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VMariaS [17]
3 years ago
11

Why is it necessary to learn how to factor if you can just use the quadratic formula to solve quadratic equations?

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
4 0
Because u might need it in the real world.
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Where y=5x-7 and -3x-2y=-12 Write your answer as x,y
Mariulka [41]

Answer:

(x,y) = (2,3)

Step-by-step explanation:

y=5x-7                  (i)

-3x-2y= -12          

-(3x+2y)= -12

3x+2y= 12            (ii)

By putting the value of y from (i) in (ii)

3x+2(5x-7)=12

3x+10x-14=12

13x=12+14

13x= 26

x = \frac{26}{13}

x= 2

By putting the value of x in (i)

y= 5(2)-7

y= 10-7

y= 3

(x,y) = (2,3)

5 0
2 years ago
A veterinarian in Camperville zoo needs to weigh the big bear. Which would be the most appropriate unit of measure?
Doss [256]

Answer:

Kilograms

Step-by-step

A meter is distance

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A cup is how much of something

3 0
2 years ago
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Help!!! f(x)=x+3 g(x) =7x+4
Tasya [4]

Answer:

8x+7

Step-by-step explanation:

8 0
2 years ago
I need help please help me , I don’t know the answer
AlladinOne [14]

Answer:

b = 4 inches, c = ~5.66 inches

Step-by-step explanation:

The triangle is isosceles so b is equal to the adjacent side. Use the Pythagorean theorem to find c.

8 0
2 years ago
Evaluate using Distributive property: [(-2/7)× (−4/9)] + [(-<br> 3/5)× (−4/9)]
crimeas [40]

Answer:

Step-by-step explanation:

[8/63] + [ 4/15 ]

= (120 + 652)/945

= 0.82

3 0
3 years ago
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