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lesya [120]
2 years ago
11

About 2% of the students at a college with a population of 9,000 students have significant vision impairments. A polling organiz

ation took a random sample of 800 of these students. is the 10% conditon met?
Yes, 10(800) = 8,000, which is less than the total population
Yes, 10% of 800 = 80, which is less than the total population
No, 10(9,000) = 90,000, which is more than the sample
No, 10% of 9000 = 900, which is more than the sample
Mathematics
1 answer:
sammy [17]2 years ago
4 0

Answer:

total population: 9,000

10% of 9,000= 900 students

they only surveyed 800 students so Yes the 10(800)=8,000 which is less then 9,000 or Option A

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I do't know how to solve this.

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3 years ago
Write the expression for when you translate the graph of y = |3x− 5| one unit to the right. Plzz help
AfilCa [17]

Answer:

2<x<4/3

Step-by-step explanation:

Given the equation of a graph to be y = |3x− 5|, if the equation is one unit to the right, this can be expressed as |3x-5| > 1.

Solving the resulting equation

|3x-5| > 1.

Since the function 3x-5 is in a modulus sign, this means that the function can take both negative and positive values.

For positive value of the function;

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x>2 ... (1)

For the negative value of the function;

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On expansion

-3x+5 > 1

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Multiplying through by -1 will also change the inequality sign

x < -4/-3

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Combining equation 1 and 2, we have;

2<x<4/3

6 0
3 years ago
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Given f(x)=4x^3+7x^2-7x-10 factor f(x), given that -1 is a zero
stira [4]
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We can further factor as

f(x) = (x + 1)(4 {x}^{2}  - 5x + 8x - 10)
That is

f(x) = (x + 1)(x  +  2)(4x - 5)

7 0
3 years ago
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Distribute

-25x+100=-55x+550

Add 55x  to both sides

-25x+100+55x=-55x+550+55x

30x+100-100=550-100

subtract 100 from both sides

30x+100-100=550-100

30x=450

divide both sides by 30

30x/30=450/30

x= 15

The value of x is 15


I hope that's help you my friend !

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3 years ago
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3 years ago
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