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Scilla [17]
3 years ago
11

I have a 69 and an 82. The 69 is worth 40% of my grade and the 82 is worth 15%. Can someone tell me my current average grade. Pl

ease.
Mathematics
1 answer:
Margarita [4]3 years ago
7 0

Answer:

The average is around 75.5

Step-by-step explanation:

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a baseball league finds the speeds of pitches are normally distributed, with a mean of 89 mph and a standard deviation of 2.4 mp
olya-2409 [2.1K]

Answer:

-1.58

Step-by-step explanation:

We have that the mean (m) is equal to 89 and the standard deviation (sd) 2.4

They ask us for P (x <85.2)

For this, the first thing is to calculate z, which is given by the following equation:

z = (x - m) / (sd)

We have all these values, replacing we have:

z = (85.2 - 89) / (2.4)

z = -1.58

8 0
3 years ago
PLZZZZZZZZ HELP IM SO BAD AT THIS
Margarita [4]

Answer:

100% of 188=188

50% of 188=94

25% of 188=47

75% of 188=141

Step-by-step explanation:

3 0
3 years ago
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Café Noir charges a 1% levy on the bill for trading on Sundays. If the final bill is $55.55, what was the original price, taking
svetoff [14.1K]
As I guess I think its 5
7 0
3 years ago
Sara must plant 340 trees. In the past 6 days Sara planted 204 trees. If she continues at this rate, how many more days will it
ikadub [295]
204/6 = 34 trees a day.  340-204 =136 trees left to plant.  136/34 = 4   4 days
4 0
3 years ago
Henry and reiko both used 1 yard of ribbon to make bows. write two different fractions to show that Henry and reiko use the same
Natalka [10]
To show that they used the same amount of ribbon you could take the 1 yard and divided into different sized equal groups.

1 yard divided by four equals 1/4 yard for each of four ribbons.

1 yard divided by six equals 1/6 yard for each of six ribbons.

You could have ribbons the size of 1/4 our yard and 1/6 yard, but you would have different amounts of each.
4 0
3 years ago
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