1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sergeinik [125]
2 years ago
11

1. A new drill is used to dig a hole in the ground. At noon, the hole is 13.2 feet deep when the new drill is turned on for the

first time that day. At 2 p.m., the drill has dug the hole to be feet deep. The new drill dug 1.5 times as much of the hole as the old drill would have in the same length of time.
(a) What expression represents the number of feet the new drill dug?
(b) How many feet would the old drill have dug in the same length of time? Show your work. Answer the question in a complete sentence.
Mathematics
1 answer:
lesantik [10]2 years ago
3 0

Using the subtraction and division operation, the depth dug by the new drill, and the depth that would have been dug by the old drill are 29.05 feets and 19.37 feets respectively.

<u>The expression for the number of feets dug by the new drill can be calculated thus</u> :

  • <em>Final depth - Initial depth</em>

Depth dug = 42.25 feets - 13.2 feets

Depth dug = 29.05 feets

<u>The new drill dug 1.5 times the depth that woukd have been dug by the old drill</u> :

Depth dug by old drill = 29.05 / 1.5

Depth dug by old drill = 19.37 feets

Therefore, the depth dug by old drill will be 19.37 feets

Learn more : brainly.com/question/12474772

You might be interested in
<img src="https://tex.z-dn.net/?f=%7C2x-3%7C%5Cleq%209" id="TexFormula1" title="|2x-3|\leq 9" alt="|2x-3|\leq 9" align="absmiddl
MA_775_DIABLO [31]

Answer:

Step-by-step explanation:

|2x-3|≤9

so -9≤2x-3≤9

add 3 to each inequality

-6≤2x≤12

divide by 2

-3≤x≤6

3 0
3 years ago
WILL MARK BRAINLIEST PLEASE HELP
Anna11 [10]
64-35= 29

so there were 29 boys included in the survey
3 0
3 years ago
Read 2 more answers
Which is the correct answer
Radda [10]

Answer:

n = -9

Step-by-step explanation:-

6 0
2 years ago
Read 2 more answers
Analyze the following statement: Marcus notices that he runs faster in the mornings rather than the evenings. Is the statement a
lana66690 [7]

The answer is option A "Correlation, because time of day doesn't cause a person to run faster or slower." It's completely logic that the time of day doesn't affect the persons speed it's how fit the person that person is would effect his or her speed. Correlation is two data sets that are close together and are connected on a graph.

Hope this helps!

8 0
3 years ago
Read 2 more answers
Find an explicit formula for the arithmetic sequence -11, -3, 5, 13, ....
Alekssandra [29.7K]

Answer:

<u>b(n) = -11 + (n-1)*8</u>

<u></u>

Step-by-step explanation:

Let n be the sequence number, with n=1 the first number b(1) -11

The sequence changes by +8 each step.

<u><em>b(1)</em></u><em>   -11</em>         + 8 =   -3

<u><em>b(2)</em></u><em>   -3</em>          + 8 =    5

<u><em>b(3)</em></u>   <em> 5 </em>         + 8 =   13

<u><em>b(4)</em></u><em> </em> <em>13</em>

b(1) = -11

b(2) = -3.   or b(1) + 1*8

b(3) =  5,    or b(1) + 2*8

b(4) =  13,   or b(1) + 3*8

We note that each step adds a multiple of 8 to the initial value of -11.  This can be stated as (n-1)*8

The formula for this sequence would be b(n) = b(1) + (n-1)*8

<u>b(n) = -11 + (n-1)*8</u>

Check:  Does n=3 return the value of 5?

b(n) = -11 + (n-1)*8

b(3) = -11 + ((3)-1)*8

b(3) = -11 + (2)*8

b(3) = -11 + 16

b(3) = 5   <u><em>YES</em></u>

5 0
2 years ago
Other questions:
  • Plot the intercepts to graph the equation
    8·1 answer
  • A bag contains 18 blue marbles and 12 red marbles. If 2 marbles were removed without being replaced, what is the probability tha
    15·1 answer
  • If ice cream were sold in 1 cup containers how many does she need to buy for her party
    6·1 answer
  • Hell please and thank you !!!!
    14·2 answers
  • I’ll venmo $10 to whoever solves both these pages for me and shows work
    10·1 answer
  • What were the dimensions of the slice defined as RSTU in Exercise 1?
    5·1 answer
  • cube A has volume V. the edges of cube b are three times as long as the edges of cube A. What is the volume of cube b in terms o
    13·1 answer
  • Need help for math plz
    9·2 answers
  • What is the solution of x+8=13
    7·2 answers
  • Select the correct answer.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!