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NNADVOKAT [17]
3 years ago
13

Write an equation of the direct variation that includes the point (9, –12).

Mathematics
2 answers:
Korvikt [17]3 years ago
5 0
Y = (-4/3)x that is the right answer
Lina20 [59]3 years ago
5 0

Answer:

y= -1 1/3x

Step-by-step explanation:

He explained it but didn't evaluate the answer.

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One solution to a quadratic function, h, is given.
Margaret [11]

Answer:

B. The other solution to function h is -4-i\,7.

Step-by-step explanation:

From Algebra, we remember that quadratic functions of the form a\cdot x^{2}+b\cdot x + c has solutions of the form:

x = \frac{-b\pm \sqrt{b^{2}-4\cdot a\cdot c}}{2\cdot a}, where both are complex if and only if \sqrt{b^{2}-4\cdot a \cdot c}< 0.

Hence, if one solution of the quadratic function is -4+i\,7, then the other solution is -4-i\,7. The correct answer is B.

7 0
3 years ago
Find the surface area of the pyramid shown to the nearest whole number.<br> 6ft 5ft 5ft
Tom [10]

Answer:75,

Step-by-step explanation:

1/2 bh= A for one T 5*5=25 25*6= 150

150/2=75

OR

5*5/2=12.5

12.5*6=75

4 0
3 years ago
A eagle has landed in a tree 50 feet above sea level. Directly below the eagle, a seagull is flying 17 feet above sea level. Dir
Luba_88 [7]

Answer:

As attached

Step-by-step explanation:

6 0
3 years ago
(10-P) Help please, thanks.
Anuta_ua [19.1K]
The formula of linear equation is:
y1  -  y2 = m(x1  -  x2)
Where
x1 and x2: x coordinates(-1 and 3)
y1 and y2: y coordinates(-2 and 10)
m is the slope

We can then choose a point from the line to find the eqaution.

We need to first find the slope:
\frac{y1 - y2}{x1 - x2}
In this case:
\frac{ - 2 - 10}{ - 1 - 3}   \\ =  \frac{ - 12}{ - 4}  \\  = 3

In this case, as the y2 is given as 1,put (-1,-2) , and the slope(3 )into the eqaution :

y-(-2) = 3(x-(-1))
y+2 = 3(x+1)

Therefore
y + 2 = 3x + 1
is the answer.

Hope it helps!
7 0
3 years ago
There are 2 circles and 4 triangles. What is the simplest ratio of circles to triangles?
Tasya [4]

Answer:

1:2

Step-by-step explanation:

it is this answer because you have 2 circles for 4 triangles, you can simplify that by dividing each number by 2 and you get 1 and 2

4 0
4 years ago
Read 2 more answers
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