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2 years ago

5

Mathematics

1 answer:

Lina20 [59]2 years ago

3 0

The probability of not drawing a black marble is 4/5

The probability of drawing a red marble is 3/10

<h3>What are the probabilities?</h3>

Probability determines the odds of the occurrence of a random event. The probability the event occurs is 1 and the probability that the event does not occur is 0.

Probability of not drawing a black marble = total marbles that are not black / total number of marbles

(5 + 3) / (5 + 3 + 2) = 8/10 = 4/5

The probability of drawing a red marble = total number of red marbles / total number of marbles

= 3/10

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

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What is the Value of x+y ? PLZ Help ASAP

Natalija [7]

ANSWER

$x + y = 60$

EXPLANATION

Method 1

Vertically opposite angles are equal, therefore

$3x + 55 = 85$

This implies that,

$3x = 85 - 55$

We simplify to get,

$3x = 30$

Dividing through by 3 gives,

$x = 10$

Also,

$2y - 5 = 95$

This implies that,

$2x = 95 + 5$

We simplify the right hand side to get,

$2x = 100$

We divide both sides both sides by 2 to get,

$x = 50$

$x + y = 50 + 10$

$x + y = 60$

Method 2

Angles on straight line sums to 180°.

$2y-5+85=180$

This implies that,

$2y+80=180$

$2y=180-80$

$2y=100$

$y=50$

Also,

$3x+55+95=180$

$3x+150=180$

$3x=180-150$

$3x=30$

$x=10$

$x+y=50+10$

$x+y=60$

7 0

3 years ago

Read 2 more answers

31/35 a su minima expresion<br>

OverLord2011 [107]

Answer:

0.8857142857

Step-by-step explanation:

31 divided by 35 equals 0.8857142857

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3 years ago

Choose Yes or No to tell if the number 35 will make each equation true.

Vladimir79 [104]

The monthly earning of two employees are determined by the number of products they sell in that month, plus a fixed amount.
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Each month, this employee earns $245 per product sold plus $1,600.

Employee Y:

E = 270p + 1,750, where E is the monthly earnings and p is the number of products sold.

(How much does each employee earn if they do not sell any products that month?

Employee X earns $[?]

Employee Y earns $[?]

4 0

2 years ago

he actual weights of 10 sample “1 lb packages” of meat are found to be: sample 1 2 3 4 5 6 7 8 9 10 weight 1.01 1.03 0.98 0.99 1

Viefleur [7K]

To do this problem, add up all the numbers and divide by the amount of numbers:

1.01+1.03+.98+.99+1.01+1.02+.98+1.05+.97+.98
10.02

Now divide by 10 (the amount of samples)

10.02/10
1.002

The Mean of the Data Set is 1.002

Hope this helps!

8 0

3 years ago

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What is the equation of the line that passes through the points (4/5, 1/5) and (1/2, 3/2)?

zavuch27 [327]

Answer:

y=-13/3x+11/3

Step-by-step explanation:

(1.5-0.2)/(0.5-0.8)=1.3/-0.3=-13/3

-13/3(0.5)+b=1.5

b=11/3

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3 years ago