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Oksi-84 [34.3K]
3 years ago
12

The kilo- prefix in the metric system means _______ units.

Mathematics
1 answer:
aivan3 [116]3 years ago
6 0
Kilo means 1000 units

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A grocer has 2 types of tea, one for sells for $8.00 per pound and the other for $6.00. How many pounds of each kind must he use
fiasKO [112]
Equation::
value + value = value
80x + 60(50-x) = 74*50
----
80x + 60*50 - 60x = 74*50
----
20x = 14*50
x = 35 lbs (amt. of 80 cent tea to use)
50-x = 15 lbs (amt. of 60 cent tean to use)
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A board game has 26 tiles labeled with alphabet letters. Players draw 1 tile at a time. Over 260 different drawings, how many ti
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Answer: The probablty is is 41221/26 or 0.00669%

Step-by-step explanation:

Drawing tiles from the bag at one time is mathematically equivalent to drawing one tile 4 times inculding the vowel, without replacement.

If we get one of these 4 letters on draw 1, then on draw 2, we'll have 3 possible successful draws out of the 25 tiles left.

This pattern continues down to draw 4. Since each draw is independent, we just multiply the probabilities together:

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3 years ago
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Over 44% of the 30 students in a class read a book last month. What are the possible numbers of students in the class who read a
AlladinOne [14]

Answer:

75

Step-by-step explanation:

30÷40%=75

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3 years ago
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The base of the following pyramid is a square. If the surface area of the pyramid is 896 in^2, what is it's volume? Side base le
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Answer: 457.3

Step-by-step explanation:

V=\frac{lwh}{3}

V=\frac{14*14*7}{3}= 457.3

7 0
3 years ago
The sum of two numbers is twice their difference. the larger number is 2 more than twice the smaller. find the numbers. smaller
MatroZZZ [7]
X+y=2(x-y)
x+y=2x-2y
3y=x
x-2y=2
then,substitute
(3y)-2y=2
y=2
so,x=3(2)
x=6
x the largest
y the smallest

6 0
3 years ago
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