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3 years ago

A hexagonal prism has a height of 6.5 centimeters and a base with an area of 30.5

Mathematics

1 answer:

natita [175]3 years ago

6 0

Answer:

198.25cm³

Solution

V=ABh=30.5·6.5=198.25cm³

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What is the value of the expression below when w=3? <br> 10w2 +9w-2

kipiarov [429]

Answer:

85 if the "2" in 10w(2) is being multiplied.

But if not, then

115 if the "2" in 10w2 is an exponent.

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3 years ago

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The average income, I, in dollars, of a lawyer with an age of x years is modeled with the following function:

Alinara [238K]

The answer is 37 years old.

I = -425x² + 45500x -650000
I = 450000

-425x² + 45500x -650000 = 450000
-425x² + 45500x - 650000 - 450000 = 0
-425x² + 45500x - 1100000 = 0

Divide all factors by 25:
- 17x² + 1820x - 44000 = 0

This is quadratic equation (ax² + bx + c = 0)
$x_{1,2} = \frac{-b+/- \sqrt{ b^{2}-4ac } }{2a} = \frac{-1820+/- \sqrt{ 1820^{2}-4*(-17)*(-44000) } }{2*(-17)} = \\ \\ = \frac{-1820+/- \sqrt{3312400-2992000 } }{-34} = \frac{-1820+/- \sqrt{320400} }{-34} =\frac{-1820+/- 566}{-34} \\ \\ 
x_1= \frac{-1820+ 566}{-34}= -37 \\ \\ 
x_2 = \frac{-1820- 566}{-34}=70$

Since, the youngest age is needed, the correct answer is x = 37

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4 years ago

Express the following ratio as a fraction in simplest form.<br> $32 for 10 tickets

nordsb [41]

Answer:

$16/5tickets

Step-by-step explanation:

it be in simplest form mate.

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3 years ago

ILL GIVE BRAINLEIST!!

DanielleElmas [232]

Answer: 317

Step-by-step explanation:

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3 years ago

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A life insurance company invests $9000 in a bank account in order to fund a death benefit of $81,000. Growth in the investment

ExtremeBDS [4]

Answer:

Interest rate is 9.59%

Step-by-step explanation:

The interest rate the investment must earn in order that the death benefit could of $81,000 in 24 years' time can be derived from the rate formula in excel spreadsheet.

=rate(nper,pmt,-pv,fv)

nper is the number of years the $9,000 would be invested for i.e 24 years

pmt is the periodic additional investment which is zero

pv is the amount invested today i.e $9000

fv is the amount of death benefit payable in 24 years' time that is $81000

=rate(24,0,-9000,81000)=9.59%

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4 years ago