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krok68 [10]
3 years ago
5

write an equation of the line that passes through (-4,2) and is parallel to 5x+y=8. Please put your answer in slope-intercept fo

rm
Mathematics
1 answer:
makvit [3.9K]3 years ago
5 0

Answer:


Step-by-step explanation:

rewrite the equation in slope intercept form

y =  - 5x + 8

so, the slope is -5

to find an equation parallel to 5x + y = 8, they must have the same slope. so you need to use the slope of 5x + y = 8 and the point (-4, 2)  to find the parallel line.

use the point-slope formula: y= mx +c

m= -5; x= -4; y= 2

2 = -5(-4) + c

2= 20 +c

-18 = c

the new equation in slope intercept form is y = -5x -18

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Can someone explain how to do these questions or show me how?
AleksAgata [21]
Check the picture below.

bear in mind that since we have a radical in the denominator, we'd rationalize the denominator to take it off the denominator.

3 0
3 years ago
Which expressionis equal to (-7x+5.1y)-(-9x+5.3y)
Furkat [3]

Answer:

The simplified expression for the given expression will be:

c. 2x-0.2y

Step-by-step explanation:

Given expression:

(-7x+5.1y)-(-9x+5.3y)

To simplify the expression.

Solution:

In order to simplify the expression, we will first remove the parenthesis by reversing the signs of the terms inside the parenthesis which lies after a negative sign out side the parenthesis.

<em>This is because negative multiplies to a negative to give a positive and negative multiplies to a positive to give a negative.</em>

So, we have:

⇒ -7x+5.1y+9x-5.3y

Combining like terms

⇒ -7x+9x+5.1y-5.3y

<em>The like terms can be evaluated as</em>

-7x+9x=2x

5.1y-5.3y=-0.2y

Thus, the simplified expression will be:

⇒  2x-0.2y

7 0
3 years ago
A cube has a volume of greater then 125 cm to the third power. What are the possible lengths of the side of that cube?
e-lub [12.9K]
Volume=legnthn times width times height
a cubes legnth=width=height
therefor
volume=legnth^3
volume is greather than 125
125<legnth^3
cube root both sides
5<legnth
th elegnth is anything greather than 5
an example of some numbers are
6,7,30,3240958049238043284023848239048023843,

6 0
3 years ago
Which bracelet has the highest portion of gold? Bracelet: ______
Tanya [424]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
46.8 divided by 1.2 equals
Furkat [3]

Answer: 39

Step-by-step explanation: We have to move the decimal one place to the right to make 1.2 a whole number, so 12. You do the same thing to 46.8, so you get 468. Then you divide from there. 12 can go into 46 3 times. 12 x 3 = 36. you subtract to get 10, then bring down your 8, to get a new number of 108. 12 can go into 108 9 times. 12 x 9 = 108. Then you have a remainder of 0. Your product is 39.

4 0
2 years ago
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