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Svetradugi [14.3K]
3 years ago
10

Shureka Washburn has scores of 81, 67, 79, and 43 on her algebra tests. Use an inequality to find the scores she must make on th

e final exam to pass the course with an average of 71 or higher, given that the final exam counts as two tests.
Mathematics
1 answer:
nevsk [136]3 years ago
4 0

Answer:

72+67+82+79=300

300/4=75

300+81+81=462

462/6=77

Step-by-step explanation:

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The question is Max owes Becky for the movie how much.. the pizza information is a distractor. 

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2 x (9.80) + 1/2 x (9.80) = 19.60 + 4.90 = $24.50 total all 3 tickets 

Since they agree to split the cost equally, divide total cost by 3
24.50 / 3 = $8.16 each 

The answer is: Between $8 and $10
8 0
3 years ago
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It took 2/3 of an hour to complete her science homework. It took Bethany 3/4 of the amount of time to do her math homework as he
SOVA2 [1]
We know there are 60 minutes in an hour.  To find 2/3 of an hour we divide 60/3 to find 1/3 and multiply by 2 so:
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We do the same thing with the 40 minutes.  To find 1/4 of 40 minutes we divide 40 by 4 and then multiply it by 3 to get 3/4 so:

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It took her 10 more minutes to complete her science homework.

Hope that helps


3 0
3 years ago
Please help with question
Step2247 [10]
To solve this problem you must apply the proccedure below:

 1. Let's call:

 x: hot dogs.
 y: hamburguers.

 2. Then, you must make a system of equations, as below:

 5x+4y=12.25  (i)
 4x+5y=12.50  (ii)

 3. Now, you can solve the system of equation as below:

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 x=(12.25-4y)/5

 4x+5y=12.50
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8 0
3 years ago
Simplify
fiasKO [112]
The answer is d have a nice day
8 0
3 years ago
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You pick a card at random, put it back, and then pick another card at random. 2 3 4 5 What is the probability of picking a numbe
olga_2 [115]

Answer:

3/4 or a 75% chance

Step-by-step explanation:

Out of 4 cards ( 2 3 4 5), here are the cards greater than 3: 4, and 5. That leaves you with a 2/4 chance of drawing one of them. (2 cards, 4 in total).

Then, picking a 4 out of 4 cards is a 1/4 chance; since that is one card out of 4 total possibilities.

1/4 + 2/4 = 3/4. Or, a 75% chance.

3 0
3 years ago
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