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RoseWind [281]
2 years ago
15

What is the solution to the inequality 1/5x-4<-2/5x​

Mathematics
2 answers:
timurjin [86]2 years ago
6 0

Answer:

I'm sure the answer to this is: x<20/3

spin [16.1K]2 years ago
6 0
What the other person said
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Assume that when adults with smartphones are randomly​ selected, 48​% use them in meetings or classes. If 8 adult smartphone use
Lisa [10]

Answer:

The probability is 2.2%

Step-by-step explanation:

The probability that a randomly selected adult uses the telephone in classes is always equal to 0.48.

If x represents the number of adults selected from among the 8 that the telephone uses in classes, then x is a discrete random variable that follows a binomial distribution, with:

p = 0.48

q = 0.52

n = 8

We want to find the probability of x = 5

P(x) = \frac{n!}{x!(n-x)!} *p ^ n *q ^{n-x}\\\\ P(x = 5) = \frac{8!}{5!(8-5)!} * 0.48 ^ 8 * 0.52 ^ 3\\\\ P(x = 5) = 0.02218

The probability is 2.2%

6 0
3 years ago
PLS HELP AND EXPLAIN HOW TO DO IT ASWELL ILL MARK YOU BRAINLIEST ​
Margarita [4]

Answer:

251.33 = 251

Step-by-step explanation:

V= πr²h = π·2²·20 ≈ 251.32741 = 251.33

4 0
3 years ago
Read 2 more answers
What would the graph of 10x + 7y &lt; 49 look ?
navik [9.2K]

Answer: The graph is attached.

Step-by-step explanation:

1. Solve for y, as following:

10x+7y

2. The equation of the line in slope intercept form is:

y=mx+b

Where m is the slope and b is the y-intercept.

3. In this case the equation of the line is:

y=-\frac{10}{7}x+7

then:

m=-\frac{10}{7}\\\\b=7

4. Find the x-intercept. Make y=0. Then:

0=-\frac{10}{7}x+7\\\frac{10}{7}x=7\\x=4.9

5. Then, plot the line that passes through the points (0,7) and (4.9, 0).

6. The symbol of the inequality is < therefore, the line must be dashed and indicates that the region under the line must be shaded.

Then you obtain the graph attached.

8 0
3 years ago
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Christopher bought 4 pens that cost the same amount of money and a marker that cost $3. He spent a total of $11. Which statement
Nikolay [14]
The pens cost $2 each.
2*4+3=11
8 0
3 years ago
Can someone help me on this I'm stuck
emmainna [20.7K]
The answer is 7/16 in decimal it would be 0.4375 hope this helps
4 0
2 years ago
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