speed in miles per hour for another 30 miles,

Since, here the distance are equal in each interval,

So, the average speed of the entire journey

$=\frac{\text{Average speed for first 30 miles + Average speed for another 30 miles}}{2}$

$=\frac{30+x}{2}$

According to the question,

$\frac{30+x}{2}=60$

$30+x=120$

$\implies x = 90$

Hence, she needs to go 90 miles per hour for remaining 30 miles.

7 0

3 years ago

Which expression is equivalent? −9(−2x − 3) A) 18x + 27 B) 18x − 27 C) −18x + 27 D) −18x − 27

german

If you expand -9(-2x-3) you get 18x+27 (a minus times a minus is a positive) so the answer is A.

6 0

4 years ago

Read 2 more answers

Calculate the average rate of change of f(x) = 1 x - x2 - 2 for 3 ≤ x ≤ 6. A) -163 18 B) -18 163 C) 163 18 D) 18 163

larisa86 [58]

To solve this we are going to use the average rate of change formula: $A(x)= \frac{f(b)-f(a)}{b-a}$
where
$A(x)$ is the average rate of change of the function
$f(a)$ is the position function evaluated at $a$
$f(b)$ is the position function evaluated at $b$
$a$ is the first point in the interval
$b$ is the second point in the interval

We can infer for our problem that the first point is 3 and the second point is 6, so $a=3$ and $b=6$ . Lets replace those values in our formula:
$A(x)= \frac{f(b)-f(a)}{b-a}$
$A(x)= \frac{f(6)-f(3)}{6-3}$
$A(x)= \frac{6-6^2-2-(3-3^2-2)}{3}$
$A(x)= \frac{-32-(-8)}{3}$
$A(x)= \frac{-32+8}{3}$
$A(x)= \frac{-24}{3}$
$A(x)=-8$

We can conclude that the average rate of change of the function f(x) = 1 x - x2 - 2 for <span>3 ≤ x ≤ 6 is -8</span>

3 0

3 years ago

Read 2 more answers

Help guys I really need this quick

djverab [1.8K]

Answer:

(0,2) (2,0)

Step-by-step explanation:

I think it will work

4 0

3 years ago

Read 2 more answers