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lisov135 [29]
3 years ago
5

a student earned a grade of 80% on a math test that had 25 problems. how many problems on this test did the student answer corre

ctly

Mathematics
2 answers:
Mamont248 [21]3 years ago
6 0
80% of 25
percent means parts out of 100
'of' means multiply
80% of 25 means
80/100 times 25=40/50 times 25=20/25 times 25=20

answer is 20 problems
algol133 years ago
6 0
25×0.8= 20. just to back the other answer up
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anyanavicka [17]

<u>The overall </u><u>algebraic  expression</u><u> will be:   </u>\frac{5(x+11)}{3(x+8)}<u />

Definition of algebraic expression -

An expression obtained by a finite number of the fundamental operations of algebra upon symbols representing numbers.

Five times the sum of a number and eleven, divided by three times the sum of the number and eight.

Let the number be x.

Five times the sum of a number and eleven means 5 multiplied to the sum of x and 11. In expression this will be written as:

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Three times the sum of the number and eight means 3 multiplied to the sum of x and 8. In expression this will be written as:

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So, the overall <u>algebraic</u> expression will be:    \frac{5(x+11)}{3(x+8)}

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3 0
2 years ago
Solve for x<br><br> x+0.15x=3.45
otez555 [7]
Answer: x should equal 3
5 0
3 years ago
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Travis has a budget of $300 that he can spend on perennial flowers and at least 6 annual flowers. Perennial flowers are 18 dolla
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Answer:

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Step-by-step explanation:

Variables are defined in the problem statement.

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6 0
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Mashutka [201]
<span>9*45
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answer
</span>Distributive property of 9*45 =  9(40 + 5)
8 0
3 years ago
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