On a scale drawing with a scale of 1/20, the height of the building is 8 inches. How tall is the actual building in feet?

Answers

Answer 1
Answer: that means its downgraded to 1/20 of actual height, let actual height is x. Then 
(1/20) * x = 8, x = 20 * 8 = 160, actual height = 160 inch
160 inch = 160/12 feet = 13 1/3 feet or 13.333 feet.

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10% as a decimal and fraction??

Answers

10%= 0.10
10%= (10)/(100) = (1)/(10)

Simplify the complex fraction. Please show all work!

Answers

Answer:

3(u^2 +u-3)

-------------------

u(u-3)^2

Step-by-step explanation:

u         1

---- + -------

u-3      u

-------------------------

    u-3

  ----------

    3

Get a common denominator for the numerator

u *u         1(u-3)

----      + -------

(u-3)u      u(u-3)

-------------------------

    u-3

  ----------

    3

u *u + (u-3)

-----------

(u-3)u      

-------------------------

    u-3

  ----------

    3

Now use copy dot flip

u *u + (u-3)        3

----------------- * -------------

(u-3)u                 u-3

3(u^2 +u-3)

-------------------

u(u-3)^2

(02.01 LC) Is the following relation a function?


x y
1 4
−1 −2
3 10
5 16
Yes
No

Yes or no?

Answers

Answer:

Yes this is a function..

Step-by-step explanation:

We have to see the inputs and outputs for the function.

Here x represents input and y represents output.

For a relation to be a function there should be no repition in domain or input of the function i.e. every element in domain should be unique.

The domain for given relation is:

{1,-1,3,5}

All the inputs are only once mapped to the output so this relation is a function ..

Yes. You should add commas next time to make it easier to read.

ashley spent half of her weekly allowance playing mini golf. to earn more money her parents let her wash the car for $9. what is her weekly allowance if she ended with $15

Answers

If x is the weekly allowance 1/2x+9=15
1/2x=6
x=12
Her allowance is $12.

PREGUNTA 6given the polynomials
fix) = 3x2+6x-1 y gix) = 2x2-3x-3
find f(x) - g(x) =

Answers

Answer:

f(x)-g(x)=x^2+9x+2

Step-by-step explanation:

f(x)-g(x)=(3x^2+6x-1)-(2x^2-3x-3)

           =3x^2+6x-1-2x^2+3x+3

           =(3x^2-2x^2)+(6x+3x)+(-1+3)

           =x^2+9x+2

0.6 divided by 12.9 show all work

Answers

Answer:

Step-by-step explanation:

Answer: 0.0465116279

Step-by-step explanation: