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3 years ago

What is the area of the triangle?

Mathematics

2 answers:

nalin [4]3 years ago

5 0

Answer:

108

Step-by-step explanation:

base times hight i think its been a while since i looked at the area of a triangle

Vinvika [58]3 years ago

4 0

Answer:

The area is 54 units^2

Step-by-step explanation:

The area equation of a triangle is (base x height)/2

So I plugged in the numbers into the equation

(6 x 18 ) / 2

(108)/2

54 units^2

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For a certain commodity the supply equation is given by S = 2p + 5 At a price of $1, there is a demand for 19 units of the commo

slava [35]

Answer:

The demand equation is: D=-4p+23

Step-by-step explanation:

To get started, we should keep in mind that the market price (p=3) occurs when supply equals demand ,therefore when p=3

S=2(3)+5=11

Thus, when p=3 D=11 and, according to the problem when p=1 D=19.

We already know two points on the demand curve. Great!

The demand equation is linear, so it has form D=bp+c.

The variable b is the slope of the demand linear equation . It can be computed through the formula

$b=\frac{y2-y1}{x2-x1}$ . equation 1

Substituting the two points (3,11) and (1,19) on equation 1.

$b=\frac{19-11}{1-3} =\frac{8}{-2}$

b=-4

Now we can find the value of intercept of the demand equation c trough point-slope form y-y1=b(x-x1).

We can use any of the points. Let's take (3,11) and write in point-slope :

y-11=-4(x-3)

y=-4x+11+12

y=-4x+23

Rewrite the linear equation according our variables D and p

D=-4P+23

Finally we found the demand equation !

5 0

3 years ago

Find the proportion of male college students whose height is greater than 73 inches.

siniylev [52]

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7 0

3 years ago

Simplify the expression 6h+(-7.1d)-15+4d-2.8h.

tatyana61 [14]

11.1d + 3.2h - 15 here you go

7 0

3 years ago

nora has a piece of ribbon that is 3/4 yard long.she will use half of it to make a bow what length of the ribbon will she use fo

insens350 [35]

Okay, first you need to find half of 3/4, so do you know the box way?
Draw a box and split it into fourths and shade 3 of the boxes, then split it in to halfs and then thats your answer! it equals 3/8 then reduce!

4 0

3 years ago

If 3x−y=12, what is the value of <br> 8x<br> 2y<br> ?

anygoal [31]

If 3x-y=12, what is the value of 8x/2y?

Answer:

$\frac{8x}{2y} =\frac{4x}{3x-12}$

Step-by-step explanation:

$3x-y=12$

$-y=12-3x$

$y=3x-12$ -------------------------(equation 1)

Now,

$\frac{8x}{2y} =\frac{8x}{2(3x-12)}$ ---------(from equation 1)

$=\frac{8x}{6x-24}$

$=\frac{8x}{2(3x-12)}$

$=\frac{4x}{3x-12}$

Therefore, the value of $\frac{8x}{2y} =\frac{4x}{3x-12}$

3 0

3 years ago