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taurus [48]
3 years ago
6

-9x+2>18 and 13x+15<=-4

Mathematics
2 answers:
marin [14]3 years ago
8 0
-9x +2←18. 13x+15←-4
-9x←18-2. 13x←-19
-9x←16. x←1.46
x→-1.7
Scilla [17]3 years ago
3 0
The first one is x< -1.7 repeating
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The cost of renting a sailboat at a lake is $20 per hour plus $14 for lifejackets. Write an equation in slope-intercept form tha
aalyn [17]

Answer:

y=20x+14, where:

y is the total amount you would pay for using the sailboat

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Step-by-step explanation:

An equation in slope-intercept form is set up as y=mx+b. From the information provided, the equation would indicate that the cost of renting the boat would be equal to the price per hour for the number of hours plus the cost of lifejackets and the equation in slope-intercept form that can be used is:

y=20x+14, where:

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8 0
3 years ago
Guys i need your HELP ASAP​
ivanzaharov [21]
To solve this, you’ll first need to solve for their slopes.

The slope for line Q is y2-y1/x2-x1 = -8-(-2)/-8-(-10) = -3

We know that the lines are perpendicular so the negative reciprocal of -3 is 1/3

The equation you get it y = 1/3x + b.

Now you will need to solve for b by substituting in the first ordered pair of line R.

2 = 1/3(1) + b.

Once you solve for b, you should get 5/3 and y = 1/3x + 5/3

Now, to find a, you will need to substitute in 10 from the second ordered pair into x in your new equation.

y = 1/3(10) + 5/3.

Your solution should be 5.

So your answer is: a = 5
8 0
3 years ago
Which Shape is NOT quadrilateral
Veronika [31]

Answer:

the pentagon (3rd one)

Step-by-step explanation:

definition of a quadrilateral literally means a shape with 4 sides

3 0
3 years ago
What is the solution of the linear system of equations? please help
Mademuasel [1]
Sub for each other since both equals y
2x-3=y=2x+5
2x-3=2x+5
minus 2x oth sides
-3=5
false

no solution
(we can see that since slopes are same and y intercepts are differnt, the lines are paralell and therfor never intersect)



D. No solution
3 0
3 years ago
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