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2 years ago

15

If 8 adult smartphone users are randomly selected, find the probability that at least 4 of them use their smartphones in meetin

gs or classes.

1 answer:

aleksklad [387]2 years ago

8 0

The answer would would 63.67%.

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Please help question in the picture

anzhelika [568]

Answer:

50

Step-by-step explanation:

40 squared is 1600

30 squared is 900

1600+900=2500

$\sqrt{2500}$ =50

6 0

2 years ago

Catarina is buying supplies for a party. She plans to spend at least $100 on food and at least $50 on party favors. She can spen

harkovskaia [24]

Answer:

food $\geq$ 100

favors $\geq$ 50

total $\leq$ 250

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2 years ago

3x+2y=3y-2 line 1 x+y=10 line 2 solve for x/y

GrogVix [38]

Answer:

x/y=1/4

Step-by-step explanation:

3x+2y=3y-2

3x=3y-2y-2

3x=y-2

y=3x+2

x+y=10

x+3x+2=10

4x+2=10

4x=10-2

4x=8

x=8/4

x=2

2+y=10

y=10-2

y=8

x/y=2/8=1/4

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3 years ago

If x > 0 and y < 0, where is the point (x, y) located?

dlinn [17]

Answer:

Quadrant 4

Step-by-step explanation:

x > 0 means towards right of the origin

y < 0 means below the origin

So Quadrant 4

6 0

2 years ago

What is the solution to the system of equations?

r-ruslan [8.4K]

Answer:

(4, –2, 1)

Step-by-step explanation:

You have to put in it the calculate and solve the matrix way

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2 years ago