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jasenka [17]
2 years ago
5

Yen paid $10.50 for 2.5 pounds of pretzels. What price did she pay for each pound of pretzels?

Mathematics
2 answers:
Furkat [3]2 years ago
8 0

Answer:

The first step is to multiply by a power of 10, so the divisor is a whole number.

Step-by-step explanation:

disa [49]2 years ago
7 0

Answer:

The first step is to <u><em>Multiply</em></u>  The next step is to <u><em>Divide.</em></u>

Step-by-step explanation:

Ok so if you were wondering what to do on the box that says this

  • Move Decimal
  • Divide
  • Multiply
  • Subtract
  • Bring down

<em>Like my self on this. The answer is simple. Just click them in order from first to last</em>. Wow such detective work I did. I know, it's not much but I was kind of confused on this as well so you might be too. So to explain the actual answer here we go. Now in order to solve these types of problems you have to use a technique called <em><u>PEMDAS</u></em> which stands for.

  • Parenthisis
  • Exponent
  • Multiply
  • Divide
  • Add Subtract

I know I spelled the first one  wrong but its 2 am and I'm doing school for you. Now we have to take into account, does this have any parentheses. This certain problem does not. Now we have to look to see if this problem has exponents, yes it does. As stated in the answer box on the lesson itself. So know we have to take that into concideration(spelled wrong but I dont care this is math class)Now we multiply by a power of 10, so the divisor is a whole number. The next step is to divide by figuring out how many times 25 goes into 105. I know that was copied from the question but oh well. So this was the explanation, I know I didn't solve the whole problem but I had no need to, it wasn't in the question.

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Celina can walk 4 miles in 1 hour and can run 8 miles in 1 hour. What percent of Celina’s average running speed is her average w
Valentin [98]
Okay. So, we're looking for the percentage of Celina's running speed as her walking speed. Her running sped is 8 mph and her walking speed is 4mph. All we have to do is 4/8 = x/100. You put change/original and x/100, because we're looking for the percent of change from running speed to walking speed.  Cross multiply the values to get 400 = 8x. Divide each side by 8 to isolate the "x". 400/8 is 50. x = 50. Celina's walking speed is 50% of her running speed. The answer is B: 50%.
5 0
2 years ago
At a college, 72% of courses have final exams and 46% of courses require research papers. Suppose that 31% of courses have a res
beks73 [17]

Answer:

0.25

Step-by-step explanation:

72% of courses have final exams and 46% of courses require research papers which means probability of 0.72 for courses that have final exams and 0.46 for courses that require research papers.

31% of courses have a research paper and a final exam, which means probability of 0.31 for both courses with exams and research papers, using Venn diagram approach, find picture attached to the solution.

P(R or E) = P(R) + P(E) - P(R and E), which gives:

P(R or E) = 0.15 + 0.41 - 0.31

P(R or E) = 0.25.

6 0
2 years ago
Let the random variable x have a discrete uniform distribution on the integers 8 ≤ x ≤ 10. determine the mean, μ, and variance,
arsen [322]
The discrete uniform distribution is on the interval 8 ≤ x ≤ 10.
Therefore the probability density function (shown in the figure) is
P(x) = 1/3 = 1/3 for x = 8, 9, 10
       = 0 otherwse

The mean is μ = 1/3.

The variance is 
σ² = Σp(x) (x- μ)²

Because x - μ = 0 for x = 8,9,10, therefore
σ² = 0

Answer:
μ = 1/3
σ² = 0

8 0
2 years ago
The gross income of Maurice Vaughn is $785 per week.His deductions are $42.25,FICA tax,$90.33,income tax,2% state tax,1% city ta
boyakko [2]
Gross income : 785 per week

deductions are :
FICA : 42.25
income tax : 90.33
2% state tax : 0.02(785) = 15.70
1% city tax : 0.01(785) = 7.85
3% retirement : 0.03(785) = 23.55
total deductions are : 42.25+90.33+15.70+7.85+23.55 = 179.68

gross pay - deductions = net pay
785 - 179.68 = net pay
605.32 = net pay <====

7 0
2 years ago
Read 2 more answers
Which composition of transformations maps figure RSTUV to figure R"S"T"U"V"?
Sergeu [11.5K]

Answer:

option: B is correct

A reflection across line n followed by a 270° rotation about point P.

Step-by-step explanation:

Clearly from the figure we could see that the graph is first reflected across the given line n such that we obtain the figure R'S'T'V'U' and then it is rotated 270° across the point P so that we obtain the figure R"S"T"U"V".

Hence, option B is correct.

( A reflection across line n followed by a 270° rotation about point P )

5 0
2 years ago
Read 2 more answers
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