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skelet666 [1.2K]
2 years ago
11

Rebecca answered 42 of 60 questions correctly on a test which method should he she used to find the percent of question she answ

ered correctly
Mathematics
2 answers:
antiseptic1488 [7]2 years ago
8 0

Answer:

Step-by-step explanation:

MakcuM [25]2 years ago
3 0

She answered 70% questions correctly

Further explanation:

Percetages are used to calculae the success or failure in tests or exams usually.

Given

Total\ questions= 60\\The\ questions\ attempted\ correctly=42

The percentage will be calculated as follows:

Percentage\ of\ correctly\ answered\ questions=\frac{Correct\ questions}{Total\ questions}*100\\= \frac{42}{60}*100\\=70\%

She answered 70% questions correctly

Keywords: Percentage, Success rate

Learn more about percentage at:

  • brainly.com/question/9532142
  • brainly.com/question/9590016

#LearnwithBrainly

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What percent of 80 is 28
serious [3.7K]

Answer:

35%

Step-by-step explanation:

easy way to remember: \frac{28}{80} *1 00

= 0.35 *100

= 35%

5 0
3 years ago
Read 2 more answers
. A high school currently has a 30% dropout rate. They’ve been tasked to decrease that rate by 20%. Find the equivalent percenta
Crazy boy [7]

Answer:

The equivalent percentage point drop = 10%

Step-by-step explanation:

The percentage point change is the difference between the final and initial values.

The percentage change is the difference between the final and initial values

divided by the initial value

It is required to decrease the dropout rate from 30% to 20%

The point change = 20 - 30 = -10 (-ve change ⇒ decrease)

The percentage change = \frac{10}{30}*100 = 33.33_%%

So, the equivalent percentage point drop = <u>10%</u>

And the percentage change = <u>33.33%</u>

3 0
3 years ago
Me pueden ayudar en esto por favor​
Whitepunk [10]

Answer:

2cm: 6.28

4cm: 12.56

6cm: 18.84

8cm: 25.12

10cm: 31.4

12cm: 37.68

Step-by-step explanation:

3 0
3 years ago
The temperature at 9am was 4 degrees Celsius. At 7pm the temperature was
madam [21]

Answer:

i'm not sure

Step-by-step explanation:

4 0
2 years ago
A technician is launching fireworks near the event of a show. Of the remaining 11 fireworks, 4 are blue and 7 are red. If she la
SpyIntel [72]

\displaystyle |\Omega|=\binom{11}{6}=\dfrac{11!}{6!5!}=\dfrac{7\cdot8\cdot9\cdot10\cdot11}{2\cdot3\cdot4\cdot5}=462\\ |A|=\binom{4}{2}=\dfrac{4!}{2!2!}=\dfrac{3\cdot4}{2}=6\\\\ P(A)=\dfrac{6}{462}=\dfrac{1}{77}\approx1\%

8 0
3 years ago
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