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ehidna [41]
4 years ago
15

Simplify -(-7y+12) and explain

Mathematics
2 answers:
otez555 [7]4 years ago
8 0
Use the Distributive Property to Simplify. However, to make it easier, write out the equation like this. 
-1(-7y+12)
This makes it so it simplifies to 7y-12.
Gre4nikov [31]4 years ago
3 0
In front of the negative their is an invisible 1 and that invisible 1 is the one your going to do distributive property with and then get a positive 7 because a negative divided by a negative is a positive.Your going to do the same thing to the twelve and then your answer is going to be 7y-12
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3 years ago
I’ll give brainliest pls help
andrew11 [14]

Answer:

The slopes of WX and XZ

Step-by-step explanation:

The singular factor that determines if the parallelogram is a rectangle are the angles at the edges

Mathematically, we can only have a rectangle if there are four right angles with one right angle each at the edges of the rectangle

So, by having the slope of the sides forming the width and that which forms the length, we can deduce if what we have is rectangle given that the slopes will yield a perpendicular product

Hence, the slopes of WX and XZ can be calculated to show this

7 0
3 years ago
Pls pls help i will mark brainliest to whoever can answer it for me.
Luba_88 [7]

Answer:

The lateral surface is 120  in^2, which agrees with the third answer option of the list.

Step-by-step explanation:

Notice that the prism has 5 equal lateral faces, which are all rectangles of eight 6". The width of the prisms can be obtained by using the fact that the perimeter of the pentagon is 20", which gives a side length of 20/5 = 4 " which is the same as the with of the lateral rectangles.

Then the lateral area of the prism is:

Lateral area= 5 (6" x 4") = 5 (24) =  120 in^2

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3 years ago
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The equation would be y=11x+24
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3 years ago
What is j in the equation j divided -2 +7 = -12
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Answer:

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Read 2 more answers
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