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Pavel [41]
4 years ago
5

L=3x+6 W=3x^2 what’s the perimeter

Mathematics
1 answer:
Nady [450]4 years ago
8 0

Answer:

Step-by-step explanation:

the perimeter is : P = 2(L+W)

P= 2(3x+6+3x²)

P= 6x² +6x+12

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What is the x-intercepts of y= -2(x-3)[2]+2?
mrs_skeptik [129]

Answer: (x,y)=(14/4,0)

Step-by-step explanation:

y=-2(x-3)(2)+2

Clear the brackets

y=-2(2x-6)+2

y=-4x+12+2

y=-4x+14

To get the x-intercept y=0

0=-4x+14

4x=14

x=14/4

(x,y)=(14/4,0)

8 0
4 years ago
Read 2 more answers
Write an equation in slope intercept form for the line that has a y intercept of 3 and a slope of -2
charle [14.2K]

Answer:

-2x + 3

Step-by-step explanation:

Trust me, this is the answer.

An explanation:

Slope is rate of change.

if the lady sells 2 cakes in 3 hours, her rate of change, or slope is 2/3.

Y-intercept is where the data enters the graph. It will not always be at the origin of the graph. If on the lady's first day of business, she sold 10 cakes, the  Y-intercept is 10. This equation of the lady's business in slope intercept form would be 2/3x + 10. ALWAYS write the slope before x and the y intercept after the + or -- , hope this helps, but -2x + 3 is your answer for sure.

4 0
3 years ago
A small cargo plane currently has 140 pounds of cargo aboard. In addition, n boxes weighing 45 pounds each will be brought aboar
Vika [28.1K]

Answer:

The inequality that represents this situation is: 140 + 45*n < p

Step-by-step explanation:

Since the plane already had 140 pounds on board and "n" boxes will be loaded on it, then the weigh of each box multiplied by the number of box should be the extra cargo on the plane. This extra cargo added to the previous load must be less than the limit of cargo the plane can take as shown below:

140 + 45*n < p

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3 years ago
Need help with question 15
ad-work [718]

Answer:

68 degrees

Step-by-step explanation:

triangle = 180 degrees

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KatRina [158]

Answer:

Turn everything into fractions. You can also combine like terms.

Step-by-step explanation:

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