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Romashka [77]
2 years ago
10

Which expressions are equivalent?

Mathematics
2 answers:
Hunter-Best [27]2 years ago
8 0
3x - 7y and 7y + 3x bc they're interchangeable
lukranit [14]2 years ago
5 0

Answer:

3x -7y = -7y+3x

Step-by-step explanation:

3x is positive and   7y is negative

We can reverse the order

3x -7y = -7y+3x

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Use the Distributive Property to rewrite the expression. 9(y + 4)
Ulleksa [173]

Answer:

Answer would be 9y+36

Step-by-step explanation:

Because if you distribute the 9 inside the parenthesis, you'd get

9*y=9y and 9*4=36

so 9y+36

Hope my answer was helpful to you!

7 0
4 years ago
Mary is 5 feet tall and Alice is 1.6 meters tall. Who is taller? By how many inches?
8090 [49]

Answer:

Alice

Step-by-step explanation:

5 feet is approximately 1.5 meters so we can say Alice is taller than Mary by 10cm

6 0
3 years ago
Read 2 more answers
1. Change the given equation from general form to standard form,identify the vertex, focus, directrix,
Nuetrik [128]

Answer:

The answer is simply 9x

Step-by-step explanation:

2x2=4-16+16x+80+0=2+7=9x

5 0
3 years ago
Read 2 more answers
Select the choice that translates the following verbal phrase correctly to algebra:
PIT_PIT [208]
I think it will be w+15 because if you write 15w that means 15×w and the others don't make sense..
7 0
3 years ago
in parallelogram abcd angle b is a right angle determine whether the parallelogram is a rectangle if so by what property​
Digiron [165]

Answer:

If a parallelogram has at least one 90 degree angle then its opposite angle is equal and also = 90 degrees.  

The 2 remaining opposite angles add up to 180 degrees and since they must be equal, they must be 90 degrees each.

So, we have a quadrilateral with four 90 degree angles and is therefore a rectangle OR it could possibly be a square.

Step-by-step explanation:

8 0
3 years ago
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