2 years ago

Can someone please explain this?...... ;-;

Mathematics

1 answer:

Serhud [2]2 years ago

6 0

Answer:

Okay I believe it would be c

Step-by-step explanation:

If I'm wrong I'm really sorry...

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For what values of x and y must ABCD be a parallelogram?

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Step-by-step explanation:

We know that vertically opposite angles of a parallelogram are equal .

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⇒ $3x^{\circ}=(4x-21)^{\circ} \ and \ 3y^{\circ}=(y+78)^{\circ}$

⇒ $3x^{\circ}-4x^{\circ}=-21^{\circ} \ and \ 3y^{\circ}-y^{\circ}=78^{\circ}$

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2 years ago

Diego says the expression 14−0.6t helps him understand this situation. In this situation, what does this expression represent, a

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Step-by-step explanation:

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3 years ago

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Nine more than 3 times a number is the same as 6 less than twice the number

Ludmilka [50]

Answer:

Step-by-step explanation:

Let the number = x

3x + 9 = 2x - 6 Looks like you are going to get something negative here.

Subtract 2x from both sides.

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x + 9 = -6

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Im having trouble with this question...

pav-90 [236]

Maybe measure the calculator with the yardstick?

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