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Alona [7]
3 years ago
9

Find the area of a trapezoid whose parallel sides measure 8.5 m and 4.5 m, and whose altitude is 6.5 m.

Mathematics
2 answers:
tankabanditka [31]3 years ago
7 0
I got the answer of 42.25m² 
My Work ∨
A= a+b/2 h= 8.5+4.5/2 × 6.5 = 42.25m²
/ - means the line part of a fraction 
I hope I have helped 


ICE Princess25 [194]3 years ago
6 0
Wassup!
Your Answer is A=42.25m²Hope this helps!:)
~Nadia~
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James has a job with a current salary of $42,000. He wants to earn a college degree that will take him 2 years to complete and i
FinnZ [79.3K]

To recover the investment James will take \boxed{2.5{\text{ years}}}.

Further Explanation:

Given:

The current salary of James is \$ 42000.

The time taken to complete the college degree is 2{\text{ years}}.

The cost of the college degree is \$ 28000.

The James’ new salary after college degree will be \$ 56000.

Calculation:

The total investment of James can be calculated as follows,

\begin{aligned}{\text{Investment}} &= {\text{Salary of 2 years}} + {\text{2 years tuition fees}} \\&= 2 \times 42000 + 2 \times 28000\\&= 84000 + 56000\\&= \$ 140000\\\end{aligned}

The total investment for 2 years will be \$ 140000.

The James’ new salary after college degree will be \$ 56000.

The time taken by James to recover \$ 140000.

\begin{aligned}{\text{Time}} &= \frac{{140000}}{{56000}}\\&= 2.5{\text{ years}}\\\end{aligned}

To recover the investment James will take \boxed{2.5{\text{ years}}}.

Learn more:

  1. Learn more about inverse of the function brainly.com/question/1632445
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Answer details:

Grade: High School

Subject: Mathematics

Chapter: Investment and return

Keywords: James, job, current salary, salary, $42000, earn, college, college degree, 2 years, complete, graduation, cost, $28000, per year, investment, recover, new salary, work, able, school, full time.

6 0
3 years ago
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Which of the following is a factor of 7x2 - 12x - 4? (6 points)
grin007 [14]

Answer:

We conclude that 'None of the above' is the correct answer.                    

Step-by-step explanation:

Given the expression

7x^2\:-\:12x\:-\:4

Breaking the expression into groups

7x^2\:-\:12x\:-\:4=\left(7x^2+2x\right)+\left(-14x-4\right)

Factor out x from 7x^2\:+\:2x

=x\left(7x+2\right)

Factor out -2 from \left(-14x-4\right)

=-2\left(7x+2\right)

so the expression becomes

7x^2\:-\:12x\:-\:4=\left(7x^2+2x\right)+\left(-14x-4\right)

                         =x\left(7x+2\right)-2\left(7x+2\right)

Factor out the common term 7x+2

                         =\left(7x+2\right)\left(x-2\right)

Therefore, from the given options, we conclude that 'None of the above' is the correct answer.                    

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Find x<br><br> 3x-160<br> What is x?
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X is 53.33333333 I love helping people out
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