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alexandr402 [8]
3 years ago
8

Please help me i am taking a test and i really need help

Mathematics
2 answers:
Zinaida [17]3 years ago
8 0

Answer:

31.4

Step-by-step explanation:

Rufina [12.5K]3 years ago
4 0

Answer:

31.4159in

Step-by-step explanation:

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Whick error did she do and what the correct answer
marusya05 [52]

Answer:

The second one. The -2y should have been +2y

Step-by-step explanation:

a negative multiplied by a negative gives you a positive

8 0
3 years ago
Read 2 more answers
There is 1/4 chance of picking a green marble from a bag. IF there are 20 total marbles in the bag, how many marbles must be gre
matrenka [14]

Answer:

5 green marbles.

Step-by-step explanation:

20* 1/4 = 5

8 0
3 years ago
Find the mean and the median of this data set: 9, 6, 5, 3, 28, 6, 4, 7
Ugo [173]

Answer:

The means is 8.5 The Median is 6

Step-by-step explanation:

1) to find the mean just Simply add all the numbers together and divided by how many numbers that is giving. (Because you are simply finding the average)

9+6+5+3+28+6+4+7=68

68 divided by 8 = 8.5

2) to find the median simply organize the numbers from least to greatest Like this: (3,4,5,6,6,7,9,28) Then keep crossing out from both sides teal you find the middle Number.

If there a odd amount of number the median will be one Number, if even 2 numbers ( if 2 numbers just add them both and divide by 2)

In This Case the Median is 6,6 but Its actually 6 Why (6+6=12) and (12/2=6) so your median is 6.

<em>Hopes This helps!</em>

8 0
3 years ago
Read 2 more answers
3c+2d=2;d=4 step by step
mina [271]
Hi there!

3c + 2d = 2 for d = 4
3c + 2(4) = 2
3c + 8 = 2
Subtract 8 to both sides
3c + 8 - 8 = 2 - 8
3c = -6
Divide both sides by 3
3c/3 = -6/3
c = -2

I hope I helped!
6 0
3 years ago
What is the least common denominator of 64 88 and 92
Romashka-Z-Leto [24]

Answer:

16192

Step-by-step explanation:


The Least Common Multiple (LCM) of the numbers

88,92,64

is

16192


7 0
3 years ago
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