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svetlana [45]
3 years ago
12

Determine whether the ordered pair (6, 1) satisfies the equation y = 10 - 4x

Mathematics
1 answer:
Viktor [21]3 years ago
4 0
Plug in the point
1 = 10 - 4(6)
1 = 10 - 24
1 = -14, false
Solution: B
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Step-by-step explanation:

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On a number line ,1.42 would be located.choose all answer that make a true statement
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Is sin theta=5/6, what are the values of cos theta and tan theta?
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let's bear in mind that sin(θ) in this case is positive, that happens only in the I and II Quadrants, where the cosine/adjacent are positive and negative respectively.

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factorise the following 1. x²-2x+15.... 2. y²-19y+90​
Marta_Voda [28]

Answer:

1. x²-2x+15

This can't be factored, I've tried multiple ways now, but it just can't be factored.

2. y²-19y+90​

Let's factor y^2−19y+90

y^2−19y+90

The middle number is -19 and the last number is 90.

Factoring means we want something like

(y+_)(y+_)

Which numbers go in the blanks?

We need two numbers that...

   Add together to get -19

   Multiply together to get 90

Can you think of the two numbers?

Try -9 and -10:

   -9+-10 = -19

   -9*-10 = 90

Fill in the blanks in

(y+_)(y+_)

with -9 and -10 to get...

(y-9)(y-10)

Answer:

(y−9) (y−10)

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