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Related Questions
A special piece of equipment is used at a construction site to dig holes. A hole is dug to a depth of 3.25 feet when the equipment hits rock. The progress slows to 5/8 feet per hour of digging. The depth of the hole must be at least 11 1/2 feet by the end of the day to stay on schedule. What is the minimum amount of time the equipment must continue at its present rate to complete the hole on schedule?
Select from the drop-down menus to correctly complete the statement.
The equipment requires at least 13 or 23 hours and 2/6/12/36 minutes to complete the hole on schedule.
Answers
Answer:
13 hours and 12 minutes
Step-by-step explanation:
You put 3.25 as a fraction which is 3 1/4. then I took 3 1/4 and misused it by 11 1/2. 23/2 - 13/4 = 8 1/4 then we took the 5/8 and divided it by 33/4 (3 1/4) I got 13 1/5. 13 1/5 is 13 hours and 12 minutes.
Minimum amount of time taken to complete the hole is 13 hours and 12 minutes.
What is proportion?In mathematics, proportion is an equation where two ratios are taken to be equal to each other. Suppose if a:b = c:d, then [tex]\frac{a}{b}[/tex] = [tex]\frac{c}{d}[/tex].
In the question, it is given that, a hole is already dug to a depth of 3.25 feet = 3 [tex]\frac{1}{4}[/tex] feet.
Also, the depth of hole at the end of the day must be atleast 11 [tex]\frac{1}{2}[/tex] feet.
Remaining depth of the hole needed to dug = 11 [tex]\frac{1}{2}[/tex] - 3 [tex]\frac{1}{4}[/tex] = [tex]\frac{23}{2}[/tex] - [tex]\frac{13}{4}[/tex] = [tex]\frac{33}{4}[/tex] feet
Rate of digging is [tex]\frac{5}{8}[/tex] feet per hour.
We have to find how much time will be taken for [tex]\frac{33}{4}[/tex] feet.
In proportional form, it can be written as [tex]\frac{5}{8}[/tex] : 1 = [tex]\frac{33}{4}[/tex] : x, where x is the time taken to complete [tex]\frac{33}{4}[/tex] feet.
⇒ [tex]\frac{5}{8}[/tex] / 1 = [tex]\frac{33}{4}[/tex] / x
Cross multiplying, we get
[tex]\frac{5}{8}[/tex] × x = [tex]\frac{33}{4}[/tex] × 1
⇒ x = [tex]\frac{33}{4}[/tex] × [tex]\frac{8}{5}[/tex] = [tex]\frac{66}{5}[/tex] = 13 [tex]\frac{1}{5}[/tex]
Hence the minimum amount of time the equipment must continue at the present rate to complete the hole on schedule is 13 hours and 12 minutes.
To learn more on Ratio, click:
https://brainly.com/question/13419413
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halo, kak boleh bantu tidak? yang 3. E - H
4 dan 5 semuanya Thx
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Answer:
eng pls
Step-by-step explanation:
A cylindrical glass holds 37683768 cubic centimeters of water. It has a height of 1212 cm. Find the area of the base of the glass.
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Answer:
31092.2178
Step-by-step explanation:
Divide the volume (37683768) by the height (1212) to get the area/length x width.
37683768 / 1212 = 31092.2178
12 divided by 2/5 whats the answer
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Answer:
12.4 is the answer
12/0.4=30
So the answer is 30
reread lines 9-18. underline the parts of a bats body that humans also have. Study the image of the bat. How does showing body parts similar to a humans help you better understand a bats body? Support your answer with explicit textual evidence.
Answers
Answer:1/2 of an answer is zero answer.
Step-by-step explanation:
N + 1 - 3N = 9 - N (IN A TEST)
Answers
Answer:
N= -8
Step-by-step explanation:
a
hope this helps!!:)
Rafi had a board that was 15 1/2 feet long. He cut three pieces off the board that are each 3 7/8 feet long. How much of the board is left?
Answers
Answer:
Step-by-step explanation:
To answer this question, first we need to figure out how much of the board Rafi cut off.
To do this, we need to multiply the length of each piece by the number of pieces he cut off.
3 7/8 = 3.875
3.875 * 3 = 11.625
Now, because we knew Rafi cut off 11.625 feet off of the board, we just need to subtract this length from the length of the entire board to find the remaining length.
15 1/2 = 15.5
15.5 - 11.625 = 3.875
There is 3.875 feet or 3 7/8 of the board left.
help me please i shall give the correct answer brainliest
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Answer:
9514 1404 393Answer: c = 6√2 d = 12Step-by-step explanation:The sides of any isosceles triangle (opposite the congruent angles) are congruent. Hence ...
Step-by-step explanation:
Answer: c = 6√2 d = 12
Step-by-step explanation: The sides of any isosceles triangle (opposite the congruent angles) are congruent.
hope this helps :)
PLS HELP DUE SOON. ALSO SHOW HOW U SET UP PROBLEM
Answers
Answer:
0.5% walk
Step-by-step explanation:
7/1400×100%
1/200×100%
1/2%
Because: 758+530+7 = 1400
1400 : 14 = 100
So 7 : 14 = 0.5
There are 4 quarts in a gallon and 4 cups in a quart. How many cups are in one serving?
Show and explain your work/answer
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Answer: 16 cups
one serving is a gallon.
4c = 1q
8c = 2q
12c = 3q
16c = 4q
-ㄚㄩ尺丨
And this one is number 8
Answers
Answer:
i think that it is option A
Step-by-step explanation:
hope this helps!
