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olchik [2.2K]
3 years ago
5

Write the equation of a line that is parallel to y=0.6x+3 and passes through the point (-3,-5)

Mathematics
1 answer:
faust18 [17]3 years ago
6 0

Answer:y=0.6x-3.2

Step-by-step explanation: The equation of a line is (y-y0)=m*(x-x0). The slope (m) of the original line is 0.6 and must be the same slope for the new line. y0 and x0 are the coordinates of a point where the line passes through. x0=-3 and y0=-5.

Doing the maths:

(y+5)=0.6*(x+3)

y=0.6x+1.8-5

y=0.6x-3.2

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Erica can paint her room 5 hours .If she had her friend Rachel help her , they can paint the room together in 3 hours .How long
LUCKY_DIMON [66]

Answer:

7 hours 30min

Step-by-step explanation:

Step one :

Given data

We are told that Erica can paint 1 room in 5hours

Her work rate is 1/5 room per hour

And also with the assistance of her friend they can paint 1 room in 3 hours

Hence their combined work rate is 1/3 room per hour

Step two

The combined work expression is

1/A+1/B=1/T

Where A=Erica's work rate

B=Rachael's work rate

T=combined work

1/5+1/B=1/3

1/B=1/3-1/5

1/B=5-3/15

1/B=2/15

B=15/2

B=7.5 hours

It will take Rachel 7 hours 30min to paint the room

4 0
3 years ago
Are the ratios 1 : 3 and 3 : 1 equivalent? Why or why not?
Rainbow [258]

Answer: no

Step-by-step explanation:

no. one is the fraction 1 / 3 and the other is the fraction 3 / 1

6 0
3 years ago
Manny finds a box of 350 postcards.He selects a random sample of 75 postcards and finds that 27 already have stamp on them. Pred
Whitepunk [10]

Answer:

126

Step-by-step explanatidivide 350 by 75 then multiply the answer by 27 and you get the answer that method works with most questions like this please give brainliest

5 0
3 years ago
ACT Geometry help! 20 points to best answer!
stich3 [128]

2j+3=3j-1\\ 3j-2j=3+1\\ j=4\\\\ 2\cdot4+3=11\\\\ l=4\cdot11=44 \Rightarrow \text{K}

4 0
3 years ago
Find the degree 9m^(2)+11m^(2)+2m^(2)<br> Ill give brainliest!
Morgarella [4.7K]

Answer:

The degree of this polynomial is 2.

Step-by-step explanation:

The degree of a polynomial is the highest of the degrees of the polynomial's monomials (individual terms) with non-zero coefficients. The degree of a term is the sum of the exponents of the variables that appear in it, and thus is a non-negative integer.

The given polynomial is:

9m^2+11m^2+2m^2

The only variable is m.

The power of m in all terms is 2.

So, the degree of this polynomial is 2.

5 0
3 years ago
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