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stellarik [79]
2 years ago
13

What is the ordered pair in the solution set of 0. 5x-2y=3

Mathematics
1 answer:
mr Goodwill [35]2 years ago
4 0

Answer:

See Below

Step-by-step explanation:

The left side of the equation HAS TO BE GREATER THAN 3

So we take each ordered pair (x,y), plug it into the expression of left side of inequality and see which one is GREATER THAN 3. That's our answer.

A:

0.5x - 2y

0.5(-2) -2(0.5) = -2

NO

B:

0.5x - 2y

0.5(2) -2(1) = -1

NO

C:

0.5x -2y

0.5(2) -2(-1) = 3

NO

D:

0.5x -2y

0.5(-2) -2(-0.5) = 0

NO

None of them are solutions. C would have been a solution if the inequality had an "EQUAL SIGN" -- but it doesn't. Maybe the question is wrong, but if the question is right, then there is no correct answer.

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Please help me lol (quadratics unit on khan)
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Answer:

(2-x)^2 sorry if that’s wrong

Step-by-step explanation:

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5 0
3 years ago
A student records the repair cost for 17 randomly selected stereos. A sample mean of $52.33 and standard deviation of $21.44 are
Dafna11 [192]

Answer:

90% confidence interval is (43.25, 61.41)

Step-by-step explanation:

Given that,

n = 17

Mean, \bar{x} = 52.33

Standard deviation, \sigma = 21.44

∝ = 0.10

Now,

Confidence interval = \bar{x}  ± t_{\frac{\alpha }{2}, n-1} [\frac{\sigma}{\sqrt{n} } ]

                                 = 52.33 ± 1.7646 [ 21.44 / √17 ]

                                 = 52.33 ± 9.0791

So,

52.33 + 9.0791  = 61.4091

52.33 - 9.0791  = 43.2509

So,

90% confidence interval is (43.25, 61.41)

Also,

Lower end-point = 43.25

Upper end-point = 61.41

4 0
3 years ago
A cylinder has a volume of 1884 cm^3. Find the same radius and height as the cylinder
astra-53 [7]

Answer:

628

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2h

The volume of a cone  is

V = 1/3  pi r^2 h

If the radius and height are the same

The cone will have 1/3 the volume of a cylinder

The cone has 1/3 the volume of a cylinder given the same height and radius

1/3(1884) =628

3 0
3 years ago
Which has the products in order from least to greatest values
taurus [48]
10
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These would be the multiples of the product 10 in order.
4 0
3 years ago
Is -5/7 greater than 5/-7
tiny-mole [99]

Answer:

equal it is equal......

3 0
3 years ago
Read 2 more answers
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