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77julia77 [94]
2 years ago
11

It takes Shawn 4 more hours to stain a deck than Michelle. Together it takes them 4.8 hours to complete the work. How long would

it take Shawn to stain the deck by​ himself?
Mathematics
1 answer:
andrew-mc [135]2 years ago
6 0

Answer:

4.4 hours

Step-by-step explanation:

It would take Shawn 4.4 hours, as this would give a time of .4 hours to Michelle, totaling 4.8 hours

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What is 3/5 ● 8/9 A. 8/15 B. 11/14 C. 27/40 D. 91/40​
vodomira [7]
Answer:
3/5*8/9=8/15; A

Explanation:
First, you want to multiply both of the numerators together. 3*8=24.
Then, you want to multiply both of the denominators together. 5*9=45.
If you put the numerator and the denominator together, it comes out to be 24/45.
Lastly, you want to simplify 24/45. Divide those both by 3, and you get 8/15.
Hope that helps!
8 0
1 year ago
Read 2 more answers
Y varies inversely with x k=2.8 what is the value of x when y is 22.4
igor_vitrenko [27]
Xy = k is the inverse variation formula.
22.4x = 2.8
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6 0
3 years ago
Anna set up a lemonade stand on her block over the summer. She recorded each day’s high temperature and the number of cups of le
Alexxx [7]

Answer:

Residual = -2

The negative residual value indicates that the data point lies below the regression line.

Step-by-step explanation:

We are given a linear regression model that relates daily high temperature, in degrees Fahrenheit and number of lemonade cups sold.

y = -34+ \frac{3}{5}  x

Where y is the number of cups sold and x is the daily temperature in Fahrenheit.

Residual value:

A residual value basically shows the position of a data point with respect to the regression line.

A residual value of 0 is desired which means that the regression line best fits the data.

The Residual value is calculated by

Residual = Observed value - Predicted value

The predicted value of number of lemonade cups is obtained as

y = -34+ \frac{3}{5} (95)\\\\y = -34+ 3 (19)\\\\y = -34+ 57\\\\y = 23

So the predicted value of number of lemonade cups is 23 and the observed value is 21 so the residual value is

Residual = Observed value - Predicted value

Residual = 21 - 23

Residual = -2

The negative residual value indicates that the data point lies below the regression line.

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3 years ago
Hi. Can you help me figure out number 12? Thanks! Image of problem is below
vichka [17]
More; \frac{1}{12} cup .. :p
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3 years ago
The cost of manufacturing A certain type of headphone varies inversely as the number of headphones increase . If 5000 headphones
amm1812
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