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Arisa [49]
3 years ago
13

To solve the problem: "What is 3/4 of 12," you wouldSubtractO DivideO MultiplyO Add​

Mathematics
1 answer:
Firdavs [7]3 years ago
4 0

Answer:you should multiply

Step-by-step explanation:

Because 3/4x12=9

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Answer:

it's c

Step-by-step explanation:

there are 8 bears and 6 monkeys!

hope this helps:)

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Find the dimensions of a rectangle whose perimeter is 22 meters and whose area is 28 square meters.
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A mattress store sells only king, queen and twin-size mattresses. Sales records at the store indicate that the number of queen-s
Nitella [24]

Answer:

The probability that the next mattress sold is either king or queen-size is P=0.8.

Step-by-step explanation:

We have 3 types of matress: queen size (Q), king size (K) and twin size (T).

We will treat the probability as the proportion (or relative frequency) of sales of each type of matress.

We know that the number of queen-size mattresses sold is one-fourth the number of king and twin-size mattresses combined. This can be expressed as:

P_Q=\dfrac{P_K+P_T}{4}\\\\\\4P_Q-P_K-P_T=0

We also know that three times as many king-size mattresses are sold as twin-size mattresses. We can express that as:

P_K=3P_T\\\\P_K-3P_T=0

Finally, we know that the sum of probablities has to be 1, or 100%.

P_Q+P_K+P_T=1

We can solve this by sustitution:

P_K=3P_T\\\\4P_Q=P_K+P_T=3P_T+P_T=4P_T\\\\P_Q=P_T\\\\\\P_Q+P_K+P_T=1\\\\P_T+3P_T+P_T=1\\\\5P_T=1\\\\P_T=0.2\\\\\\P_Q=P_T=0.2\\\\P_K=3P_T=3\cdot0.2=0.6

Now we know the probabilities of each of the matress types.

The probability that the next matress sold is either king or queen-size is:

P_K+P_Q=0.6+0.2=0.8

8 0
3 years ago
I will mark BRAINLIEST if your answer is accurate!
Mila [183]

Answer:

i would say A. or B. most likely B

Step-by-step explanation:

7 0
3 years ago
Dean purchased a new cell phone through Verizon. The phone cost him $210 but that was 40% off. How much did the phone cost origi
natta225 [31]
The answer is 350 dollars Explanation 350-(350X0.4) is 210
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2 years ago
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