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murzikaleks [220]
3 years ago
13

a jar contains 30 red, 40 blue, and 50 white buttons. you pick one button at random, find the probability that it is red or blue

Mathematics
2 answers:
abruzzese [7]3 years ago
5 0

Answer:

0.58 rounded to the nearest hundredths

Step-by-step explanation:

30+40+50=120

now add red+blue

30+40=70

70/120

pls mark me brainliest

Afina-wow [57]3 years ago
4 0

Answer: 25/120

Step-by-step explanation: if you do a proportion with x over 100 alongside 30 over the total 120 then solve. (30 times 100 divided by 120 to solve for x) you get 25!

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masha68 [24]

Answer: 1, 4

Step-by-step explanation:

  • Number #1 = x
  • Number #2 = \frac{1}{4} x

\frac{1}{4} x+x=5\\\\\frac{1}{4} x+\frac{4}{4} x=5\\\\\frac{5}{4} x=5\\\\5x=4*5\\5x=20\\x=4

  • Number #1 = x = 4
  • Number #2 = \frac{1}{4} x = \frac{1}{4} *4=\frac{4}{4} =1
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If, while training for a marathon, you ran 54 miles in 2 2/3 months, how many miles did you run each month?
borishaifa [10]

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4 years ago
9th grade math please help its urgenttt
vovangra [49]

Answer:

B

Step-by-step explanation:

observe

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3 0
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46/532 Divide. this is for a test so please get it right (whoever gets it right gets 15 brainly points also i need two people to
Natalija [7]

Answer:

0.086466165413534

Step-by-step explanation: used a calculator

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9x - 3y = 3 <br>3x + y = 1​
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Answer:

hi there

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Step-by-step explanation:

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