Please help with this question

Mathematics

2 answers:

insens350 [35]3 years ago

8 0

Answer:

alternate interoir

Step-by-step explanation:

Stella [2.4K]3 years ago

5 0

Answer:

alternate interior

Step-by-step explanation:

don't really know how to explains this one, it's just the definition of alternate interior angles: "angles on opposite sides of the transversal, in between two lines"

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2.2x+3y=15.25 <br>4.6x+2.1y=18.325<br>USING ELIMINATION<br>SHOW WORK PLEASE

Artist 52 [7]

-4.6(2.2x+3y=15.25) = -10.12x - 13.8y = -70.15

2.2(4.6x+2.1y=18.325) = 10.12x - 4.62y = 40.315

simplify

-4.62y = -29.835

divide both sides by -4.62 to isolate y

y= 6.46

2.2x + 3 (6.46) = 15.25

2.2x + 19.38 = 15.25

subtract 19.38 to both sides

2.2x = -4.3

divide 2.2 to both sides

x= -1.95

I hope that this helped :)

4 0

3 years ago

at a shop on times square three''I love NY'' shirts sell every 10 minutes for $19.95 each.Every 45 minutes on Yankee's hat sells

Marizza181 [45]

I believe the answer 30,164.4

you multiply 19.95 by 3 and you get 59.85
then you figure out how many hours are from 9 am to 9 pm which was 12 then you multiply that by 6 then you take 59.85 and multiply that by 72 then you multiply that by 7

5 0

3 years ago

Which equation can be used to solve for the rate, r, for Sam to change all the light bulbs in the office building by himself?

Bad White [126]

Answer:

$\frac{3}{r}+\frac{3}{8}=1$

Step-by-step explanation:

Given question is incomplete; here is the complete question.

Working together, Sam and Charlie can change all light bulbs in the office building in 3 hours. It would have taken Charlie 8 hours to do the job alone. Which equation can be be used to solve for the rate 'r', for Sam to change all the light bulbs in the office building by himself.

Let Sam can change the bulbs in the office alone in 'r' hours

Per hour work done by Sam alone = $\frac{1}{r}$