2 years ago

Help me plz plz will mark branliest

Mathematics

1 answer:

Ksenya-84 [330]2 years ago

7 0

Step-by-step explanation:

On the first question, you would want to put the equation together. To find x you will put 2x+6=40. Subtract 6 on both sides and you will find your x value.

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Natali [406]

It would be C.228 am I right or wrong?

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2 years ago

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Sloutions to y=x-4<br> (6,3)<br> (4,0)<br> (3,-1)<br> (2,-4)

Keith_Richards [23]

I hope this helps you

A) x=6 y=3 3=6-4 3=2 false

B) x=4 y=0 0=4-4 0=0 true

C) x=3 y=-1 -1=3-4 -1=-1 true

D) x=2 y =-4 -4=2-4 -4=-2 false

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2 years ago

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Bess [88]

Non proportional you can see by the way the graph is

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2 years ago

Please help quick

Leto [7]

Answer:

x^2 = 9

Step-by-step explanation:

Both 3 and -3 are 9 when squared.

5 0

2 years ago

BRAINLIEST for the correct answer!

Vladimir [108]

Answer:

answer is A

Step-by-step explanation:

(3 $x^{2}$ +5x+1) ( $x^{2}$ −2x+4)

=(3 $x^{2}$ +5x+1)( $x^{2}$ +−2x+4)

=(3 $x^{2}$ )( $x^{2}$ )+(3 $x^{2}$ )(−2x)+(3 $x^{2}$ )(4)+(5x)( $x^{2}$ )+(5x)(−2x)+(5x)(4)+(1)( $x^{2}$ )+(1)(−2x)+(1)(4)

=3 $x^{4}$ −6 $x^{3}$ +12 $x^{2}$ +5 $x^{3}$ −10 $x^{2}$ +20x+ $x^{2}$ −2x+4

=3 $x^{4}$ − $x^{3}$ + 3 $x^{2}$ + 18x +4

4 0

3 years ago