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dimulka [17.4K]
4 years ago
7

Caleb scored 60 on his first math test. He studied diligently for the next test and earned a score of 90. What is his percent of

increase from the first test to the second test? A. 15% B. 30% C. 50% D. 66 2/3%
Mathematics
1 answer:
Scrat [10]4 years ago
7 0

Your answer would be C. 50%

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9 x 100 + 1 x 1/10 + 3 x 1/100
Bess [88]

Answer: 900.13, or 900 13/100

Step-by-step explanation: PEMDAS, multiply first, than add.

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3 years ago
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The square of x increased by the cube of y
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Find the volume of the pyramid below.
MaRussiya [10]
The answer is B! Hoped I help ! If correct mark me brainly! Have a great day!
6 0
3 years ago
Which expression belongs
Nutka1998 [239]

For the expression to be equal to the original one, we have;

[(x + 1) * 5(x - 1)(x + 4)]/[(x - 1) * 7x]

<h3>How to Simplify Algebraic Expressions?</h3>

We are given the algebraic expression;

(5x² + 25x + 20)/(7x)

Now, looking at the numerator, a common factor to all terms is 5. Thus, we will factorize it out to get;

5(x² + 5x + 4) = 5((x + 1)(x + 4))

Now, we see that the expression that simplifies the algebra is given as;

[(x² + 2x + 1) * ( )]/[( ) * (7x² + 7x)]

Now, the numerator and denominator can be factorized to get;

[(x + 1)(x + 1) * ( )]/[( ) * 7x(x + 1)]

Thus, x + 1 will cancel out to get;

[(x + 1) * ( )]/[( ) * 7x]

For the expression to be equal to the original one, we have;

[(x + 1) * 5(x - 1)(x + 4)]/[(x - 1) * 7x]

Read more about Algebraic Expressions at; brainly.com/question/723406

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5 0
2 years ago
What’s 20 plus 43 I’m doing this for no reason btw
lyudmila [28]

Answer:

63

Step-by-step explanation:

add 43 and 20 lol

3 0
4 years ago
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