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s344n2d4d5 [400]
3 years ago
15

A bag contains 6 red marbles, 6 white marbles, and 4 blue marbles find P(red or blue).

Mathematics
1 answer:
Sedbober [7]3 years ago
4 0
We are given with a number of marbles in different colors. The sample space includes all the marbles inside the bag, hence tehere are 16 marbles. The probability of getting a red or blue marble is the sum of probability of getting a red marble alone and that of a blue marble alone. Hence the answer is (6+4)/16 equal to 5/8
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(see image for question)
almond37 [142]

Answer:

Hans has done a mistake in the second step.

The correct answer is:

5x^2+13x-6=0

5x^2+15x-2x-6x=0 - 5. -6=-30 -30=15. -2

5x(1+3x)-2x(1+3x)=0

(5x-2x)(1+3x)=0

5-2x=0 1+3x=0

x=5/2 x=-1/3

4 0
2 years ago
Which expression is the radical form of m to the power of -0.3333
Evgen [1.6K]

Answer:

A1/ ∛m

Step-by-step explanation:

m ^ (-1/3)

this is m to the cubed root in the denominator

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8 0
3 years ago
Juan will spend $28 on gifts. So far, he has spent 16. What are the possible additional amounts he will spend?
harina [27]

Answer:

16

Step-by-step explanation:

because juan is spend 28 on gift and he added a 16 .

7 0
2 years ago
Even if I have use bidmas I'm still confuse with this equation <br> (-7i)(2+i)+(2i)(-7i)
zheka24 [161]
Assuming "i" is an imaginary unit:
(-7i)(2+i)+(2i)(-7i)=\\&#10;-14i+7+14=\\&#10;21-14i
5 0
3 years ago
A family buys a refrigerator that costs € 840 paying a 30% cash deposit and the rest in 6 monthly installments, what is the amou
krok68 [10]

Answer:

€98.

Step-by-step explanation:

A 30% deposit is 0.30 * 840

=  €252.

So there is 840 - 252

=  €588 left to pay.

The amount of each monthly instalment

= 588 / 6

=  €98.

8 0
3 years ago
Read 2 more answers
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