MATHEMATICS HIGH SCHOOL

What’s the answer for b. Please help this is due in a couple hours!!

Answers

Answer 1

Answer:

Answer:4, -28, and -5

Step-by-step explanation:

Simply you input 3 for x in the equation, so 4(3)-8

12-8= 4

Next is -5 so again 4(-5)-8

-20-8=-28

Lastly 3/4 so 4(3/4)-8

3-8=-5

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A major concern with Social Security is the possibility that funds will not be available when today’s tax-payers retire to become beneficiaries. According to the Social Security Trustee’s report, an increase of 1.89% in the Social Security payroll tax would keep the account full for the next 75 years. To achieve similar results, benefits would have to be decreased from the current 42% of the ending salary to 29% of the salary.Cindy is relatively new to the workforce. She has 32 years until she can retire. Her current annual salary is $45,000. 1a) Calculate how much Cindy will have to pay in Social Security tax (6.2%) based on this salary. 1b) Calculate how much Cindy will have to pay in Social Security tax if the tax was increased by 1.89%. 2a) Calculate Cindy’s annual Social Security benefit (about 42%) if her salary remains unchanged until she retires (annual average is $45,000). 2b) Calculate Cindy’s annual Social Security benefit if her salary remains unchanged but benefits (based on her annual salary of $45,000) were cut from 42% to 29%. 3) If Cindy were given a choice between the increase in Social Security tax now or the decrease in Social Security benefits when she retires, which would you recommend she choose? Explain your answer thoroughly.
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Moria solves a problem on the board. What error did Moria make and how can she correct it? 12x + 10 = 54- 10x

Answers

Answer:

12x + 10 = 54 - 10x

12x + 10x = 54 - 10

22x = 44

divide both side by 22

22x= 44

22 22

x = 2

The air quality index, or AQI, measures how polluted the air is in your city and assigns a number based on the quality of the air. Over 100 is unhealthy. . . Given the following quadratic regression equation, estimate the number of days the AQI exceeded 100 in the year 1988. . . n = 1.76t^2 - 13.32t + 41.00. (let t represent the number of years since 1990. therefore, t = 0 corresponds the year 1990. round to the nearest whole day.). . A. 60 days. B. 75 days. C. 61 days. D. 21 days

Answers

There are several information's already given in the question. The answer to the question can be easily deduced using those given information's.

From the given question we come to know that
t = -2
Then
n = 1.76t^2 - 13.32t + 41.00
= [1.76 * (-2)^2] - [13.32 * (-2) + 41
= 7.04 - ( - 26.64) + 41
= 7.04 + 26.64 + 41
= 74.68
= 75
From the above deduction, we can conclude that the correct option among all the options that are given in the question is the second option or option "B".

Answer:

b. 75 days

Step-by-step explanation:

12. Change the fraction 4/13 to a decimal. Round off to the nearest thousandth

Answers

The answer will be 0.307 and when rounded it is 0.310

To write 4/13 as a decimal, do top divided by bottom.

At the zoo,there were 3 times as many monkeys than lions.Tom counted a total of 24 monkeys and lions.How many monkeys were there?

Answers

so monkeys/3=lions or monkeys=3(lions)
monkeys+lions=24
subsitute monkeys=3(lions) for monkeys in the second equation
3(lions)+lions=24
add like terms
4lions=24
divide both sides by 4
lions=6
subsitute lions=6 into second equation
monkeys+6=24
subtract 6 from both sides
monkeys=18

$3x-\ monkeys\nx-\ lions\n\n3x+x=24\n4x=24\ \ \ \ divide\ by\ 4\nx=6\n\n3x=18\n\nThere\ are\ 18\ monkeys\ and\ 6\ lions.$

What is the domain of the function f(x)=2x+5? A. all real numbers except 2
B. all real number
C. all real numbers except 5
D. all positive real numbers

Answers

the answer is all real numbers :)

Answer:

Step-by-step explanation:

All Real Numbers

Which fraction is larger 1/3, 2/5, 8/15, 13/30. and how do i solve this

Answers

$(1)/(3);\ (2)/(5);\ (8)/(15);\ (13)/(30)\n\nDenominators:3;\ 5;\ 15;\ 30\n\nLCD(3;\ 5;\ 15;\ 30)=30\n\n(1)/(3)=(1\cdot10)/(3\cdot10)=(10)/(30)\n\n(2)/(5)=(2\cdot6)/(5\cdot6)=(12)/(30)\n\n(8)/(15)=(8\cdot2)/(15\cdot2)=(16)/(30)\n\n(13)/(30)\n\n(10)/(30) < (12)/(30) < (13)/(30) < (16)/(30)\Rightarrow(1)/(3) < (2)/(5) < (13)/(30) < (8)/(15)$

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PLEASE HELP ITS URGENT!