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Brut [27]
2 years ago
9

If x-2y=1 and 2x+3y=9 then what is x

Mathematics
1 answer:
yan [13]2 years ago
6 0
The first one is x=2y plus one.
The second one is

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Write an equation of the line in slope-intercept form: y-intercept of 2, x-intercept of 4
zvonat [6]

Answer:

\sf y=-\dfrac12x+2

Step-by-step explanation:

y-intercept is when x = 0, so (0, 2)

x-intercept is when y = 0, so (4, 0)

\sf slope=\dfrac{change\:in\:y}{change\:in\:x}=\dfrac{0-2}{4-0}=-\dfrac12

Slope-intercept form of linear equation:  \sf y=mx+b

(where m is the slope and b is the y-intercept)

Given:

  • \sf m=-\dfrac12
  • b = 2

\sf \implies y=-\dfrac12x+2

3 0
2 years ago
You just got a job a whataburger. You make $8 an hour. You are able to work 20 hrs a week. You plan on working for 1 year to sav
miskamm [114]

Answer:

Yes, you can buy the used car with $849.92 left over.

Step-by-step explanation:

20 hours per week for 52 weeks = 1040 hours

1040 hours at $8 = $8320 per year

FICA = 8320 x 0.0565 = $470.08

8320 - 470.08 = $7849.92

3 0
2 years ago
Write an equation for slope of -2/3 and y-intercept of 5
goldenfox [79]

Answer:

y=-2/3x+5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the unknown side length, x. Write your answer in simplest radical form.
Otrada [13]

Answer:

B (5 sqrt10)

Step-by-step explanation:

If the hypotenuse is 17, and a leg is 8, that makes the other leg equal to sqrt((17^2)-(8^2)) = sqrt(289-64) = sqrt(225) = 15.

Because you subtract 3 from the leg with length 8, that makes the smaller triangles leg 5. That makes the hypotenuse sqrt(5^2 + 15^2) = 5sqrt10

I'm guessing you typoed for B and meant 5sqrt10, so the answer is B

8 0
3 years ago
Read 2 more answers
The center of a circle represented by the equation (x + 9)2 + (y − 6)2 = 102 is
german
Anyways the center will be (-9;6)
7 0
3 years ago
Read 2 more answers
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