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3 years ago

I need help with b!!!

Mathematics

1 answer:

Wewaii [24]3 years ago

6 0

Answer:

The highest price is .40 cents per kazoo

Step-by-step explanation:

For 25 kazoo it is 10 dollars

To find the price per kazoo, take the dollars and divide by the number of kazoos

10 /25 =.40

.40 per kazoo

Do the same with 18.50 and 50 kazoo's

18.50 /50 =.37

.37 per kazoo

Do the same with 27.20 and 80 kazoo's

27.20/80 =.34

.34 per kazoo

The highest price is .40 cents per kazoo

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A manufacturing company has developed a fuel-efficient machine that combines pressure washing with steam cleaning. It is designe

Nonamiya [84]

Answer:

$P(X>7.3) = \int_{5.5}^{7.3} \frac{1}{2} dx = \frac{1}{2} x \Big|_{6.5}^{7.3} = \frac{1}{2} (7.3-6.5)= 0.4$

And then we can find the probability replacing the last result and we got:

$P(X>7.3)= 1- P(X$

Step-by-step explanation:

For this case we have the following density function given:

$f(x) = \frac{1}{2} , 5.5 \leq X \leq 8.5$

And we want to find the following probability:

$P(X>7.3)$

We can find this probability with the complement rule like this:

$P(X>7.3)= 1- P(X$

And we can find the following probability:

$P(X>7.3) = \int_{5.5}^{7.3} \frac{1}{2} dx = \frac{1}{2} x \Big|_{6.5}^{7.3} = \frac{1}{2} (7.3-6.5)= 0.4$

And then we can find the probability replacing the last result and we got:

$P(X>7.3)= 1- P(X$

7 0

3 years ago

Calculate the value of the expression 1, 284°

ladessa [460]

It would be 1,284° couculated by absolute rubies

5 0

3 years ago

HELP ASAP CAUSE ITS DUE TODAY AND I DIDN'T FINISH IT!!!!!! im sorry-!

Serjik [45]

Answer: 1 = 8 cups because 2 x 4 = 8.

2. 35... 7 x 10 = 70, 70 / 2 = 35

3. 20.53 + 1.55 + 0.02.. line up decimals!

+ 1.55

22.08

4. Mean is average.

so add up all the numbers and divide by the amount of numbers you added

18+9 = 27, 27 + 15 = 42, 42 + 11 = 53, 53 + 13 = 66, 66 + 15 = 81.

81 divided by 6 = 13.5 or 13 1/2.

5. c = 5b

b=55

c = 5 x 55

5 x 55 = 275.

c = 275.

NEXT PAGE

1. 48, 6 x 8 = 48.

2. 6, 4 x 3 = 12, 12 / 2 = 6

3. 9. 12 + 5.78 + 6.01

5.78

+ 6.01

20.91

4. 36 + 42 + 66 + 54 + 23 = 221, 221 / 5 = 44.2 or 44 1/5

5. t = 20c c = 21

t = 20 x 21 = 420

t = 420.

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