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4 years ago

Need help with these.. it wants you to find the probability. please help!?

Mathematics

1 answer:

Scorpion4ik [409]4 years ago

8 0

755 hope this helps jshs

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Please help! 30 points !!

GenaCL600 [577]

Answer:

1. C

2. C

Step-by-step explanation:

1. 5x+12=57

Subtract 12 from both sides

5x=45

Divide both sides by 5

x=9

2. 7-4x=12-3x

Combine like terms =

-4x+3x=-12-7

x=-12-7

x=19

3 0

3 years ago

Given A (-6, -5) and T(x - 3, y + 2), state A" after a reflection over the x-axis of the point T(A).

Stolb23 [73]

The answer is the second one

4 0

4 years ago

Two local hotels, X and Y, rent out rooms nightly. Let X represent the number of rooms hotel X rents out nightly, and let y repr

andrey2020 [161]

Answer:

subject?

Step-by-step explanation:

5 0

4 years ago

Read 2 more answers

A roulette wheel has the numbers 1 through 36, 0, and 00. A bet on five numbers pays 6 to 1 (that is, if one of the five numbers

tatiyna

Answer:

5 cents

Step-by-step explanation:

So the roulette wheel would have a total of 38 numbers, which means 38 different possible cases. Since you are allowed to bet on 5 numbers, the chance to win this is 5 out of 38 and to lose this is 33 out of 38.

If you win, you get 1 + 6 = 7 dollar, and if you lose, you lose 1 dollar.

Therefore the expected amount out of this game is:

$E = 7\frac{5}{38} - 1\frac{33}{38} = \frac{35}{38} - \frac{33}{38} = \frac{2}{38} = \frac{1}{19} = \$0.0526$

or 5 cents

7 0

3 years ago

Alvin is 11 years older than Elga. The sum of their ages is 107. What is Elga's age? <br>

VLD [36.1K]

<h3>Taking into account that their ages are:</h3>

Alvin=.....................x+11
Elga=.......................x

Step 1: Simplify both sides of the equation.

(x + x) + (11) = 107 (Combine Like Terms)

Subtract 11 from both sides.

Divide both sides by 2.

Answer: Olga's age is 48 years.✅

7 0

2 years ago