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Aleks [24]
2 years ago
5

1/2(6+3p)-3/4(8-10p)Expand and simplify show all steps

Mathematics
1 answer:
olganol [36]2 years ago
7 0
\frac{6+3p}{2} -  \frac{3}{4} (8 - 10p) \\ \\  \frac{6 + 3p}{2} -  \frac{3(8-10p)}{4} \\ \\   \frac{6+3p}{2} -  \frac{3 \times 2(4 - 5p)}{4} \\ \\  \frac{6+3p}{2} -  \frac{6(4-5p)}{4} \\ \\  \frac{6+3p}{2} -  \frac{3(4-5p)}{2}  \\ \\  \frac{6+3p - 3(4-5p)}{2} \\ \\   \frac{3(2 +p - 4 + 5p}{2} \\ \\  \frac{3(2 + (p + 5p) - 4)}{2} \\ \\  \frac{3(2+6p-4)}{2} \\ \\  \frac{3 \times 2 (1 + 3p-2)}{2} \\ \\  \frac{3 \times 2(3p - 1)}{2} \\ \\  \frac{6(3p -1 }{2} \\ \\ 3(3p - 1) \\ \\ Answer: \fbox {3(3p-1)}
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Answer:

30 divided by 1.8= 16.6

Step explanation:

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1 year ago
A toddler is allowed to dress himself on Mondays, Wednesdays, and Fridays. For each of his shirt, pants, and shoes, he is equall
avanturin [10]

Answer:

0.0286 = 2.86% probability that today is Monday.

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

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

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Dressed correctly

Event B: Monday

Probability of being dressed correctly:

100% = 1 out of 4/7(mom dresses).

(0.5)^3 = 0.125 out of 3/7(toddler dresses himself). So

P(A) = 0.125\frac{3}{7} + \frac{4}{7} = \frac{0.125*3 + 4}{7} = \frac{4.375}{7} = 0.625

Probability of being dressed correctly and being Monday:

The toddler dresses himself on Monday, so (0.5)^3 = 0.125 probability of him being dressed correctly, 1/7 probability of being Monday, so:

P(A \cap B) = 0.125\frac{1}{7} = 0.0179

What is the probability that today is Monday?

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.0179}{0.625} = 0.0286

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4 0
1 year ago
Janis and Susan went to a clearance sale at a clothing store. All blouses were selling for the same price and all skirts were se
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Step-by-step explanation:

Option D is the correct answer

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2 years ago
Evaluate ∣∣256+y∣∣ for y=74. A. 225 B. 315 C. 345 D. 4712
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Answer:

678

Step-by-step explanation:

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1 year ago
A Shampoo Problem: A bottle contains 25.4 fluid ounces of shampoo. Katie uses 0.25 of the bottle. How much shampoo is left? a. I
kotykmax [81]

Answer:

a) There is no a word problem for both expressions (m = 0.25\cdot 25.4 and m = 25.4-0.25), b) A bottle contains 25.4 fluid ounces of shampoo. Katie uses 0.75 of the bottle. How much shampoo is left? A bottle contains 25.4 fluid ounces of shampoo. Katie uses 0.25 fluid ounces of the bottle. How much shampoo is left?

Step-by-step explanation:

a) The shampoo problem is a word problem for:

(Final content) = (Initial content) - (Used content)

Then,

m = 25.4 - 0.25\cdot 25.4

Or:

m = 0.75\cdot 25.4

Hence, there is no a word problem for both expressions (m = 0.25\cdot 25.4 and m = 25.4-0.25).

b) The word problem for m = 0.25\cdot 25.4 is:

A bottle contains 25.4 fluid ounces of shampoo. Katie uses 0.75 of the bottle. How much shampoo is left?

The word problem for m = 25.4-0.25 is:

A bottle contains 25.4 fluid ounces of shampoo. Katie uses 0.25 fluid ounces of the bottle. How much shampoo is left?

7 0
1 year ago
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