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Nikitich [7]
2 years ago
7

By selling a watch to Rahim, Ravi gainee Rs 50. Apurva bought the same watch from Rahim who sold at a loss of Rs 20. If Apurva p

aid Rs 760, frind the price at which Ravi had bought the watch.​
Mathematics
1 answer:
marta [7]2 years ago
5 0

730

bought at x

x + 50 - 20 = 760

x = 760 - 30 = 730

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What is the slope and the y intercept of the equation -5x+3y=15
Rina8888 [55]
Answer: the slope is 5/3 and the y-intercept is (0,5)
6 0
3 years ago
B) Which one of the following points lies on the line 2y = 5x - 3?
sergeinik [125]
Given the equation 2y = 5x - 3:

A way to find out which of the ordered pair options lie on the line is to substitute their coordinates into the equation.


A) (2, 5)
2y = 5x - 3
2(5) = 5(2) - 3
10 = 10 - 3
10 = 7 (False statement). this means that (2, 5) is not a solution to the given equation.

B) (6, 3)
2y = 5x - 3
2(3) = 5(6) - 3
6 = 30 - 3
6 = 27 (False statement). this means that (6, 3) is not a solution to the given equation.

C) (3, -6)
2y = 5x - 3
2(-6) = 5(3) - 3
-12 = 15 - 3
-12 = 12 (False statement). this means that (3, -6) is not a solution to the given equation.

D) (3, 6)
2y = 5x - 3
2(6) = 5(3) -3
12 = 15 - 3
12 = 12 (True statement). This means that (3, 6) IS a solution to the given equation.

E) (2, -5)
2y = 5x - 3
2(-5) = 5(2) - 3
-10 = 10 - 3
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Therefore, the correct answer is Option D: (3, 6).
7 0
2 years ago
This table gives a few (x,y) pairs of a line in the coordinate plane.
fomenos

Answer:

(-22,0)

explanation:

You subtract 10 from 8 and you get -2 and if you subtract 10 from -2 you get -12 so there for you are subtracting by 10 on the x-values so if you do -12 - 10 = -22 making your answer (-22,0).

Hope this helps (. ❛ ᴗ ❛.)

8 0
3 years ago
Factor to find the zeros of the function defined by the quadratic expression. −7x2 − 91x − 280
Mariulka [41]
There are no zeroes for an expression, only for equations.
Assuming equation to be
<span>−7x^2 − 91x − 280=0
-7(x^2+13x+40)=0
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by the zero product properties, 
x+8=0 => x=-8
or 
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3 0
3 years ago
Find the coordinates of the reflection: B (8,-1) is reflected over the y-axis
Stolb23 [73]

Answer:

good for u

Step-by-step explanation:

3 0
3 years ago
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