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sammy [17]
3 years ago
8

What is the solution to the system of equations represented by the two equations?

Mathematics
2 answers:
SpyIntel [72]3 years ago
6 0
There are 2 placeholder
it's easier if we had one
get rid of one with subsitutuion
y=-2x+7
y=1/3x
therefor
-2x+7=y=1/3x
-2x+7=1/3x
solve for x
multipl yboth sides by 3
-6x+21=x
add 6x to both sides
21=7x
divide both sides by 7
3=x
subsitute
y=1/3x
y=1/3(3)
y=3/3
y=1

the solution is x=3
y=1 or the point
(x,y)
(3,1)
Iteru [2.4K]3 years ago
5 0
If you would like to solve the following system of equations, you can do this like this:

y = - 2 * x + 7
y = 1/3 * x
____________
1/3 * x = - 2 * x + 7
1/3 * x + 2 * x = 7
1/3 * x + 6/3 * x = 7
7/3 * x = 7      /*3/7
x = 7 * 3 / 7
x = 3

y = 1/3 * x = 1/3 * 3 = 1

The correct result would be: x = 3 and y = 1.
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Investigate how demand elasticities are affected by increases in demand. Apply the midpoint formula to calculate the demand elas
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It should be noted that a good that has a high demand elasticity for an economic variable implies that consumer demand for that good is more responsive to changes in the variable.

<h3>How to explain the demand?</h3>

It should be noted that an elastic demand is one werr the change in quantity demanded due to a change in price is large.

Also, an inelastic demand is one in which the change in quantity demanded due to a change in price is small. When the formula creates an absolute value greater than 1, the demand is elastic.

Here, a good that has a high demand elasticity for an economic variable implies that consumer demand for that good is more responsive to changes in the variable.

Learn more about demand on:

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6 0
1 year ago
Sovle the following inequality -3m + 18 &lt; 30​
denis-greek [22]

Answer:

m>-4

Step-by-step explanation: First subtract 18 from both sides, then simplify 30-18, which equals 12. Divide both sides by -3, and flip your sign.

7 0
3 years ago
Mrs traynor's class is taking a field trip to the zoo.the trip will cost $26 for each student. They are 22 student in her class.
andre [41]
22*26 is the cost
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5 0
3 years ago
Read 2 more answers
1. The rapper charges a fee of $200 per party and $5 per song. Write an equation that
suter [353]

Answer:

$235

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8 0
3 years ago
Write an equation for the parabola who’s vertex is at (3,6) and which passes through (4,4)
Gekata [30.6K]

Problem

Solution

For this case we know that the vertex is given by (3,6) and the genera equation for a parabola is given by:

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Where h = 3, k=6 and replacing we have:

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And we can find the value of a with the point given x= 4, y=4

4= a(4-3)^2 +6

4= a +6

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And the correct equation would be:

d. y= -2(x-3)^2 +6

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