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1 year ago

Find the probability of picking a purple marble from a jar with 9 green and 10 purple marbles.

Mathematics

1 answer:

xeze [42]1 year ago

8 0

Answer:

$\sf c) \quad \dfrac{10}{19}$

Step-by-step explanation:

Given information

9 green marbles
10 purple marbles
Total marbles = 10 + 9 = 19

$\sf Probability\:of\:an\:event\:occurring = \dfrac{Number\:of\:ways\:it\:can\:occur}{Total\:number\:of\:possible\:outcomes}$

$\implies \textsf{P(purple marble)}= \sf \dfrac{10}{19}$

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Solve the system of equations. 3x – 4y = 8 18x – 5y = 10 x= y =

Zepler [3.9K]

Answer:

Step-by-step explanation:

Solution by substitution method

3x-4y=8

and 18x-5y=10

Suppose,

3x-4y=8→(1)

and 18x-5y=10→(2)

Taking equation (1), we have

3x-4y=8

⇒3x=4y+8

⇒x=( 4y+8)/ 3 →(3)

Putting x= (4y+8 )/3 in equation (2), we get

18x-5y=10

18( (4y+8) /3) -5y=10

⇒24y+48-5y=10

⇒19y+48=10

⇒19y=10-48

⇒19y= -38

⇒y=- 38 /19

⇒y= -2→(4)

Now, Putting y=-2 in equation (3), we get

x=4y+8

x= (4(-2)+8) /3

⇒x= (-8+8)/ 3

⇒x= 0/ 3

⇒x=0

∴x=0 and y= -2

5 0

2 years ago

ANY MATH EXPERTS PLS HELP RN I GOT 30 MIN LEFT I'll MARK BRAINLIEST TO WHO ANSWER'S FIRST

garri49 [273]

Answer:

y = -1/4x - 6

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

Step-by-step explanation:

Step 1: Define

Find points from the graph.

Point (-4, -5)

y-intercept (0, -6)

Step 2: Find slope m

Substitute: $m=\frac{-6+5}{0+4}$
Add: $m=\frac{-1}{4}$

Step 3: Write linear function

y = -1/4x - 6

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2 years ago

How do i delete questions.............

tia_tia [17]

Answer:

lol same

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Order these numbers from least to greatest: 4<img src="https://tex.z-dn.net/?f=%5Cpi" id="TexFormula1" title="\pi" alt="

Elena L [17]

Answer:

18,14,9

Step-by-step explanation:

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2 years ago

Which of the following ratios is not equal to the other two?

shutvik [7]

Answer:

2:1

Step-by-step explanation:

1/2 equals 1:2. Hope this helped!!

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3 years ago