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Mars2501 [29]
3 years ago
7

HELP ME PLEASE IF YOU WANT :(

Mathematics
2 answers:
siniylev [52]3 years ago
8 0

Question 6:

Answer is 309,000,000

Step-by-step explanation:

30.9*10^{8}=309,000,000

ella [17]3 years ago
3 0

Answer:

309,000,000

Hope this helps!

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The reason fractions need a common denominator before adding or subtracting is so that the numbers of pieces you are adding/subtracting are all the same size. Note that the numerator of a fraction just tells you how many pieces you have of that size.
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There are 360 boys in green valley elementary school elementary school there are 180 there are 180 more boys then girls
HACTEHA [7]
Your answer to this problem is 180 girls in green valley elementary school.
8 0
3 years ago
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If A and B are mutually exclusive events, then P(A or B) = P(A) + P(B).
Korolek [52]

Answer:

P(A or B) = 25%

Step-by-step explanation:

P(A and B) = 30%

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8 0
3 years ago
If x is a rational number and y is the opposite of x, why do x and y have the same absolute value
grin007 [14]

Answer:

Absolute value is the distance away from zero, so if x is a rational number and y is opposite, they would both be the same distance away from zero, regardless of their sign.  

Step-by-step explanation:

Absolute value is the distance of a number away from zero.  For example, if x is equal to the rational number -2, the absolute value of -2 is just 2, given that both 2 and -2 are only a distance of 2 away from the number zero.  Think of it as your walk or drive to school.  If you live 4 miles from school, you drive a distance of 4 miles there and 4 miles back.  That distance is not calculated as a positive 4 miles there and a negative 4 miles back, but rather just 4 miles there and 4 miles back, for a total distance of 8 miles.  So, if x=4 and y=(-4), the absolute value of both would be 4.  

8 0
3 years ago
0.4074 rounded to the nearest thousand
luda_lava [24]
0.4070 :) hope i helped you
8 0
3 years ago
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