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AveGali [126]
3 years ago
10

How can x2+3x+1=2x2+2x+3 be set up as a system of equations

Mathematics
1 answer:
Vesna [10]3 years ago
6 0
For this case we can write the system of equations as two equations with two unknowns.
 We then define the following unknowns:
 incognitas: x and y.
 We write the system of equations:
 y = x2 + 3x + 1
 y = 2x2 + 2x + 3
 Answer:
 
y = x2 + 3x + 1
 
y = 2x2 + 2x + 3
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Let f(x) = x2 - 5 and g(x) = 3x2. Find g(f(x))
m_a_m_a [10]

Answer:

Step-by-step explanation:

to find composite function:

put the inner funtion into the outer function

inner func.=x^2-5

outer= 3x^2

hence,

g(f(x))= 3(x^2-5)^2

3 0
2 years ago
Angles C and E are supplementary. The M>C = 112 and M>E = (3x + 50) Solve for X.
maxonik [38]

Answer:

The value of x is 6

Step-by-step explanation:

we know that

If two angles are supplementary, then their sum is equal to 180 degrees

so

In this problem

m∠C+m∠E=180°

we have

m∠C=112°

m∠E=(3x+50)°

substitute and solve for x

112°+(3x+50)°=180°

3x+162=180

3x=180-162

3x=18

x=6

7 0
3 years ago
Solve the following system of linear equations. 3x + 2y = 10 2x + 3y = 15/2 No solution y = (-3/2)x + 5 x = 3, y = -1/2 x = 3, y
frutty [35]
3x + 2y = 10 .....multiply by -2
2x + 3y = 15/2...multiply by 3
------------------
-6x - 4y = -20 (result of multiplying by -2)
6x + 9y = 22.5 (result of multiplying by 3)
-----------------add
5y = 2.5
y = 2.5/5
y = 1/2

3x + 2y = 10
3x + 2(1/2) = 10
3x + 1 = 10
3x = 10 - 1
3x = 9
x = 9/3
x = 3

solution is (3,-1/2)
5 0
3 years ago
The price of a radio was $20 it's on sale for $15 what is the percent of change in the price of a radio
Ierofanga [76]
Your answer is 25% <span> of change in the price of a radio</span>
8 0
2 years ago
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Translate to an equation and solve the product of 2 and a number increased by 8 is -48
Marizza181 [45]
The equation would be 2x+8=-48 and x=-28
4 0
3 years ago
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