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Likurg_2 [28]
3 years ago
5

What is 6(5x-3) ??? I dont know what it is

Mathematics
1 answer:
aalyn [17]3 years ago
8 0

Answer:

30x - 18

Step-by-step explanation:

6(5x - 3)

<em>Distribute the 6 to both monomials.</em>

6 * 5x = 30x

6 * -3 = -18

<em>Combine both final monomials.</em>

30x - 18

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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
The graph of a proportional relationship passes through (12,16) and (1,y). find y​
anastassius [24]

Answer:

4/3

Step-by-step explanation:

A proportional relationship is a relationship that crosses through the origin or (0,0). This means the slope of the line can be found by subtracting the points (12,16) and (0,0) in the slope formula.

m = \frac{y_2-y_1}{x_2-x_1} =\frac{16-0}{12-0}= \frac{16}{12}=\frac{4}{3}

So the slope is 4/3 and must be the value between any two points on the line.

This means the function moves from (0,0) to (1, 4/3).

4 0
3 years ago
Factorise<br>x2 + 2x - 3​
Nitella [24]

Answer:

( x − 1 ) ( x +3 )

8 0
3 years ago
What is the unit rate for 3 boxes for $5
Andreas93 [3]
I think the answer to your question is
3
/
5
6 0
3 years ago
What’s the area of the trapezoid
Citrus2011 [14]

Answer:

i will give you the steps to find out how

Step-by-step explanation:

Explanation: To find the area of a trapezoid, multiply the sum of the bases (the parallel sides) by the height (the perpendicular distance between the bases), and then divide by 2.

5 0
2 years ago
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