MATHEMATICS MIDDLE SCHOOL

I chose A
I want to know if I did this correct
I chose A I want to know if I did - 1

Answers

Answer 1
Answer: 2y/(y²-8y+5)  -  1/(y-5)=
2y/(y-5)(y-3)  -    1/(y-5)=
Least common multiple=(y-5)(y-3)
2y-1(y-3)  /  (y-5)(y-3)=
2y-y+3  /  (y-5)(y-3)=
y+3 / (y-5)/y-3)

Answer :  (y+3)  /  (y-5)(y-3).

you did right, congratulations!!.

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Paul received a $15 tip on a meal that cost $120
What percent of the meal cost was the tip?

Answers

The tippercentage of the meal cost is 12.5%.

What is a percentage?

The percentage is calculated by dividing the required value by the total value and multiplying by 100.

Example:

Required percentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

The cost of the meal = $120

The amount of tip = $15

The percentage of the tip.

= 15/120 x 100

= 12.5%

Thus,

The percentage of the tip of the meal cost is 12.5%.

Learn more about percentages here:

brainly.com/question/11403063

#SPJ2

Answer:

Step-by-step explanation:

Paul received a $15 tip on a meal that cost $120. What percent of the meal cost was the tip?

15 / 120 = .125

.125 * 100 = 12.5%

answer: percent of the meal cost was the tip was 12.5%

What is the theoretical probability of a coin landing tails up?

Answers

Answer:

The probability that a fair coin lands tail up is 1/2, which is equal to 0.5.

Step-by-step explanation:

There are two possible outcomes when a coin is flipped (saving for the case when the coin lands on its side.)

  1. The coin lands head-up;
  2. The coin lands tail-up.

If the coin is fair, the two outcomes should be equally likely. In that case, apply the following formula:

\begin{aligned}&\text{Probability that the coin lands tail-up}\n =&\frac{\text{Number of outcomes that the coin lands tail-up}}{\text{Total Number of equally-likely possible outcomes}}\n=&(1)/(2) \n=& 0.5 \end{aligned}.

Credit for the phrasing of this probability formula goes to the Khan Academy article "Probability: the basics".

Answer: 1:2

Step-by-step explanation:

Mercury orbits the Sun in 87 24/25 earth days. Venus orbits the Sun in 224 7/10 earth days and Mars orbits the sun in 686 49/50 earth days. Express each mixed number as decimal.

Answers

87 24/25.......24/25 = 0.96......answer is 87.96

224 7/10....7/10 = 0.7....answer is 224.7

686 49/50...49/50 = 0.98...answer is 686.98

What number must be added to 14,056 to result in a sum of 32,713

Answers

subtract 32,713 and 14,056.

Can I have help on this question please

Answers

5/7= x/42
You have to get x on its own side
5/7=x/42
*42=  *42
5/7*42=x
x=30
Hope this helped
you multiply both sides by 42 so you get 42×5/7=x , 5×42=210, 210/7=30, x=30

Round 25.78 to the nearest whole number

Answers

The answer is 26 because you would look at the seven to see what to round it to and since seven is greater than five, you round the number to 26.
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