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iris [78.8K]
3 years ago
13

I need some help plz

Mathematics
1 answer:
scZoUnD [109]3 years ago
3 0

Answer:

  one solution is (0, -2)

Step-by-step explanation:

The line y = -x is the boundary of the solution space of the first inequality. The less-than symbol (<) tells you that the line will be dashed and the shading will be below it. The line has a slope of -1 and goes through the y-intercept point (0, 0).

The line y = x - 2 is the boundary of the solution space for the second inequality. The less-than-or-equal-to symbol (≤) tells you the line will be solid (or equal to) and the shading will be below it (less than). The line has a slope of +1 and goes through the y-intercept point (0, -2).

The area of the graph where the shadings overlap is the solution space for the system of inequalities. Any point in that area will do, including points on the solid line where y < -x. (0, -2) is one such point.

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Round 75 to the nearest hundredth
djverab [1.8K]

Answer:

Hundredth? Hundredth is for decimals. If you meant to the nearest Hundred, then it's 100.

Step-by-step explanation:

If you actually meant hundredths though, then it would be 75, because 75 doesn't have any decimals

7 0
3 years ago
Solve the simultaneous equations. <br>Y=5x^2 + 4x-19<br>Y=4x+1 ​
Olegator [25]

Answer: x1=-2

x2=2

Step-by-step explanation:

5x²+4x-19=4x+1

5x²+4x-19-4x-1=0

5x²-20=0

5x²=20

x²=20/5

x²=4

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8 0
4 years ago
One carpet cleaning cost are shown in the table. The relationship is linear. Find and interpret the rate of change and the initi
Ainat [17]
I see from the given data that each additional carpet after the first costs $50 each to have cleaned.

The first costs $125.  Supposing we subtract $50 from that, we get $75.  So, it sounds like it costs $75 just to get the carpet cleaners to your house.

The rule would then be $75 + $50x, where x : {1, 2, 3, 4, .... }

Let's check this result.  Suppose x = 1.  Will the charge be $125, as show in the table?  $75 + $50(1) = $125.  Correct.

Suppose x = 4.  Will the charge be $275 as shown in the table?
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4 0
4 years ago
Are the two lines parallel? Please show your work and explain how you know whether or not they are parallel: x + y = 1 and 3x +
Anna007 [38]
The easiest way would be to graph both of them on a coordinate plane. You can either use one online or on your own. When you do graph them, it shows the two lines ARE parallel. I hoped i could help you. Plz mark as brainlies im almost at 5 brainliest so plz mark as brainliest. Thank you very much!
5 0
4 years ago
you make a salary of $700 dollars per week. you have an insurance deduction of $65 per week as 12% withheld for taxes after your
mrs_skeptik [129]
700-65 = 635 for deduction insurance
635*12%= 76.2 pay for taxes per week
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700*3= 2100 for 3 weeks unpaid
558.8*49= $27381.2 the total earned the rest of the year 
Total in a year = 27381.2+2100= $29481.2
5 0
4 years ago
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