MATHEMATICS HIGH SCHOOL

Simplify if possible

75/100

Answers

Answer 1
Answer: (3)/(4)


(75)/(100) simplified is (3)/(4) because we can see that the greatest common divisor for both the numerator and the denomenator, is 25.

75 ÷ 25 = 3
100 ÷ 25 = 4

thus leaving us with (3)/(4)
Answer 2
Answer: 75/100 would be 1/4 because 4 in 1/4 is how many times you multiply ? to get 100

                    so 4*?=100
25 times 4 equals 100 so now what times 4 equals 75
                     

                    so 25*?=75
25 times 3 is 75 so if that is true then your answer is 3/4-3 out of 4

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You are told that having a college education increases a person's earnings by 30% over their lifetime. A non-college graduate earns about $30,000 per year. How much more will you earn with a college education over a 40 year career?

Answers

30,000(40)= 12000001200000(.3)=360000$360000 more
30,000 per year annual income by a non-college educated man or woman
30% of 30,000. is 9,000. more every year for the college educated man or woman. 
If a person works 30 years at his or her career making 9,000. more annually then they will have earned 30 times 9,000. or 270,000. more than the non-educated individual.   

What are the coordinates of the center of the circle if this is its equation:x2 + y2 - 16x + 6y +53 = 0

Answers

Hello,

x²-16x+y²+6y+53=0
==>x²-2*8*x+8² + y²+2*3*y+3²+53-64-9=0
==>(x-8)²+(y+3)²=20
Center is (8,-3) and radius =√20

-(2m-7)-(3+4(m+4)) Solve PLZZZZ HURRYY 20 POINTS

Answers

Answer:

-6m-12

Step-by-step explanation:

-(2m-7)-(3+4(m+4)) =

-2m+7-(3+4m+16)=

-2m+7-(19+4m)

-2m+7-19-4m

-6m-12

OR:

-m-2 ( if you divide by 6 as a common factor)

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.

Answers

1a) 45,000 * 6.2% = 2,790
1b) 45,000 * (6.2% + 1.89%) = 45,000 * 8.09% = 3,640.50

2a) 45,000 * 42% = 18,900
2b) 45,000 * 29% = 13,050

3) I think it would be better to have an increase in Social Security tax now and receive 18,900 as annual pension rather than the decrease in Social Security benefits when she retires.

Answer:

1a) $45,000 * 0.062 = $2,790

1b) 6.2% + 1.89% = 8.09%;  $45,000 * 0.0809 = $3640.50

2a) $45,000 * 0.42 = $18,900

2b) 42% - 13% = 29% $45,000 * 0.029 = $13,050

3) You should probably recommend she pay the extra taxes now. If the tax were increased by 1.89%. Cindy would have to pay an extra $3640.50 - $2,790 = $850.50 per year for the 32 years before she retires. This adds up to $27,216 over the length of 32 years. On the other hand, if benefits were decreased from 42% of her salary to 29% of her salary the time of Cindy’s retirement (approximations), she would receive $18,900 - $13,050 = $5,850 less per year after she retires. This adds up to $58,500 in just 10 years.

Step-by-step explanation:

This is the answer they have given me.

A rhombus is a quadrilateral that has exactly one pair of parallel sides.
True or false

Answers

Answer:

False

Step-by-step explanation:

Every rhombus has two diagonals connecting pairs of opposite vertices, and two pairs of parallel sides.

(3b-5)^2-c^2 how do I factor this using grouping?

Answers

so you see it is the difference of 2 perfect squares
a^2-b^2=(a+b)(a-b)
so
(3b-5)^2-c^2=(3b-5+c)(3b-5-c)
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