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2 years ago

What are the coordinates of vertex J of the pre-image?

Mathematics

1 answer:

Sophie [7]2 years ago

5 0

Answer:

(0, -4)

Step-by-step explanation:

J: (0, -2)

Since the equation: [(1/2) x, (1/2) y] was used to create the image, the opposite would create the answer.

x: (2) × 0 = 0

y: (2) × (-2) = -4

(0, -4)

I hope this helps!

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A student scored 66 points on his Psychology 101 midterm. If the average of his midterm and final must be between 78 and 90 incl

masha68 [24]

Answer:

range of scores on final exam student get B is 90 to 100

Step-by-step explanation:

given data

Psychology 101 score = 66

average of his midterm = between 78 and 90

maximum = 100 points

to find out

range of scores on final exam student get B

solution

we consider here lowest marks need in final = x

so average at two marks should be

equation is

average marks = 0.5 × ( mid term marks + final marks ) .................1

put here value

78 = 0.5 × ( 66 + x )

x = 90

and

90 = 0.5 × ( 66 + x )

x = 114

so range 90 to 114

but maximum marks is 100 so

range of scores on final exam student get B is 90 to 100

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3 years ago

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3 years ago

Please help!!

sveta [45]

For this case we have the following equation:
$d = \sqrt{\frac{3h}{2}}$
Where,
d: the distance they can see in thousands
h: their eye-level height in feet
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$d=\sqrt{3(24)}$
$d=\sqrt{72}$
$d=6\sqrt{2}$
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$d = \sqrt{\frac{3(85\frac{1}{3})}{2}}$
$d = \sqrt{\frac{256}{2}}$
$d=\sqrt{128}$
$d=8\sqrt{2}$
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Answer:
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3 years ago

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