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Natasha_Volkova [10]
3 years ago
13

What does 81% 90% 80% and 34% average into 20 points

Mathematics
1 answer:
Alja [10]3 years ago
7 0

Answer:

71.25%.

Step-by-step explanation:

To find the average, we can simply add up the percentages and divide by how many there are.

We can do this by:

\frac{81 + 90 + 80 + 34}{4} = 71.25%

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Can someone answer this for me pls I need help rly bad
grigory [225]

Answer:

the answer is y= 2/1x + 10

5 0
3 years ago
Morgan's mom wants to borrow $720 to buy a new computer. The store will charge her 8% simple interest for one year. How much wil
Afina-wow [57]

Answer:

$777.60

Step-by-step explanation:

8/100 = 0.08

0.08 * 720 = 57.6

57.6 + 720 = 777.6

8 0
3 years ago
Read 2 more answers
Jermaine has just painted a large mural. It is 8 1/2 feet wide. The wall he wants to place it on is 11 3/4 feet wide. About how
PolarNik [594]
First turn 1/2 to 2/4 so you have a common denominator.
Next turn the mixed numbers into improper fractions:
11 3/4 --> 47/4 and 8 2/4 --> 34/4
Subtract:
47/4 - 34/4 = 13/4
Divide:
13/4 = 3.25
3.25/2 --> 1.625 or 1 5/8
Therefore, he will have to place it 1 5/8 feet from each side

Hope this helps!
6 0
3 years ago
The average American consumes 8.8 liters of alcohol per year. Does the average college student consume less alcohol per year? St
lianna [129]

Answer:

Null hypothesis: u = 8.8 liters

Alternative hypothesis: u < 8.8 liters

Step-by-step explanation:

The null hypothesis is always opposite to Tue alternative hypothesis and is the default hypothesis.

In this case study, the null hypothesis is that the average American consumes 8.8 liters of alcohol per year: u = 8.8

The alternative hypothesis is that does the average American consumes less than 8.8 liters of alcohol per year: u < 8.8 liters

5 0
3 years ago
What is the area of a square if one side is 14 centimeters long?
natima [27]

Answer:

A=a2=142=196cm²

Answer: 196 cm²

hope this helps :)

5 0
2 years ago
Read 2 more answers
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