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3 years ago

Find the slope of the line through (3, - 4) and (5, 4) .

Mathematics

1 answer:

lubasha [3.4K]3 years ago

7 0

The slope between these two points is 1/7.

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Please simplify.

vladimir2022 [97]

Answer:

$\large\boxed{A.\ y^3}$

Step-by-step explanation:

$\text{Use}\ \dfrac{a^m}{a^n}=a^{m-n}\\\\\dfrac{y^{10}}{y^7}=y^{10-7}=y^3$

$\text{Other method:}$

$\text{We know:}\ a^n=\underbrace{a\cdot a\cdot a\cdot...\cdot a}_{n}\\\\y^{10}=\underbrace{y\cdot y\cdot y\cdot y\cdot y\cdot y\cdot y\cdot y\cdot y\cdot y}_{10}\\\\y^7=\underbrace{y\cdot y\cdot y\cdot y\cdot y\cdot y\cdot y}_7}$

$\dfrac{y^{10}}{y^7}=\dfrac{y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup\cdot y\cdot y\cdot y}{y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup\cdot y\!\!\!\!\diagup}=y\cdot y\cdot y=y^3$

7 0

3 years ago

Read 2 more answers

B is the midpoint of AC, AB = 3x - 8 and BC = x + 4. Find AB

3241004551 [841]

Since b is the midpoint BC is half the line so we can set up this equation

x+4+X+4=3x-8

and then solve like normal

2x+8=3x-8

16=x

once you have x then solve x+4

16 + 4 =20

AB is 20

8 0

3 years ago

This is Simple Interest Ration and percent 7 grade please help

Scrat [10]

The total to be paid is 909.5.
You must do 7% of 850 which is 59.5 and add it to 850 which is 909.5

3 0

3 years ago

A bag contains Red, Green and Yellow balls. A ball is taken at random from the bag. The probability that it is Red is 0.35 and t

EleoNora [17]

Answer:

0.25

0.65

Step-by-step explanation:

Looking at the question, we can see that we were not given the probability of selecting a yellow ball.

Hence the probability of this is;

1-0.35-0.4 = 1-0.75 = 0.25

The probability that the selected ball is yellow is 0.25

The probability that it is not red means it is either yellow or green

What this means is that we add the probability of yellow to the probability of green

= 0.25 + 0.4 = 0.65

5 0

3 years ago

Kelly has 236 feet of fence to use to enclose a rectangular space for her dog. She wants the width to be 23 feet. Select the cor

Setler [38]

Answer:

Length = x feet = 95 feet

Step-by-step explanation:

The labeled triangles are not included in the question, therefore, I will calculate the length of the rectangular space for Kelly's dog

Perimeter of a rectangle = 2(length + width)

Perimeter of a rectangle = 236 feet

Width = 23 feet

Length = x feet

Perimeter of a rectangle = 2(length + width)

236 = 2(x + 23)

236 = 2x + 46

236 - 46 = 2x

190 = 2x

x = 190/2

x = 95 feet

Length = x feet = 95 feet

7 0

3 years ago