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Nata [24]
3 years ago
5

Evaluate 10x^2y^-2 for x = –1 and y = –2a) 10(2)^0b) 2 1/2c) 40d) 5/8

Mathematics
1 answer:
timurjin [86]3 years ago
6 0
10x^2y^-2 = 10 x (-1)^2 x (-2)^-2 = 10 x 1 x 1/4 = 10/4 = 2 1/2
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A square has an area of 81 yd^2. what is the length of each side
lara31 [8.8K]

Answer:

9 yards

Step-by-step explanation:

A square has 4 equal sides, this means the 2 sides we will multiply to get the area are going to be the same. Since it says 81 yards squared and the shape is a square, we can do the square root of 81 which is 9.

7 0
3 years ago
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Write an equation of a line that is parallel to y = 3x – 5 and goes through the point (3, 1).
scoray [572]
Paralell means has same lsope
y=mx+b
m=slope

given
y=3x-5
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3 years ago
Plz help ASAP!!!!!!!!!!!
e-lub [12.9K]

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Step-by-step explanation:

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3 years ago
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Simplify the expression by combing all like terms x +2 + x + 2 + x
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Graph the function y = |8 - 2x| + 3. Which is a point on the function? (6.2, 7.4) (7.8, 11.2) (8.6, 6.8) (9.6, 7.3)
Fiesta28 [93]
For this case we have the following function:
 y = | 8 - 2x | + 3

 The first thing you should do is graph the function to see the behavior.
 When observing the graph (in the attached image) we observe that the following point belongs to the graph:
 (6.2, 7.4)

 To prove it, let's evaluate the point in the function:
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7.4 = l 8 - 12.4 l + 3

7.4 = l -4.4 l + 3

7.4 = 7.4
 The equation is fulfilled and therefore the point belongs to the graph.
 Answer:
 
(6.2, 7.4)
 
See attached image

8 0
2 years ago
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