Nicole usually scores between 89%
1 answer:
Answer:
B
Step-by-step explanation:
Nicole usually scores between 89% and 100% on her math quizzes.
On the quizzes she takes right after a track meet, she has about an 11% decrease in her score, so she will earn 100% - 11% = 89% of her usual score.
1. 89% of 89% is
2. 89% of 100% is
So, if Nicole had a track meet the day before a quiz, her score would be between 79% and 89%.
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Answer:
The height of a large block is of 12.1 inches and of a small block is of 7.7 inches.
Step-by-step explanation:
This question is solved using a system of equations.
I am going to say that:
x i the height of a large block.
y is the height of a small block.
Taylor uses 4 large blocks and 2 small blocks to make a tower 63.8 inches tall.
This means that:
Simplifying by 2:
So
Natsumi uses 9 large blocks and 4 small blocks to make a tower 139.8 inches tall.
This means that:
Since
The height of a large block is of 12.1 inches and of a small block is of 7.7 inches.