Answer:
D
Step-by-step explanation:
Answer:
A. one solution
Step-by-step explanation:
The 2 equations have different slopes so it's 1 solution
Answer:
B= 32 degrees.
Step-by-step explanation:
Didn't get the photo. Was urged into leaving and exited the tab instead.
First, you can convert yards to feet, to make it easier to simplify feet to inches. There are 3ft in a yard, so you can say that there are 3ft*7+2ft. 3*7 is 21, and adding 2 to that you will have 23ft. from here you can convert that directly to inches. If there are 12 inches in a foot, you will multiply 12 by 23. Your final answer will be 276in.
The solutions of the system of equations are (0 , 13) , (3 , 34)
Step-by-step explanation:
To solve an system of equations, one of them linear and the other is quadratic do that
- Use the linear equation to find one variable in terms of the other variable
- Substitute this variable in the quadratic equation
- Solve the quadratic equation to find the values of the other variable
- Substitute the values of the other variable in the linear equation to find the first variable
The system of equation is:
y = x² + 4x + 13 ⇒ (1)
y = 7x + 13 ⇒ (2)
Substitute y in equation (1) by equation (2)
x² + 4x + 13 = 7x + 13
Subtract 13 from both sides
∴ x² + 4x = 7x
Subtract 7x from both sides
x² - 3x = 0
Take x as a common factor
x(x - 3) = 0
Equate each factor by 0
x = 0
x - 3 = 0
Add 3 to both sides
x = 3
The values of x are 0 and 3
Substitute the values of x in equation (2) to find y
When x = 0
y = 7(0) + 13
y = 0 + 13
y = 13
When x = 3
y = 7(3) + 13
y = 21 + 13
y = 34
The values of y are 13 and 34
The solutions of the system of equations are (0 , 13) , (3 , 34)
Learn more:
You can learn more about the system of equations in brainly.com/question/3739260
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