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ollegr [7]
3 years ago
10

Help Me pleassssseee!!!

Mathematics
2 answers:
beks73 [17]3 years ago
7 0
You will plug in x and see if the y that it gives is the same as the pair
Y=x^2 -2
(5,21) 5×5=25-2=23 *no*
(-5,24) -5×-5=25-2=23 *no*
(-1,-1) -1×-1=1-2 = z1 *YES*
This is the answer (-1,-1)
(-2,6) -2×-2=4-2=2 *no*
Hope that helps :)
VMariaS [17]3 years ago
4 0
The answer to the question is -1,-1

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Write the equation of the line passing<br> through the point (2, -1) with a slope of -3.
Harman [31]

Answer:

Y=-3x+5

Step-by-step explanation:

3 0
3 years ago
What is the area of this question.
frez [133]
The area of a circle is \pi r^2, where r is the radius of the circle. The diameter of a circle is the length of a line that passes through the center of the circle and stops at the perimeter of circle. The radius of a circle is half the diameter. Divide the diameter by 2 to find the radius.
1. 2.8 m / 2 = 1.4 m
2 . \pi (1.2m)^2: Plug in the value we just found for r.
3. \pi 1.44m^2 : Use the order of operations (PEMDAS).
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7 0
3 years ago
Can some one help me.
jarptica [38.1K]

Answer:

The slope is 3

Step-by-step explanation:

m = rise/run

m = (y2 - y1)/(x2-x1)

points: (0,-5), (1,-2)

m = ((-5) - (-2))/ ((0) - (1))

m = (-5 + 2)/ (-1)

m = -3/-1

m = 3

4 0
3 years ago
Describe a method you can use to find the area of the following shape. Provide specific details in your answer, including coordi
Advocard [28]

There are a number of ways this can be done. One that is fairly simple is as follows.

Triangle ABC has base AC = 9 and height B to AC of 3 (found by counting squares). Thus its area is ∆ABC = (1/2)·9·3 = 13.5 square units.

Triangle ACF has base AC = 9 and height F to AC of 3, so will have the same area as triangle ABC, 13.5 square units.

Trapezoid CDEF has base CD of 6, base EF of 4 and height EF to CD of 6 (found by counting squares). Thus its area is CDEF = (1/2)(6 + 4)(6) = 30.

The total area of the entire figure is then

... ∆ABC + ∆ACF + CDEF = 13.5 + 13.5 + 30 = 57 square units.

7 0
3 years ago
What is the scale factor from the original design to the reduced design?
hodyreva [135]

The original is 5 cm, the reduced image is 2.5

2.5/5 = 0.5 = 1/2

The scale for the reduced image is 1/2

7 0
2 years ago
Read 2 more answers
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