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deff fn [24]
4 years ago
5

A game card is given to every customer visiting a restaurant. From past data, one can assume that the probability that a game ca

rd will reveal a winning prize is 0.2. (a) Matthew will collect twenty game cards before finding out the prize-winning cards. Find the probability that out of the twenty game cards that Matthew will collect, at least 4 are prize-winning cards. You are expected to define the appropriate random variable that you use.
Mathematics
1 answer:
Anika [276]4 years ago
7 0

Answer:

can i get a picture

Step-by-step explanation:

You might be interested in
(3 2/3 + 17 1/5) - ( 11 3/5 + 2 1/3) =
Ipatiy [6.2K]

Answer:

6 14/15

Step-by-step explanation:

I would say simplifie the paratensies.

First:

3 2/3+ 17 1/5 =

Common factor of 3 and 5 is 15

3 10/15 + 17 3/15 = 20 13/15

Second:

11 3/5 + 2 1/3 =

Common factor of 3 and 5 is 15

11 9/15 + 2 5/15 = 13 14/15

20 13/15 - 13 14/15 = 7 13/15 - 14/15 = 7 - 1/15 = 6 14/15

4 0
3 years ago
Read 2 more answers
Solve for x.<br> Help ASAP please!!!
sattari [20]

Answer:

The value of x is 4

Step-by-step explanation:

In a right triangle, if a segment is drawn from the right angle ⊥ to the hypotenuse like the given figure, then

∵ The length of one side of the right triangle = (x + 2)

∵ The length of the hypotenuse = x + 5

∴ (x + 2)² = x (x + 5)

∵ (x + 2)² = (x + 2)(x + 2)

∴ (x + 2)(x + 2) = x(x + 5)

→ Simplify the two sides

∵ (x)(x) + (x)(2) + (2)(x) + (2)(2) = (x)(x) + (x)(5)

∴ x² + 2x + 2x + 4 = x² + 5x

→ Add the like terms in the left side

∴ x² + 4x + 4 = x² + 5x

→ Subtract x² from both sides

∵ x² - x² + 4x + 4 = x² - x² + 5x

∴ 4x + 4 = 5x

→ Subtract 4x from both sides

∴ 4x - 4x + 4 = 5x - 4x

∴ 4 = x

∴ The value of x is 4

3 0
3 years ago
A bank offers two different types of interest on saving accounts
goldenfox [79]

Answer:

(a) The closet to the simple interest eaened in 5 years is $275.00.

(b) The closet to the compound interest earned in 5 years is $276.28.

Step-by-step explanation:

These can be determine as follows:

(a) Simple Interest

The interest earned and be determined using the simple interest formula as follows:

Simple interest = P * R * T ....................... (1)

Where;

P = Principal = $1,000

R = interest rate = 5.5%

T = term = 5

Substituting the values into equation (1), we have:

Simple interest = $1,000 * 5.5% * 5 = $275.00

(b) Compound Interest

The interest earned and be determined using the compound interest formula as follows:

Compound interest = P(1 + R)^T - P ....................... (2)

Where;

P = Principal = $1,000

R = interest rate = 5%, or 0.05

T = term = 5

Substituting the values into equation (2), we have:

Compound interest = $1,000(1 + 0.05)^5 - $1,000 = ($1,000 * 1.05^5) - $1,000 = ($1,000 * 1.2762815625) - $1,000 =$1,276.28 - $1,000 = $276.28

4 0
3 years ago
Read 2 more answers
Product a is a 12 ounce bottle of mouthwash that's sells for $1.39 product b is a 24 ounce bottle of mouthwash that cost $2.79 w
larisa86 [58]
Product A would be a better deal but only by one cent.
7 0
4 years ago
Angles α and β are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of α
8_murik_8 [283]

Answer:

The value of angle α is 18 degree.

Step-by-step explanation:

Given information: Angles α and β are the two acute angles , α < β.

Given equation is

\sin (2x-8)=\cos (6x-6)

\cos (90-(2x-8))=\cos (6x-6)        [\because \sin (90-x)=\cos x]

Equating both sides.

90-2x+8=6x-6

98+6=6x+2x

104=8x

13=x

The value of x is 13.

The measure of angles is

2x-8=2(13)-8=18

6x-6=6(13)-6=72

Since 18<72, therefore the value of angle α is 18 degree.

8 0
4 years ago
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