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Sati [7]
3 years ago
6

Which statement is true?

Mathematics
2 answers:
love history [14]3 years ago
6 0
The answer to your question would be B
pishuonlain [190]3 years ago
3 0
D - their slopes are negative reciprocals of each other.
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A survey was conducted to study the relationship between a college student's age and the value of the car they drive. Data were
ludmilkaskok [199]

Answer:

Q1 A Scatter plot. Q2

Step-by-step explanation:

Q1. We have a data set containing values of car and age group, if we plot value of the car on y-axis and the age on x, it is logical that two different age groups can own a care with same value, so we can have two values on x corresponding to one value on the y-axis, if we can use scatter plot to visually depict this data.

Q2 50 couples with bride age and groom age , here we can take age difference and number of couples that fit in the catogery, a two way table can be used to describe this data(two columns ).

6 0
3 years ago
If the "discriminant" of a quadratic equation is -25, then the equation has _________________ solution(s).
slava [35]

no real solutions

The conditions for the discriminant are

• If b² - 4ac > 0 then 2 real and distinct roots

• If b² - 4ac = 0 then 2 real and equal roots

• If b² - 4ac < 0 then no real solutions


7 0
3 years ago
28-9X=-12-11X<br><br> How would you answer that?
jolli1 [7]
28-9x=-12-11x \\\\ -9x+11x=-12-28 \\\\ 2x=-40 \\\\ \boxed{x=-\frac{40}{2}=-20}
4 0
3 years ago
Graph the following piecewise function and then find the range.. help please!!!
kipiarov [429]
Parabola : @x =-4,6 make an empty bubble
Line : fill in bubble @x=6, empty bubble @x=9

6 0
4 years ago
Find an equation of the plane. the plane through the point (2, 9, 4) and with normal vector 6i + j − k
nexus9112 [7]
1) n(6;1;-1)=n(A;B;C), point A(2;9;4)=A(x₀;y₀;z₀);
2) common view for a plane according the conditions is: A(x-x₀)+B(y-y₀)+C(z-z₀)=0;
3) after substituted coordinates: 6(x-2)+(y-9)-(z-4)=0; ⇒ 6x+y-z-17=0.
7 0
3 years ago
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