Select all of the algebraic expressions that could represent the phrase below.
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Step-by-step explanation:
9 more = + 9
the product of 5 times t = 5t
so, the answer options 1, 2 and 4 are correct
Someone helpp ill give brainlist if its correct and a heart and a thanks a 5 rate star ; )
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Answer:
The slope is at 87.
Please let me know if I am wrong. I tried.
What is the distance between points A and B?
100
1
I
0 1
O 13
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Answer:
1/3
Step-by-step explanation:
The line is split into 3 sections between 1 and 2, and A to B is one of those thirds.
help pleases
Evaluate the expression when b=8
3b²
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here is your answer
3(8)²
3*64
192.......
Create a scatterplot displaying the data in the table. Be sure to include a linear trend line. (2 points)
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Can you show more information please?
Answer:
Using technology, the linear regression equation which models the data of the relationship between the number of customers served and tips received is :
y = 1.87x + 3.66
predicted amount of tip for 100 customers = $191
The predicted amount of tips received of 100 customers are served :
y = 1.87x + 3.66
x = 100 ; substitute x = 100 into the equation
y = 1.87(100) + 3.66
y = 187 + 3.66
y = 190.66
Hence, about $191 would be received on tips if 100 customers are recorded.
Using a regression calculator to make prediction from a data table :
Enter the x and y axis data into the appropriate column so that the calculator can display the actual data model. Hence, given a certain value of either variable, the predicted value of the required variable can be calculated from the model.
Step-by-step explanation: I'm not sure since you didn't add a picture
Robbie wants to complete the equation below.
23+34=x
Which expression should Robbie use to solve for x?
A.
4/6+56
B.
8/12+912
C.
2/4+3/4
D.
12/18+15/18
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A. 4/6 + 56 as it is closest to 57 ( the value of x in the equation)
Answer:
Robbie should use 1st expression
Step-by-step explanation:
23+34=X
23+35= 4/6+56
=(5+336)/4
=56.67
=57
Read the problem below and answer the question.
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Answer:
7.9375
Step-by-step explanation:
cuz divide it 35.75÷4=7.9375
Please help ASAP I will give brainliest!!
Answers
Answer:
Step-by-step explanation:
What is the range of possible sizes for side x
Answers
Answer:
...
Step-by-step explanation:
2
Which of the following representations are functions?
I only
II only
I and II only
I, II, and III
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Answer:
I only
Step-by-step explanaition:
The domain (x) can not repeat in order for it to be a function.
i did this last week
What is 125 ÷ (2×7) = ???
Answers
Answer:
8.93
Step-by-step explanation:
Answer:
the answer is 8 and 13/14, or 8.93
Step-by-step explanation:
because of PEMDAS, we solve the numbers in the parenthesis first.
2 x 7 = 14.
next, we divide 125 by 14. 125 / 14 = 8 and 13/14
in decimal form, that is 8.93 (rounded up)
hope this helps :D
i shall give the right answer brainliest
Answers
Answer:
D i think
Step-by-step explanation:
Answer:
I belive it is 4 to the power of 7
Step-by-step explanation:
Select the expressions that are equivalent to 9d+4d.
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d • 13
7d + 2d + 4d
13d
Answer:
The first one, second one, and the last one. not the third one because 9d+3d=12d not 13d
Step-by-step explanation:
The original pattern for a dress is 3334 inches long. Kimmy needs her dress to be 3212 inches long. How much shorter than the pattern does Kimmy need to make her dress?
A.
123 inches
B.
114 inches
C.
214 inches
D.
112 inches
This Is 15 Points and will give brainliest! pls help asap!
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Answer:
Answer: None of the above. If you subtract 3212 from 3334, you will get 122. The answer is none of the above.
Step-by-step explanation:
Lol, I have no idea what to do
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a) 60 tickets
b) 15 tickets per class
c) 40 adult tickets
d) $240
e} i) $60 ii) 12 adult tickets
STEP BY STEP EXPLANATION WITH ANSWERS BELOW:
(i explained what to do for it to help you in the future when you need to do questions like these again)
Writing about Graphing a Fraction Explain how to graph 5 2 on the number line. A number line going from 0 to 3. There are 2 equals spaces between each number. The number line contains 0, point A is one-half, 1, point B is 1 and one-half, point C is between point B and 2, 2, point D is 2 and one-half, 3. I need help
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the answer is uhhhhhhhhhh yes*
I need help quickly please have clear explanation and answer written in brainly
Answers
Answer:
ii
Step-by-step explanation:
i
2 x 11 = 22
22 - 19 = 3
3 = 14
3 x 11 = 33
33 - 19 = 14
6 = 47
6 x 11 = 66
66 - 19 = 47
10 = 91
10 x 11 = 110
110 - 19 = 91
Mr. Bloss made 36 out of 48 free throws while practicing for basketball. What percent of his free throws did he make?
Answers
Answer:
75%
Step-by-step explanation:
We can see that our fraction is 75/100, which means that 36/48 as a percentage is 75%.
Answer:
75%
Step-by-step explanation:
To find the percentage of successes, simply divide the number of successes by the number of tries. Hence 36/48=.75. Then, multiply by 100% to get the percentage value --> .75x100%=75%
Bertha read 21 books. Each book had 155 pages. How many pages did she read altogether?
Answers
Answer:
3255
Step-by-step explanation:
21x3255=
answer: 3225