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3 years ago

Please help again! Please

Mathematics

1 answer:

Troyanec [42]3 years ago

6 0

1 glass of juice cost $3

1 glass of limonade costs $2

So the proportion between them (Orange) / (juice) = 3/2 or 3¹/₂

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Q3: Rose collected 4 flowers in the morning and 3 in the evening. She continued the activity for 2 weeks. At the end of 2 weeks,

satela [25.4K]

Answer: she had 98 flowers

Step-by-step explanation: (4+3)x(7x2)

6 0

3 years ago

Josh and Lucy share some money in the ratio of 3 : 7 they share 84 in total how much money does Josh receive

Ann [662]

27.30 is the answer

7 0

2 years ago

A bag contains 6 black marbles and 4 white marbles. Sally takes out a black marble and does not put it back. What is the probabi

Neko [114]

Answer:

$\frac{5}{9}$

Step-by-step explanation:

$Total\ marbles=10\\\\Black=6\\\\White=4$

After removing one black marble:

$Total\ remaining\ marbles=9\\\\Remaining\ Black=5\\\\P(Black)=\frac{Remaining\ Black\ marbles}{Total\ remaining\ marbles}\\\\P(Black)=\frac{5}{9}$

6 0

3 years ago

A bet on "black" in Roulette has a probability of 18/38 of winning. If you win, you double your money. You can bet anywhere from

abruzzese [7]

Answer:

Check the explanation

Step-by-step explanation:

let the money on bet is X.

probability of winning =18/38=9/19

probability of losing =(1-9/19)=10/19

expected outcome = $\tiny \sum$ probability *return =(

Expected value of return after one bet is =(9/19*x)-(10/19*x)=-1x/19

it is negative which is obvious cause casinos are there to earn money.

a) Our best strategy in this case as probability of winning is near by 50 %, we should place a bet of 1 $ each,and when we lose one bet consecutively we should bet twice the amount..

Cause two consecutive losses on black has less probability.

c) In case we have to reach 30 $ we have to use the same strategy as above.

7 0

3 years ago

How to do the substitution in math?

seraphim [82]

Substitution method can be applied in four steps

Step 1:

Solve one of the equations for either <span>x = </span>or y = .

Step 2:

Substitute the solution from step 1 into the other equation.

Step 3:

Solve this new equation.

Step 4:

Solve for the second variable.

hope this helps you!

4 0

3 years ago