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choli [55]
3 years ago
15

A system of linear inequalities can have solutions in exactly three of the quadrants

Mathematics
2 answers:
Anarel [89]3 years ago
8 0
It would be true that all three quadrants could be occupied
bogdanovich [222]3 years ago
4 0

Answer with explanation:

Consider the Inequality

    x - y >0

⇒x > y

or, x -y < 0

⇒ x < y

It has solution in all the three regions.

Plotting the Inequality in x y plane and showing that the solution lies in three of the Quadrants

So, Yes , a system of linear inequalities can have solutions in exactly three of the quadrants.

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A new computer can complete a complex biochemistry calculation in 7 hours less than an older-model computer. Working together, t
Alchen [17]
The rate a computer works is 1/time. Working together, you add the rates.
Let new computer be x, old computer be y.
x = y - 7

\frac{1}{x} + \frac{1}{y} = \frac{1}{13} \\  \\ \frac{1}{y-7}+\frac{1}{y} = \frac{1}{13} \\  \\ \frac{2y-7}{y(y-7)} = \frac{1}{13} \\  \\ y(y-7) = 13(2y-7) \\  \\ y^2-33y+91 = 0 \\  \\ y = 29.96 \\  \\ x = y-7 = 29.96-7 = 22.96
Rounded to nearest tenth gives:
x = 23 hours
6 0
3 years ago
The table shows the relationship between the number of Calories Lucie burns while jumping rope and the number of minutes she jum
iragen [17]

Answer:

The amount of calories Lucie will burn by jumping for 1 minute is 8 calories

Step-by-step explanation:

The given data values are;

Minutes {}                  Calories Burned

40                {}            320

80        {}                    640

120 {}                          960

160 {}                          1280

The value of calories burnt and the number of minutes of jump robe are seen to be directly proportional, such that we have;

40 minutes of jump rope will yield 320 calories burnt

Therefore we have;

1 minute of jump rope will yield 320/40 = 8 calories burnt

The amount of calories Lucie will burn by jumping for 1 minute = 8 calories.

8 0
3 years ago
Solve the equations and match them with their solutions.
Artyom0805 [142]
1 is x=13.5

2 is x=-260

3 is x=38

4 is x=-37^38

i think this is correct

7 0
3 years ago
What’s 4930 x 184 equal
Flura [38]

Answer:

907120

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
35 POINTS WILL MARK BRAINLIEST
Alinara [238K]

Answer:

50 is the intrest 550 os the amount

5 0
2 years ago
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