2 years ago

Someone plz help me with #9

Mathematics

1 answer:

prohojiy [21]2 years ago

5 0

Use the point-slope formula y-y1=m(x-x1) to find the equation of the line.

Equation: y= 1/2x+5/2

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What is a solution to (x + 6)(x + 2) = 60?

Reika [66]

Solution of the equation $(x+6)(x+2)=60$ is x=4 and x=-12

Step-by-step explanation:

We need to solve the equation: $(x+6)(x+2)=60$

Solving:

$(x+6)(x+2)=60$

Multiplying terms on the left hand side

$x(x+2)+6(x+2)=60$

$x^2+2x+6x+12=60$

$x^2+8x+12=60$

$x^2+8x+12-60=0$

$x^2+8x-48=0$

Now factorizing:

$x^2+12x-4x-48=0$

$x(x+12)-4(x+12)=0$

$(x-4)(x+12)=0$

$(x-4)=0\,\,and\,\,(x+12)=0$

$x=4\,\,and\,\,x=-12$

So, solution of the equation $(x+6)(x+2)=60$ is x=4 and x=-12

Keywords: Solving Equations

Learn more about Solving Equations at:

#learnwithBrainly

5 0

2 years ago

A child takes a nap averaging three hours and get an average of 12 hours of sleep at night . Nap time and night time sleep can e

algol13

That should be all of them. Hope it helps

8 0

2 years ago

Whats the answer for 4 and 5? Please I need the answers ASAP.

olga nikolaevna [1]

Answer:

4. 6/15

Step-by-step explanation:

5. 5/3 is the an answer

8 0

2 years ago

Solve: X=4+(4x-4)

11111nata11111 [884]

Answer:

answer is 10

Step-by-step explanation:

3 0

3 years ago

Which of the following equations could be used to find the value of 3,550 ÷ 25?

fiasKO [112]

Answer:

<em>A is correct answer</em>

Step-by-step explanation:

$(3000 + 500 + 50) \div 25 \\$

$(3550) \div 25$

$= = > 3550 \div 25$

Thanks

Don't forget to tell the name of your country.

8 0

2 years ago