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Kipish [7]
2 years ago
5

5. Mary ‘s hair was 8 inches long. In three months, it grew another inch at a steady rate. Assume that her hair growth continues

at the same rate.
A. Make a table that shows Mary’s hair length for each of the three months and for the next three months.




B. Draw a graph showing the relationship between Mary’s hair length and time in months
Mathematics
1 answer:
Lena [83]2 years ago
8 0

Answer:

Here's the answer:

www.slader.com/discussion/question/mays-hair-was-8-inches-long-in-three-months-it-grew-another-inch-at-a-steady-rate-assume-that-her-ha/

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It takes Hank 40 minutes (2/3 hours) to mow a lawn. Penny can mow the same size lawn in 30 minutes (1/2 hour). Hank and Penny fo
andrew-mc [135]

Answer:

2 hours

Step-by-step explanation:

Given: It takes Hank 40 minutes \frac{2}{3} hours to mow a lawn. Penny can mow the same size lawn in 30 minutes \frac{1}{2} hours. Hank and Penny form a small lawn care company and have contracts for 7 lawns of the same size previously mentioned.

To Find: How long should it take both of them working together to mow the  7 lawns.

Solution:

Time taken by Hank to mow the lawn =\frac{2}{3} \text{hour}

Time taken by Penny to mow the lawn =\frac{1}{2} \text{hour}

Total lawns to be mowed =7

Let time taken by Hank and Penny to mow one lawn =\text{T}

\frac{1}{\text{time taken by Hank}}+\frac{1}{\text{time taken by Penny}}=\frac{1}{\text{Time taken by both to mow one lawn}}

\frac{1}{\frac{2}{3}}+\frac{1}{\frac{1}{2}}=\frac{1}{\text{T}}

\frac{7}{2}=\frac{1}{\text{T}}

\text{T}=\frac{2}{7}

time taken to mow 7 lawns =7\times\text{time taken to mow one lawn}

                                                   =7\times\frac{2}{7}

                                                   =2 \text{hour}

Hence it will take 2 \text{hours} by Hank and Penny to mow 7 lawns

5 0
3 years ago
Nita wants to buy a new keyboard for her computer. She will buy the keyboard when it is on sale for under $50\$50 $50 dollar sig
Lerok [7]

Answer:

k    

Step-by-step explanation:

We are told that Nita wants to buy a new keyboard for her computer. She will buy the keyboard when it is on sale for under $50.

Let k be the price in dollars at which Nita will buy the keyboard. Nita will buy the keyboard when its price is less than 50. So we can write our inequality as:

k

Therefore, our desired inequality will be k.

5 0
3 years ago
Read 2 more answers
Determine if x=2 is a solution.
Marrrta [24]

Answer:

Do you have a picture for the problem that you want to be solved?

3 0
2 years ago
Write an equation in slope-intercept form for the line with slope −2/3 and y-intercept 2.
Damm [24]

Answer:

\huge\boxed{\sf y = -\frac{2}{3}x + 2 }

Step-by-step explanation:

Slope = m = -2/3

y-intercept = b = 2

<u>Slope-intercept equation/form:</u>

y = mx + b

y = -2/3 x + 2

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3><h3>Peace!</h3>
7 0
3 years ago
Use the rule to write the first twelve numbers in the pattern in the number
Sever21 [200]
The question is asking to state the first twelve number in the pattern in the number, base on my calculation, I would say that the first twelve numbers are 7, 8, 9, 10, 11, 12, 13, 14 ,15 ,16, 17, and 18. I hope you are satisfied with my answer and feel free to ask for more if you have questions
7 0
3 years ago
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