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2 years ago

15

what is 494949499494949494949494949494949494949494949494949494949494949494949494949494+357308673-72-05743-0376-07640-725-06750-7

534-83-0734-8045734873426094-7623-07236-05740-9734602576230967360347430-37

1 answer:

Naddika [18.5K]2 years ago

6 0

98870645421

Answer:

7353664777899

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Which of the following does not contain the number -7?

elena55 [62]

Answer:

D. Whole Numbers

Step-by-step explanation:

Rational numbers are made by dividing an integer by an integer. An integer is basically any number. Real numbers are like numbers that actully exist and aren't like infinity or something. Whole numbers are any number above 0 that aren't a fraction or a decimal so it's D becase -7 is not above 0.

8 0

2 years ago

A bicycle is on sale for $100. the sales tax rate is 5%. what is the amount of the sales tax

chubhunter [2.5K]

Answer:

$5

Step-by-step explanation:

100x0.05=5

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3 years ago

What is the surface area of the rectangle pyramid below?

iren [92.7K]

Answer:

Um.. where's the picture?... wheres the rectangle and the measurements.

7 0

3 years ago

Which of the following points does Not lie on the graph of y =3x

nalin [4]

Answer:

(2,6)

Step-by-step explanation:

<u><em>The options of the questions are</em></u>

(0,1) (1,3) (2,6) (3,27)

and the given function is $y=3^x$

we know that

If a ordered pair lie on the graph of the given equation, then the ordered pair must satisfy the given equation

<u><em>Verify each ordered pair</em></u>

case 1) (0,1)

substitute the value of x and the value of y in the linear equation and then compare the results

$1=3^0$

$1=1$ ----> is true

so

The ordered pair lie on the graph of the given equation

case 2) (1,3)

substitute the value of x and the value of y in the linear equation and then compare the results

$3=3^1$

$3=3$ ----> is true

so

The ordered pair lie on the graph of the given equation

case 3) (2,6)

substitute the value of x and the value of y in the linear equation and then compare the results

$6=3^2$

$6=9$ ----> is not true

so

The ordered pair not lie on the graph of the given equation

case 4) (3,27)

substitute the value of x and the value of y in the linear equation and then compare the results

$27=3^3$

$27=27$ ----> is true

so

The ordered pair lie on the graph of the given equation

8 0

3 years ago

Bad gums may mean a bad heart. Researchers discovered that 82% of people who have suffered a heart attack had periodontal diseas

saveliy_v [14]

Answer:

37.27% probability that he or she will have a heart attack.

Step-by-step explanation:

Bayes Theorem:

Two events, A and B.

$P(B|A) = \frac{P(B)*P(A|B)}{P(A)}$

In which P(B|A) is the probability of B happening when A has happened and P(A|B) is the probability of A happening when B has happened.

In this question:

Event A: Periodontal disease

Event B: Heart attack

Researchers discovered that 82% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums.

This means that $P(A|B) = 0.82$

Only 33% of healthy people have this disease.

This means that $P(A) = 0.33$

Suppose that in a certain community heart attacks are quite rare, occurring with only 15% probability.

This means that $P(B) = 0.15$

If someone has periodontal disease, what is the probability that he or she will have a heart attack

$P(B|A) = \frac{0.15*0.82}{0.33} = 0.3727$

37.27% probability that he or she will have a heart attack.

6 0

3 years ago