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HACTEHA [7]
3 years ago
13

QUESTION 6 OF 17 A Lyft driver has received 160 reviews with an average rating of 4.4 out of 5 stars. If the driver wanted to ra

ise his average star rating to 4.7, how many consecutive 5-star reviews does he need?
Mathematics
1 answer:
dexar [7]3 years ago
4 0
He needs 160 5-star reviews in a role. We can write a function to solve this problem. His current total stars is 4.4*160=704. Suppose he needs x more 5-star reviews, then his total stars will be 704+5x. 160+x is the new number of reviews, and the new average will be 4.7, so 4.7*(160+x)=704+5x. The solution is 160. Besides, if you want to get the answer really fast, you can see that 4.7 is right in the middle of 4.4 and 5, so you can immediately guess that the number of new 5-star reviews should be equal to the number of current reviews.
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PLEASE HELP!!
slava [35]

Answer:

99   (cm^2)

Step-by-step explanation:

Perpendicular to the AB segment at points D and C, the graph is divided into two triangles and a rectangle.

The area of the middle rectangle is equal to 8*9=72. The hypotenuse of the right triangle is 10cm, and one of the right sides is 9cm, so the other side is SQRT (10^2-9^2) = SQRT (19).

One side of the left triangle is 9cm long and the other side is 14-8-sqRT (19) = 6-sqRT (19) cm.

Then, add the area of the three parts.

72+9*sqrt(19)/2+9*(6-sqrt(19))/2=99    (cm^2)

4 0
3 years ago
There are 8 employees on The Game Shop's sales team. Last month, they sold a total of g games. One of the sales team members, Ch
soldi70 [24.7K]

Answer:

g/8 - 17= C

Step-by-step explanation:

g/8 = A ( average game sales per employee)

A - 17 = C (amount of games Chris sold)

Chris sold C amount of games

I answered to the best of my ability

8 0
3 years ago
Which sign makes this number sentence true? |78| __ |-222|
sineoko [7]
The absolute value of 78 is < the absolute value of -222
6 0
3 years ago
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Pls answer this now pls i beg u i need to past it on school :) thank you so much​
ELEN [110]

Answer: 13.85kg Hope this helps, please consider making me Brainliest.

Step-by-step explanation:

Let's add! 7 1/4 + 6 3/5 = 7.25 + 6.6

7 + 6 + .25 + .6 = 13 + .85 =

13.85

8 0
2 years ago
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MaRussiya [10]

Answer:

1.2

Step-by-step explanation:

9/5*2/3=1.2

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