Please help and explain

Answers

Answer 1

Answer:

Answer: Look at attachment to see how i plotted.

Step-by-step explanation:

The denominators will stay the same because they are like denominators so we have to now look at the numerators

so we have -2+5 . Remember when the signs are different we subtract and use the sign of the bigger number so when you subtract the two number you get 3 and you uses the sign of the bigger number which is 5 and it is positive so 2 also stays positive. so now your answer is 2/5. look at the attachment to see how I plotted.

Never mind I can't attach so plot the 2nd line from 0 because it will go as 1/5, 2/5, 3/5, 4/5 / 5/5 which can also be written as 1

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Combine the like terms to simplify the expression:9 + 3 + 17xy2 + 8y3 + 10x –13xy2 – 9x – 6y3
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Answers

9 + 3 + 17xy² + 8y³ + 10x - 13xy² - 9x - 6y³
rearrange like terms together
(in descending exponential order)
8y³ - 6y³ + 17xy² - 13xy² + 10x - 9x + 9 + 3
2y³ + 4xy² + x + 12

Answer is: D.2y³ + 4xy² + x + 12

A shoreline is eroding at a rate of 1/3 foot per 3 months . How many feet are eroding per year?

Answers

There are 12 months in a yr so 12/3=4 then 1/3x4=4/3 so 1ft and 1/3 erode each yr. C is the correct answer

What is −1/3(p+9)≤4 as an inequality?

Answers

This is what i found i believe this is correct

When George is 15 years old, His father is 45 years old. How old will his father be when George is half his age

Answers

George's father will be 80 years old when George is half his age.

Half his age is 50 so 35 + 15 is 50 so add that to his dads age

Answer: 80 years old

19) At a local river, there were 48 alligators lying on the riverbank. If of the alligators wereasleep, how many were not asleep?20) At a charity bike rally, offhe student population of oakleaf Junior High Schodparticipated. If there are 1students at ouJH, how many participated in the bike rally?

21) out of 18 times at bat, Kayla got a hitof the time and Tia got a hitof the time. Whogot more hits? How many more?

Answers

19) 48 alligators; 7/8 of the alligators were asleep. How many were not asleep?

8/8 - 7/8 = 1/8
48 * 1/8 = 48/8 = 6 alligators were not asleep.

20) 2/3 of the student population participated. 1,500 is the student population of the school. HOw many attended the bike rally?

1500 * 2/3 = 1500*2 / 3= 3000 / 3 = 1000 students attended.

21) 18 times at bat:
Kayla 5/6 of the time = 18 * 5/6 = 18*5 / 6 = 90/6 = 15 hits
Tia 8/9 of the time = 18 * 8/9 = 18*8 / 9 = 144/9 = 16 hits

Tia got more hits.

4)The sample space for a roll of two number cubes is shown in the table.one-ninth
one-fourth
one-third
four-ninths

5)The two numbers rolled can be added to get a sum. Find P(sum is even).

one-fourth
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one-half
three-fourths

Answers

c)one-half is the answer

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