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vichka [17]
4 years ago
7

What is the image of the point (0,9) after a rotation of 90° counterclockwise about the origin?

Mathematics
1 answer:
Yuri [45]4 years ago
4 0

Answer:

-9,0

Step-by-step explanation:

Counterclockwise in math most likely relates to something being negative mean while clockwise most likely relates to something being positive. So if were making a 90 degree turn counterclockwise(negative) then all we need to do is flip the x and y cordinants and make them negative to put it simply.

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In rectangle ABCD, AB=8 units and BC=15 units. Find BD
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Please answer thanks! Brainliest
dimaraw [331]

Answer:

D - T-H is negative

Step-by-step explanation:

So lets go through what we know:

M is on the left side of 0, so M is negative.

A is also one the left side of 0, so A is negative.

T is on the right side of 0, so T is postive

H is also on the right side of 0, so H is postive

Lets go through each answer and see if it is accurate or not:

The sum of M and H is postive.

With what we know, M is negative and H is postive.

Looking at the graph, we can see that M is farther to the left than H is to the right.

So this means that M is a larger negative than H is postive, meaning when we add them together, the answer will be negative, not postive.

Next we have the answer to A divided by H is negative

We know A is negative, and M also negative

Remember, a negative divided or multiplied by a negative is postive.

This is not what our answer states, as it says it should be negative.

So next off, we have the product of H and A is postive.

Product means multipication.

A is negative and H is postive

Since it is multipication, and we know a negative and postive make another negative, this would make it incorrect

The answer states it must be postive, but this is negative.

Finally we have the answer as T-H is negative.

We see that T is postive, and H is postive.

T is less than H is, so when you subtract H from T, you would get a negative.

So D is the answer

Hope this helps!

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3 years ago
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