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Musya8 [376]
2 years ago
15

You just received your final exam score from your teacher. At the top of an exam, it says you missed five questions and got 33 o

ut of 38 questions correct, for a score of 78%. You think your teacher may have made an error when calculating your percentage. Which sentence best describes the test score you received?
Mathematics
1 answer:
lys-0071 [83]2 years ago
3 0

Answer:

hope this helps you◉‿◉◉‿◉

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Luis was worried about his Spanish final exam grade. The test had 200 questions, and he got
rodikova [14]

Answer:

Luis:

\frac{175}{200} \times 100\% = 87.5\%

Marina:

\frac{130}{150}  \times 100\% = 86.6\%

Answer: Marina got the better percent score than Luis

Marina:

7 0
2 years ago
I will give Brainiest if you are right
dmitriy555 [2]

Answer:

The answer is $22.75! (A)

Step-by-step explanation:

All you have to do is subtract $36.50 by $13.75 and get the amount of the 2nd piggy bank.

22.75 + 13.75 = 36.50

8 0
3 years ago
Sup community simplify this in 5 mins −5·(−a)·(−a)·(−4)·a thx 4 help!!!!1111!!!1!111
liraira [26]

Answer:

20a³

Step-by-step explanation:

Simply multiply:

-5(-4) = 20

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20a³

6 0
2 years ago
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Use the definition of logarithm to simplify each expression.
konstantin123 [22]
1)\ \ \ log 10 ^{10}=x\ \ \ \Leftrightarrow\ \ \ 10^x=10^{10}\ \ \ \Leftrightarrow\ \ \ \ \ \ x=10\\\\2) \ \ \ log 10 ^{100}=x\ \ \ \Leftrightarrow\ \ \ 10^x=10^{100}\ \ \ \Leftrightarrow\ \ \ x=100\\ \\ 3)\ \ \ log 10 ^ {10-4}=x\ \ \ \Leftrightarrow\ \ \ 10^x=10^{10-4}\ \ \ \Leftrightarrow\ \ \ x=6
7 0
3 years ago
While bowling with friends, Brandy rolls a strike in 57 out of 72 frames. what is the experimental probability that brandy will
gogolik [260]

Answer:

79.17% probability that brandy will roll a strike the first frame of the next game

Step-by-step explanation:

The experimental probability is the probability based on previous outcomes, that is, the number of desired outcomes divided by the number of total outcomes.

While bowling with friends, Brandy rolls a strike in 57 out of 72 frames. What is the experimental probability that brandy will roll a strike the first frame of the next game?  

Desired outcomes:

57 strikes

Total outcomes:

72 frames

Probability:

p = 57/72 = 0.7917

79.17% probability that brandy will roll a strike the first frame of the next game

3 0
3 years ago
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