3 years ago

X+2y = 5 3х +6y = 15 Use the substitution method

1 answer:

8 0

X=1 Y=2 the reason is 1+2*2= 5 and 3*1+6*2= 15. I explained it better in the picture. If it’s right, plz mark me as brainliest

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3. Michel invests $850 at 7%/a simple interest. How long will he

Kipish [7]

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2 years ago

Find the probability of having 2,3, or 4 successes in five trials of a binomial experiment in which the probability of success i

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Answer:

65.3%

Step-by-step explanation:

Binomial distribution PMF below (along with a description)

the probabilty of getting 2, 3, or 4 successes in 5 trials is just

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p(2)= 5C2*.4²*(1-.4)³ = .3456

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p(4)= 5C4*.4⁴*(1-.4)=.0768

.3456+.2304+.0768= .6528

6 0

2 years ago

in a bag of candies there are `3 red candies, 13 green candies, 13 yellow candies, and 13 blue candies. If you choose 1 candy fr

rodikova [14]

Answer:

29/42

Step-by-step explanation:

No. of red candies = 3

No. of green candies = 13

No. of yellow candies = 13

No. of blue candies = 13

T.T = 42

Probability that candy will not be blue= 13+13+3 = 29

= 29/42

Hope it helps!

Pls mark me brainliest

Have a good day.

8 0

2 years ago

Help pleaseee, much appreciated

Vitek1552 [10]

Answer:

smallest triangle BCD

x = 15

Step-by-step explanation:

9/x = x/(16 + 9)

x² = 25(9)

x = ±15

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3 years ago

HELP ASAP ! NO GUESSING, I BEG YOU. // 5(4x + 2) ÷ 7y

Mrrafil [7]

Hope this photo helps

6 0

3 years ago

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