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Karo-lina-s [1.5K]
3 years ago
6

Solve by elimination -10x+14y=10 -5x-7y=5

Mathematics
1 answer:
Ierofanga [76]3 years ago
6 0
I hope this helps you

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Find the product (3a4+4)2​
asambeis [7]

The result is

9

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16

The reason is the following:

The problem is an example of a notable product: "the sum multiplied by the diference is equal to the difference of squares", that is to say:

(

a

+

b

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⋅

(

a

−

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By applying this to our question, we obtain that:

(

3

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4

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⋅

(

3

a

+

4

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=

(

3

a

)

2

−

(

4

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9

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4 0
4 years ago
Read 2 more answers
Selena is planning a birthday party for her little sister at a local zoo. The price depends on the number of children that atten
pentagon [3]

Answer:

WHY TO A ZOO

Step-by-step explanation:

1. zoos keep animals in captivity when they shouldnt be

2. the animals didnt just walk up to a zoo and was like oh yea imma stay there they were forced to be in there

4 0
2 years ago
Sarah has 128 stickers. alex has 10 fewer stickers than sarah. how many stickers does Alex have.
ICE Princess25 [194]
That would mean that Alex has exactly 118 stickers.

5 0
3 years ago
Lisa's shop sells 5 quarts of ice cream each day. How much is this in pints?
Sergeeva-Olga [200]

Answer:

10

Step-by-step explanation:

We know there are 5 quarts.

There are 2 pints for each quart.

This can be though of as a ratio of:

2 : 1

There are 5 quarts, which is 5 times bigger than the ratio of 1.

So this means we need to mutliply both sides of the ratio by 5, to make the quarts equivelent to 5:

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So for every 5 quarts there are 10 pints.

Hope this helps!

8 0
4 years ago
Are the square root of x squared minus one?
Delvig [45]
The roots of this equation are 1 and -1. You can get this by factoring to the version below.

(x + 1)(x - 1) 
7 0
3 years ago
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