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Karolina [17]
3 years ago
9

Solve using elimination. X + 8y = 3 2x – 4y = -14

Mathematics
1 answer:
enot [183]3 years ago
5 0

Answer:

X+8y=3, 2x-4y=-14

Step-by-step explanation:

Since we do not know the values of x or y we have to leave them the way they are because you can't combine x and y

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Your friend operates a business and has the following demand curve. Complete the table, and use the information provided to find
hichkok12 [17]

A demand curve shows the quantity demanded of a product at each price.

<h3>What is a demand curve?</h3>

Your information is incomplete as the table isn't given. Therefore, an overview will be given.

A demand curve simply means a graphical representation of the relationship between price and quantity demanded.

In this case, a demand curve shows the quantity demanded of a product at each price. The profit maximizing price is when the marginal cost equals marginal revenue.

Learn more about demand curve on:

brainly.com/question/1486483

3 0
2 years ago
Read 2 more answers
What’s the answer to this
Setler [38]

Answer:

The answere is (9,3)

Step-by-step explanation:

first equation

x - 2y = 3

9 - 2(3) = 3

9-6 = 3

3 = 3

second equations

2x - 3y = 9

2(9) - 3(3) = 9

18 - 9 =9

9 = 9

or

x - 2y = 3

x = 2y + 3

2(2y + 3 ) - 3y = 9

4y +6 - 3y = 9

y + 6 = 9

y =3

x - 2(3) = 3

x - 6 =3

x = 9

so (9,3)

i hope this helpful

4 0
3 years ago
The area of a rectangle is 14 m2 , and the length of the rectangle is 3 m less than double the width. find the dimensions of the
muminat
Width =3.5, length = 4

Let's make a few equations to summarize what we know.:
a = 14
l = 2w -3
a = wl

Now let's substitute the expression for l into the expression for area and solve.
a = w(2w - 3)
a = 2w^2 - 3w
14 = 2w^2 - 3w

0 = 2w^2 - 3w - 14

which factors into
(2w - 7) (w + 2)

Solving for w
2w - 7 = 0
2w = 7
w = 3.5

w+2 = 0
w = -2

So w can be either 3.5 or -2. Since a negative width doesn't make sense, w = 3.5

Let's verify
w = 3.5
l = 2w - 3
l = 2*3.5 - 3
l = 7 - 3
l = 4
a = wl
a = 3.5 * 4
a = 14

So the width is 3.5 and the length is 4.

3 0
3 years ago
Cost to store: $140<br><br> Markup: 25%
anastassius [24]
The actual cost to the store = $140
Percentage of markup = 25%
Amount of markup in cost = (25/100) * 140 dollars
                                        = 35 dollars
Then
Sell price in the store = (35 + 140) dollars
                                   = 175 dollars
So the sell price of the product at the store after addition of the markup price will be $175.
7 0
3 years ago
What must be true in order for line A to be parallel of line b?
AysviL [449]

Answer:

Its the first option.

Step-by-step explanation:

if they are both 180° then they can both go on forever without touching each other.

5 0
3 years ago
Read 2 more answers
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