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Evgen [1.6K]
3 years ago
5

In the equation below a is a number between 0 and 1 8 x a = b which statement about the value of b is always true

Mathematics
1 answer:
Kamila [148]3 years ago
3 0

Answer:

See Explanation

Step-by-step explanation:

Given

0 \le a \le 1

8*a =b

Required

Determine the true statement about b

The question is incomplete as options are not given. However, a general explanation is as follows:

Rewrite 8*a =b

b = 8 * a

When a = 0

b = 8 * 0 = 0

When a = 1

b = 8 * 1 = 8

This means that:

For 0 \le a \le 1

Then 0 \le b \le 8

<em>This means that: b is a number between 0 and 8</em>

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How much money does Conor earn each minute he does yard work, if he works 3.25 hours at $9 an hour?
LenaWriter [7]

Answer:

$2.76

Step-by-step explanation:

9/3.25=2.76

8 0
3 years ago
The average age of all students at a certain college is 22 years and the standard deviation is 2 years. What is the probability
Marianna [84]

Answer:

The probability that the average age of a randomly selected sample of 100 students will be less than 21.8 years is 0.159

Step-by-step explanation:

According to the given data we have the following:

mean = μ= 22

standard deviation = σ = 2

n = 100

μx = 22

σx=σ/√n=2/√100=0.2

Therefore, P( x < 21.8)=P(x-μx)/σx<(21.8-22)/0.2

=P(z<-1)

= 0.159

The probability that the average age of a randomly selected sample of 100 students will be less than 21.8 years is 0.159

3 0
3 years ago
Someone help me please
inna [77]

Answer:

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Step-by-step explanation:

The formula of regular polygon with <em>n</em> sides of length <em>b</em> and apothem <em>a</em>:

A=\dfrac{nba}{2}

We have:

n = 6

b = 8

a = 6

Substitute:

A=\dfrac{(6)(8)(6)}{2}=144

The perimeter:

P=6b\to P=(6)(8)=48

6 0
3 years ago
Which ordered pair would form a proportional relationship with the point graphed below?
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hope this helps :)

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What is the sum of the interior angles, each interior angle, the central angle, and each exterior angle of a pentagon, a hexagon
WITCHER [35]
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-Decagon: 1440</span>°<span>
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Each interior Angle: Formula: [(n-2)*180] / n
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-Dodecagon: 150°

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-Dodecagon: 30°

3 0
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