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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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5(x - 3) + 6 = 5x - 9 has no solution

<em><u>Solution:</u></em>

We have to find the number of solutions for the given equation

Given equation is:

5(x - 3) + 6 = 5x - 9

Multiply the terms inside with bracket with constant outside the bracket

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Add the constants in left hand side of equation

5x - 9 = 5x - 9

If the coefficients are the same on both sides, then the sides will not equal, therefore no solutions will occur.

Here, 5x - 9 = 5x - 9

The coefficients are same in both sides of equation

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3 years ago
Nikki is 5 years older than Jamie. The product of their ages is 126. Which equation could be used to find Nikki’s age, n?
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Answer:

126 = n × (n - 5)

Step-by-step explanation:

If Nikki's age is <em>n </em>and she is 5 years older than Jamie, then Jamie is 5 years younger than Nikki's <em>n </em>number of years.

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Step-by-step explanation:

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 The table below lists the median heights (in cm) of girls from ages 2 to 10. Find an equation for the line of best fit.
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Answer: Hey I'm sorry I didn't get to answer your question it's just that I need the points because I don't have enough to get help with my question. I hope you get the answer that you need for you question. Good Luck :)

Step-by-step explanation:

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