A construction company can remove 3/4 tons of dirt from a construction site each hour. how long will it take them to remove 36 tons of dirt from the site? (Answer needs to be in simplest form)

Answers

Answer 1
Answer:

It will take the construction company 48 hours to remove 36 tons of dirt from the site.The construction company can remove \( \frac{3}{4} \) tons of dirt from the site each hour.

To find out how long it will take them to remove 36 tons of dirt, we can set up a proportion

\(\frac{\text{Amount of dirt removed}}{\text{Time}} = \frac{\text{Amount of dirt removed}}{\text{Time}}\)

Given:Amount of dirt removed in one hour = \( (3)/(4) \) tons

Total amount of dirt to be removed = 36 tons

Let  t  represent the time in hours it will take to remove 36 tons of dirt. Plugging in the values:\(((3)/(4))/(1) = (36)/(t)\)

Solving for \( t \): \(t = (36)/((3)/(4)) = (36 * 4)/(3) = 48\)hours

So, it will take the construction company 48 hours to remove 36 tons of dirt from the site.

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Answer 2
Answer:

Answer:

48hours

Step-by-step explanation:

36÷(3/4)

36*(4/3)

144/3

48


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50 POINTSTyrone rolls a standard number cube multiple times and records the data in the table above. At the end of the experiment, he counts that he has rolled 155 sixes. Find the experimental probability of rolling a six, based on Tyrone’s experiment. Round the answer to the nearest thousandth.

If the probability that a bird will lay an egg is 75%, the probability that the egg will hatch is 50%, and the probability that the chick will be eaten by a snake before it fledges is 20%, what is the probability that a parent will have progeny that survive to adulthood?(A) 30%
(B) 14.5%
(C) 7.5%
(D) 2%

Answers

Answer: (A) 30%

Step-by-step explanation:

Given : The probability that a bird will lay an egg =0.75

The probability that the egg will hatch  =0.50

Now, the probability that the egg will lay an egg and hatch = 0.75*0.50

Also,The probability that the chick will be eaten by a snake before it fledges =0.20

Then, the probability that the chick will not  be eaten by a snake before it fledges : 1-0.20=0.80

Now, the probability that a parent will have progeny that survive to adulthood will be :-

0.75*0.50*0.80=0.30=30\%

Hence, the probability that a parent will have progeny that survive to adulthood =  30%

Explain how to do (2^-2/3^3)^4 i need to know how to do this.

Answers

Answer:

((2^(-2))÷(3^3))^4=

Step-by-step explanation: expand

A consumer advocate wants to collect a sample of jelly jars and measure the actual weight of the product in the container. He needs to collect enough data to construct a confidence interval with a margin of error of no more than 3 grams with 95​% confidence. The standard deviation of these jars is usually 3 grams. Estimate the minimum sample size required.

Answers

Answer:

n=3.8416≅4

So Minimum Sample Size is 4

Step-by-step explanation:

In order to find the minimum sample size, the formula we use will be:

n= (Z^2*S^2)/(E^2)

Where:

n is sample size  

Z is the distribution

S is the standard deviation

E is the  Margin of error

S=3 ,E=3

For Z:

Alpha=1-0.95=0.05

Alpha/2=0.025=2.5%

From Cumulative Standard Distribution Table:

Z at Alpha/2 = 1.960

n= (1.960^2*3^2)/(3^2)

n=3.8416≅4

So Minimum Sample Size is 4

The equation for 3x-10=2(x+6)

Answers

3x-10=2(x+6)

3x-10=2x+12

subtract 2x (to cancel it out and combine like terms)

[3x-2x=x]

x-10=12

add 10

[12+10=22]

x=22

WILL GIVE BRAINLIESTThe graph below represents which system of inequalities? (attachment below)

A. y ≤ −2x + 3
y ≤ x + 3

B. y ≥ −2x + 3
y ≥ x + 3

C. y ≤ −3x + 2
y ≤ −x + 2

D. y > −2x + 3
y > x + 3

Answers

The answer is A.
We can first eliminate D since it uses these (<, >) signs and the lines are shaded, indicating the points on those lines are solutions.
We can also eliminate C because the y intercept in C’s lines is 2, while in the graph, they are both 3.
Finally, we can look at both inequalities on the graph and see that the shaded areas are both underneath the line. This means that y is less than the equation for the line, eliminating B
So, the answer is A
Hope this made sense!!

Through the points (1/2 , 3/4) and (-1/3 , 5/4).Question 2
Find, if possible, the slope of the line through the points (2 , 5) and (-4 , 5)

Answers

Answer:

0

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(5-5)/(-4-2)

m=0/-6

m=0