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LiRa [457]
3 years ago
10

Which of the students found the correct value of their expression? Select all that are true. None of the students Student 2 Stud

ent 1 Student 3 I will give you TEN BIG POINTS PLZ HELP.
Mathematics
1 answer:
Mariulka [41]3 years ago
6 0

Answer:

Step-by-step explanation:

Student 2 and student 1

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nata0808 [166]
Count:5Sum:341Mean:68.2Median:62Mode:48, 40, 93, 62, 98
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write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 40 to 56
masha68 [24]

Answer:

  5/7

Step-by-step explanation:

A common factor of 8 can be canceled from numerator and denominator.

  40/56 = (5·8)/(7·8) = (5/7)·(8/8) = (5/7)·1 = 5/7

_____

Since you know your multiplication tables, you know that 40 and 56 are both multiples of 8.

__

If you don't know your multiplication tables, you can find the greatest common divisor (GCD) of the two numbers and divide each by that. The GCD can be found using Euclid's algorithm. For that, you divide the larger by the smaller and use the remainder as the new smaller number. The original smaller number is now the larger number. For these numbers, that looks like ...

  56 ÷ 40 = 1 r 16

  40 ÷ 16 = 2 r 8

  16 ÷ 8 = 2 r 0 . . . . . the zero remainder signals that the divisor (8) is the GCD

Now, your fraction is ...

  (40/8) / (56/8) = 5/7

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3 years ago
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I need help with this
BigorU [14]

no u can only buy 6, or u dont have enough money for 7

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3 years ago
Which of the expressions below can be factor using the difference of squares method
Law Incorporation [45]
25x^2 - 64y^2

The first thing you can do is look for a subtraction sign. The word difference implies subtraction, so you can rule out any expressions that add terms. Secondly, you can look for squares. 17x^2 - 23y^2 is a subtraction expression, but 17 and 23 are not squares. However, 25x^2 - 64x^2 is a subtraction expression and its terms are squares. 25 = 5x5, 64 = 8x8. Hope this helps!
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3 years ago
What is the speed, if distance is 900 miles and time 300 minutes​
riadik2000 [5.3K]

Answer:

3 mi/min

Step-by-step explanation:

speed =distance/time

900/300=3

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