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Tcecarenko [31]

3 years ago

12

Ralphie has 23 more toys than his little brother Joey. If they were to get all of their toys out and lay them on the floor, ther

e would be 384 toys on the floor.

2 answers:

fiasKO [112]3 years ago

7 0

I cant see the question.

krok68 [10]3 years ago

5 0

Subtract the total number of toys by twenty three

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In this fulcrum, the weights are perfectly balanced. How far must the fulcrum be located from the 40 lb. weight if the bar is 9

creativ13 [48]

So...we can write eqn as

40x = 50(x-1)
so. -10x=-50
so. x=5

therefore .... the distance of 40 lb will be 5 ft ...answer !!!

4 0

3 years ago

Read 2 more answers

Z to the power of 2 =1

stiv31 [10]

That would be written as:

$z^{2} = 1$

And the step-by-step equation would be:

$z^{2} = 1$ → we take the 2 to the right side of the equation and do the IO*

$z = \sqrt{1}$ →we solve for $\sqrt{1}$

$z = 1$ → final answer

*Ps - IO is not an existing term and stands for inverse operation. In this case, because when we take to 2 to the right side of the equation (the 2 is a power) it'll have to turn into a square root (because exponents and roots are inverse operations)

Hope it helped,

BioTeacher101

3 0

3 years ago

A supplier of heavy construction equipment has found that new customers are normally obtained through customer requests for a sa

ziro4ka [17]

Answer:

The probability that it will take fewer than six customer contacts to clear the inventory is 0.8%.

Step-by-step explanation:

We have a probability of making an individual sale of p=0.15.

We have 4 units, so the probability of clearing the inventory with n clients can be calculated as:

$P=\dbinom{n}{4}p^4q^{n-4}=\dbinom{n}{4}0.15^4\cdot 0.85^{n-4}$

As we see in the equation, n has to be equal or big than 4.

In this problem we have to calculate the probability that less than 6 clients are needed to sell the 4 units.

This probability can be calculated adding the probability from n=4 to n=6:

$P=\sum_{n=4}^6P(n)=\sum_{n=4}^6 \dbinom{n}{4}0.15^4^\cdot 0.85^{n-4}\\\\\\P=0.15^4(\dfrac{4!}{4!0!}\cdot 0.85^{4-4}+\dfrac{5!}{4!1!}\cdot0.85^{5-4}+\dfrac{6!}{4!2!}0.85^{6-4})\\\\\\P=0.15^4(1\cdot0.85^0+5\cdot0.85^1+15\cdot0.85^2)\\\\\\P=0.00051(1+4.25+10.84)\\\\\\P=0.00051\cdot16.09\\\\\\P=0.008$

5 0

3 years ago

Victor estimates that he will spend $175 on new video games he actually spent $225. what is the percent error? round to the near

Fudgin [204]

Percent error = 175/225 * 100 = 77.77% = 78% after rounding-off

8 0

3 years ago

Read 2 more answers

Imarindra thers.otes

Wittaler [7]

Answer:

$V=176\pi\ in^3$

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

we know that

The given figure is in the shape of a cylinder

so

To find out how much grain can this container hold, determine the volume of the cylinder

The volume of the cylinder is given by the formula

$V=\pi r^{2} h$

we have

$r=4\ in\\h=11\ in$

substitute

$V=\pi (4)^{2} (11)$

$V=176\pi\ in^3$

4 0

3 years ago

Read 2 more answers