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3 years ago

7

For the graph of any inequality, which points along the ray are solutions to the inequality?

1 answer:

Juliette [100K]3 years ago

3 0

Answer:

The part where the two rays meet is you solution

Step-by-step explanation:when graphing your solution, you are going to have two rays that will cross if there is one solution, that will be the solution. if they never meet, there is no solution to your problem, but if they are on top of each other, there are infinite solutions.

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Rudik [331]

3,-2 is the right answer i think

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3 years ago

A coat is on sale for 65% of the original price of $58. Calculate the sale price. Explain please

lys-0071 [83]

Answer:

$37.70

Step-by-step explanation:

65 divided by 100 multiplied by $58 is $37.70

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3 years ago

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If (x+30) and (3x+10)are co interior angle.Find the value of x<br><br><br>

Amiraneli [1.4K]

Answer:19

Step-by-step explanation:

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3 years ago

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Factor completely 2x2 − 2x − 40

Montano1993 [528]

Answer:

2(x-5)(x+4)

Step-by-step explanation:

2x^2 − 2x − 40

Factor out a 2

2(x^2 -x -20)

What 2 numbers multiply to -20 and add to -1

-5*4 = -20

-5+4 = -1

2(x-5)(x+4)

4 0

3 years ago

a plane averaged 400 mph on a trip going east, but only 280 mph on the return trip. The total flying time in both directions was

Liula [17]

Answer:

1400 miles

Step-by-step explanation:

Speed is the time rate of change of distance. It is the ratio of distance to time and is given by the equation:

$Speed(S) = \frac{distance(d)}{time(t)}\\ S=\frac{d}{t}$

plane averaged 400 mph on a trip going east, but only 280 mph on the return trip.

The time spent (t₁) in going east is given by:

$S=\frac{d}{t_1}\\ t_1=\frac{d}{S} =\frac{d}{400mph}$

The time spent (t₂) in going east is given by:

$S=\frac{d}{t_2}\\ t_2=\frac{d}{S} =\frac{d}{280mph}$

The total time (t) = t₁ + t₂

t = t₁ + t₂ = 8.5 hours

$\frac{d}{400}+\frac{d}{280} =8.5\\280d+400d=952000\\680d=952000\\d=1400miles\\$

Therefore the one way distance is 1400 miles

7 0

3 years ago