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3 years ago

PLEASE HELP ASAP

Mathematics

2 answers:

Dima020 [189]3 years ago

5 0

Answer:

I believe it is A.70

Step-by-step explanation: To find area multiply its height by its width.

oksano4ka [1.4K]3 years ago

3 0

Answer:

Step-by-step explanation:

need the length and height of the triangle on the left

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In triangle DEF, find m

marissa [1.9K]

You would have to share a picture or the details of this triangle in order for me to help

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2 years ago

What happens to the sign or signs of the coordinates when you reflect a point?

elena55 [62]

Part a: Reflecting a point across the x-axis, changes the sign of the y-coordinate.

Part b: Reflecting a point across the y-axis, changes the sign of the x-coordinate.

Part c: Reflecting a point across both the axes, changes the signs of both the coordinates.

Explanation:

Part a: Reflecting a point across the x-axis

The reflection is a transformation of a figure which represents a flip.

The rule for a reflection over the x -axis is given by

$(x, y) \rightarrow(x,-y)$

Hence, this represents the change of sign of the y-coordinate.

Thus, Reflecting a point across the x-axis, changes the sign of the y-coordinate.

Part b: Reflecting a point across the y-axis

The rule for a reflection over the y -axis is given by

$(x, y) \rightarrow(-x, y)$

Hence, this represents the change of sign of the x-coordinate.

Thus, Reflecting a point across the y-axis, changes the sign of the x-coordinate.

Part c: Reflecting a point across both the axes

The rule for a reflection across both the axes is given by

$(x, y) \rightarrow(-x, -y)$

Hence, this represents the changes the signs of both the coordinates.

Thus, Reflecting a point across both the axes, changes the signs of both the coordinates.

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2 years ago

A jar contains 8 marbles marked with the numbers 1 through 8 . You pick a marble at random. What is the probability of not picki

aniked [119]

7/8 Because there are (7 marbles that are not 8 / 8 possibilities).

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3 years ago

Read 2 more answers

Which number line model represents the expression -4+7.5?

Alex787 [66]

Answer:

Step-by-step explanation:

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2 years ago

A swimming pool measures 40 ft long by 20 ft wide. The pool is filled to a depth of 5 ft. Find the volume of the water in the po

madreJ [45]

Answer: 4,000 cubic feet

Step-by-step explanation:

Volume=LWH (Length times width times height, nay base times height)

V=40*20*5

V=40*20*5= 4000

Answer: 4,000 cubic ft.

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2 years ago