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Triss [41]
3 years ago
5

5. A dishwasher has a price of £330.

Mathematics
1 answer:
gladu [14]3 years ago
4 0

Answer:

The amount was reduced by 30%

Step-by-step explanation:

To find the percent discount, take the reduction over the original price

99/330

.3

Change the decimal to a percent by multiplying by 100%

.3 * 100%

30%

The amount was reduced by 30%

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The price of a car has been reduced from $10,500 to $6,300. What is the percentage decrease of the price of the car ?
Alex73 [517]

Answer: A. 40%

Step-by-step explanation:

to find the percentage decrease, first you have to subtract $6,300 from $10,500, which equals $4,200. This is the amount decreased from the price of the car. Then, to find the percentage that $4,200 is to $10,500, you have to divide 4,200 by 10,500. This should give you 0.4, the percentage is this number multiplied by 100. This should give you the number 40, which means that the percentage decrease of the price of the car; 40%.

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3 years ago
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A bag contains white, red, and blue marble. If one marble is drawn randomly from a bag, not replaced, and a second marble is dra
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Awnser

bepending on how many marbles are in the bag will determine what color of marble will be drown out of the bag

Step-by-step explanation:

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3 years ago
Division story for 36 divided by three
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Bob had 36 apples
he wanted to equally divide them among himself and his 2 friends (3 people total)

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PLS HELP what is the surface area of the sphere shown below with a radius of 8?​
VashaNatasha [74]

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Step-by-step explanation:

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3 years ago
100 random students are surveyed outside of the student center on campus. Let V denote that the student has a Visa credit card a
mote1985 [20]

Answer:

(a) The value of P (M | V) is 0.30.

(b) The value of P (M^{c} | V) is 0.70.

(c) The value of P (V | M) is 0.375.

(d) The value of P(V^{c}|M) is 0.625.

Step-by-step explanation:

It is provided that,

<em>V</em> = a student has a Visa card

<em>M</em> = a student has a Master card

N = 100, n (<em>V</em>) = 40, n (<em>M</em>) = 32 and n (<em>V</em> ∩ <em>M</em>) = 12.

The probability of a student having visa card is:

P(V) = \frac{n(V)}{N}= \frac{40}{100}=0.40

The probability of a student having master card is:

P(M) = \frac{n(M)}{N}= \frac{32}{100}=0.32

The probability of a student having  visa card and a master card is:

P(V\cap M) = \frac{n(V\cap M)}{N}= \frac{12}{100}=0.12

The conditional probability of an event, say A, given that another event, say B, has already occurred is,

P(A|B)=\frac{P(A\cap B)}{P(B)}

(a)

Compute the probability that a student has a master card given that he/she has a visa card also, i.e. P (M | V) as follows:

P(M|V)=\frac{P(V\cap M)}{P(V)} =\frac{0.12}{0.40}=0.30

Thus, the value of P (M | V) is 0.30.

(b)

Compute the probability that a student does not have a master card given that he/she has a visa card also, i.e. P (M^{c} | V) as follows:

P (M^{c} | V)=1-P(M|V)=1-0.30=0.70

Thus, the value of P (M^{c} | V) is 0.70.

(c)

Compute the probability that a student has a visa card given that he/she has a master card also, i.e. P (V | M) as follows:

P(V|M)=\frac{P(V\cap M)}{P(M)} =\frac{0.12}{0.32}=0.375

Thus, the value of P (V | M) is 0.375.

(d)

Compute the probability that a student does not have a visa card given that he/she has a master card also, i.e. P(V^{c}|M) as follows:

P(V^{c}|M)=1-P(V|M)=1-0.375=0.625

Thus, the value of P(V^{c}|M) is 0.625.

8 0
3 years ago
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