Graph the line for this problem: y=3x+6

Answers

Answer 1

Answer: $y=3x+6\n\nfor\ x=0\to y=3\cdot0+6=6\to A(0;\ 6)\n\nfor\ x=-2\to y=3\cdot(-2)+6=-6+6=0\to B(-2;\ 0)$

Answer 2

Answer: $y=3x+6 \n \nx=0 \n \ny=3*0+6\n \ny=6 \n \nA(0,6)$

$y=0 \n \n0=3x+6\n \n3x=-6/:3\n \nx=-2 \n \nB(-2,0)$

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It takes 12 hours to clean the windows of a certain office building. During the first day of cleaning, the workers were able to clean for 9 hours. If the variable t stands for the amount of time the workers have left to clean the windows, which of the following choices is the most reasonable value for t?A. 3 hours B. 1 hour C. 30 hours D. 20 hours
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The lee family buys a new car that has a sales price of 35,000. If the car dealer requires minimum down payment of 15% what is the minimum down payment the lees must pay for their car?

Answers

Answer:

$5,250

Step-by-step explanation:

The less must pay a minimum down payment that is equivalent to 15% the sales price of the new car.

Given that the price of the new car is $35,000, the product of 15% with this amount will equal the down payment.

As such, the down payment

= 15% * $35,000

= 0.15 * $35,000

= $5,250

Answer:5250.00

Step-by-step explanation: percents are a multiplication so 35,000×15=5250.00

If you work 8 hours per day, how long would it take you to build 10 doghouses?

Answers

The question is asking to state the duration that would it take you to build 10 doghouse if you work 8 hours per day, base on my research and further analysis, I would say that the answer would be 60 hours, because 6 hours is one dog house. I hope you are satisfied with my answer and feel free to ask for more

6) A student scored an 88, S2, and 76 on three math tests. What does the student need to get on the fourth test to have an average of 85 for all four tests? James wants to use algebra to solve this problem. Which equation should he use? 256 4x 85 256 x 85 85 x 256 256 85x

Answers

Equation B.
The average of the sum of the existing 3 scores plus the score of the new test should equal 85.

To solve this, multiply both sides by 4 and subtract 256. The student needs an 84 in order to have an average of 85.

A ball is thrown horizontally with a speed of 10 m/s, from the edge of the top of the building of height 19.6m, and later strikes the ground.1) For how long was the ball in the air?
2)what is the vertical component of the velocity just before the ball strikes the ground?
3) what is the horizontal component of the velocity just before the ball strikes the ground?
4)how far from the base of the building did the ball strike the ground?
5) what is the speed of the ball just before it strikes the ground?

Answers

1) You need to solve t - $19.6=.5(9.8)t^2$
2) Then solve f $vf^2=2(9.8)(19.6)$
3) As it's constant it is still 10m/s
4) You need to use the time from part 1 times 10m/s
5) Use Pythagorean theorem with 10m/s and vf

I am pretty sure it will help you.

If cosx=1/12 and sinx>0 find tan2x

Answers

$cosx=(1)/(12)\n\nsin^2x+cos^2x=1\n\nsin^2x+\left((1)/(12)\right)^2=1\n\nsin^2x+(1)/(144)=1\n\nsin^2x=1-(1)/(144)\n\nsin^2x=(144)/(144)-(1)/(144)\n\nsin^2x=(143)/(144)\n\nsinx=\sqrt(143)/(144)\n\nsinx=(√(143))/(12)$

$tan2x=(sin2x)/(cos2x)\n\nsin2x=2sinxcosx;\ cos2x=cos^2x-sin^2x\n\nsin2x=2\cdot(√(143))/(12)\cdot(1)/(12)=(2√(143))/(144)\n\ncos2x=\left((1)/(12)\right)^2-\left((√(143))/(12)\right)^2=(1)/(144)-(143)/(144)=-(142)/(144)\n\ntan2x=(2√(143))/(144):\left(-(142)/(144)\right)=-(2√(143))/(144)\cdot(144)/(142)=-(√(143))/(71)$

For which equation is x = 6 the solution?2x = 8
6x = 66
8x = 56
9x = 54

Answers

Just insert 6 into x then multiple it out and see if it matches right side of the equation.

The answer is D, 9x = 54, since 9×6 = 54.

Answer:

D 9x=54

Step-by-step explanation:

just look at it as 9times6=54 .

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