MATHEMATICS HIGH SCHOOL

What percent of your pre-retirement earnings do most financial advisors say you'll need to comfortably maintain your pre-retirement standard of living?60%
70%
80%
90%

Answers

Answer 1
Answer: 70%

probably could've just googled this lol
Answer 2
Answer:

Answer: 70%

Step-by-step explanation:

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You have a function that takes in an X value and produces a Y value. The y value equals 24 times the x value, plus 4 more. What's the y value when the x value equals 4?

Answers

Answer:

100

Step-by-step explanation:

First, write out the equation

y = 24x + 4

Then plug in x = 4 to solve for y

y = 24x + 4

y = (24)(4) + 4

y = 100

Suppose that a randomly generated list of numbers from 0 to 9 is being used to simulate an event that has a probability of success of 30%. Which of these groups of numbers could represent a success?

Answers

While this question lacks the actual choices, determining the correct answer should be fairly easy. The "probability of success" that is being referred to here is the amount of numbers that will be listed. Since a probability of 30% is being looked for, we only have to choose the choice with 3 of the 10 numbers listed.

Answer:

0, 1, 2

Step-by-step explanation:

just took the test with the following answers;
a. 0, 1, 2, 3
b. 0, 1, 2
c. 0, 1, 2, 3, 4
d. 0, 1

A sign in a store window has the shape of a regular nonagon (9-sided figure). The sign has an apothem length of 40 cm and a side length of 29 cm.What is its area?

____cm2

Answers

Area = A
Side length = L = 29 cm
number of sides = n = 9
Apothen = a = 40 cm

A = nLa / 2 = 9*29cm*40cm / 2 = 5,220 cm^2

Answer: 5,220 cm^2

Answer:

5220 cm

Step-by-step explanation:

A=9/4(a^2)cot(180°/9) is the formula and got 5,220 cm

Brainliest if correct - What is the circumference of this circle? View image for full question.

Answers

Answer:

308 mm

Step-by-step explanation:

The formula for circumference of a circle is C=2\pi r

Where C is the circumference

\pi  is (22)/(7), and

r is the radius (given as 49)

Putting them into the formula, we get:

C=2\pi r\nC=2((22)/(7))(49)\nC=308

Thus, circumference = 308 mm

Answer:308

Step-by-step explanation:

C=2(22/7)(49)

C=308

Two teachers, Mr. Meehan and Mrs. Chipps, decide to buy compasses and rulers for their classrooms. Mrs. Chipps buys 30 compasses and 50 rulers for $95. Mr. Meehan buys 40 of each for $116. What are the individual costs of the compasses and rulers that were purchased? Explanation Please

Answers

Answer:

compass = $ 2.50 each

ruler        = $ 0.40 each

Step-by-step explanation:

Mrs. Chipps buys 30 c + 50 r = $95

Mr. Meehan buys 40 c + 40 r = $116    x (-1.25) to eliminate r

                             30 c + 50 r = $ 95

                            -50 c - 50 r  = $-145

                            -20 c             =  -50

                                               c = 50 / 20

                                               c = $2.5

substitute c = 2.5 into eq. 1

30 c + 50 r = $95

30 (2.5) + 50 r = 95

75 + 50 r = 95

50 r = 95 - 75

r = 20 / 50

r = 0.40

therefore, the individual costs of the compasses and rulers are:

compass = $ 2.50 each

ruler        = $ 0.40 each

If someone could do this it’s be greatly appreciated!

Answers

Answer:

a). A = -2x² + 200x

b). Widths = 40 feet and 60 feet

Step-by-step explanation:

It is given that length of the fencing material = 200 feet

a). Peg wants to cover the vegetable garden from three sides with the given fencing material.

If length of the garden = l

and width of the garden = x

l + x + x = 200

l + 2x = 200

l = (200 - 2x) feet

Therefore, area of the garden = Length × width

A = (200-2x)* x

A = -2x² + 200x

b). Foe A = 4800 square feet,

4800 = -2x² + 200x

2x² - 200x + 4800 = 0

x² - 100x + 2400 = 0

x² - 60x - 40x + 2400 = 0

x(x - 60) - 40(x - 60) = 0

(x - 60)(x - 40) = 0

x = 40, 60 feet

Therefore, widths of Peg's garden will be 40 feet and 60 feet.
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