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nignag [31]
3 years ago
8

Ve spent the whole weekend grading math assignments. I graded 30 students

Mathematics
1 answer:
OLga [1]3 years ago
3 0

Answer:

75

Step-by-step explanation:

How many students is 1% of the class, 30/40=0.75, so you could do 0.75x100=75, or you could do 0.75x60=45, and 45+30=75.

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Two times the quantity of seven less than one fourth of a number is equal to four more than one third of the number what is the
Evgen [1.6K]

Answer:

60?

Step-by-step explanation:

5 0
3 years ago
This is the problem that I need help with please. :)
Anna35 [415]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Viola has a part time job in which she is paid an hourly basis for every hour up through 40 hours. For each hour after 40 hours,
blondinia [14]

Answer:

15.5

Step-by-step explanation:

for every hour we can say that the wage is x

hence we can create an equation:

40x + 160%*x = 644.80

now solve for x

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3 0
3 years ago
Read 2 more answers
(03.02 LC)
zzz [600]
15
as
15²=12²+9²(using Pythagoras theorem)
or
225= 144+81
225=225
(the Pythagorean theorem, also known as Pythagoras's theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides. )
8 0
3 years ago
Read 2 more answers
Match each whole number with a rational, exponential expression. 1. 216 2. 512 3. 8 4. 729 5. 27 6. 343
Crank

Answer:

216 - 6^3

512 - 2^9

8 - 2^3

729 - 3^6

27 - 3^3

343 - 7^3

6 0
3 years ago
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