A.
11m + 4n
B.
m + 10n
C.
11m + 10n
D.
15mn
Answer:
11m + 4n
Step-by-step explanation:
6m + 7n+ 5m -3n
= 6m +5m + 7n - 3n
=11 m + 4n
Total questions on the test were 25.
What is Percentage?
In mathematics, a percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%".
According to questions, victoria took a test and got 80% of the questions right. She answered 20 questions correctly.
Let the total questions on the test be .
We will get the following equation according to information:
% ×
⇒0.8 ×
⇒
⇒
Hence, we can conclude that there are questions in the test.
Learn more about percentage here:brainly.com/question/13450942?referrer=searchResults
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Answer: the answer is 25
Step-by-step explanation: she has 25 questions on the test
Answer:
4,500
Step-by-step explanation:
To estimate the mass of 10,000 peanuts, multiply the mass of one peanut (0.45 grams) by 10,000. The reasonable guess for the mass of 10,000 peanuts would be 4,500 grams.
To estimate the mass of 10,000 peanuts, we need to multiply the mass of one peanut (0.45 grams) by 10,000. Using multiplication, we can calculate the mass of 10,000 peanuts as:
0.45 grams x 10,000 = 4,500 grams
Therefore, a reasonable guess for the mass of 10,000 peanuts would be 4,500 grams.
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