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sertanlavr [38]
3 years ago
13

The mean grade on a test taken by 15 students was 70. When one more student

Mathematics
2 answers:
Makovka662 [10]3 years ago
8 0

Answer:

70% to 79% would get you a grade around a C -

mixas84 [53]3 years ago
5 0

Answer:

the scorce of the neww student is 72

Step-by-step explanation:

if you have a mean of 70 + 72 as the score then divide by 2 you get 71.

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What is 12 6/13 rounded to the nearest whole numbers
Natalka [10]
So, first determine what half of the denominator or bottom number would be.
   Half of 13 would be 6.5 (Do 13 divided by 2).
Next, see if the numerator or top number on the fraction is smaller, the same, or bigger than that number.
   Since 6.5 is bigger than 6, the numerator would be smaller.
If it is smaller, keep the whole number (in this case 12) the same. If it is the same or equal, round up (in this case 13).
   Since 6 is smaller than 6.5, you keep 12 the same.
   Your answer would be 12.

Hope this helped!
6 0
3 years ago
Jackson bought 3 pounds of candies for $9.75. c What was the price of these candies in cents per ounce?
Vladimir79 [104]
Jackson bought 3*16 = 48 ounces for 975 cents. The unit price in cents per ounce is ...
   975 cents/(48 oz) = 20.3125 cents/oz
7 0
4 years ago
Read 2 more answers
I really need help anyone please
icang [17]
(15x^3y^-8)÷(5x^2y^-4)
= 3xy^-4

(3x)/ y^4
4 0
3 years ago
The cost to visit a famous tourist attraction in Russia is 442.25 Rubles. What is the cost in USD if the exchange rate is 3 USD
Lubov Fominskaja [6]

Answer:

$14.5

Step-by-step explanation:

Given data

Cost for the visit=442.25 Rubles

exchange rate

3 USD= 91.5 Rubles

but 1 USD= 91.5/3

=  30.5

Therefore if 1 USD is 30.5 Rubles

         Then   xUSD is  442.25 Rubles

cross multiply

30.5x= 442.25

divide both sides by 30.5

x= 442.25/30.5

x=14.5USD

The cost of the attraction is $14.5

6 0
3 years ago
What is 3.38 rounded to the nearest tenth of a dollar
lina2011 [118]
It would round to $3.40
4 0
3 years ago
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