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hram777 [196]
3 years ago
5

F(x) = -2x^2 - 10x what is f(-5)

Mathematics
2 answers:
Tanzania [10]3 years ago
5 0

Answer:

your answer would be 0

Step-by-step explanation:

Vaselesa [24]3 years ago
5 0
0 probabyyyyyyyyyyyyy
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write the slope- intercept form of the equation of the line parallel to - x+5y=25, passing through the point (-5,-5). simplify
Olenka [21]
To find the equation of a line that is parallel to your original equation and goes through a certain point on a graph, here's what you need to know:
First you need to find the slope of your original equation.
To do that, you need to convert it to slope intercept form (y = mx+b).
Add the x over, and then divide everything by 5 to get the y by itself.
Here's what that would look like (without the small steps that I mentioned):
-x + 5y = 25
5y = x + 25
y = 1/5x + 5

That's the original equation rewritten in slope intercept form.
The m represents the slope, so this equation's slope is 1/5.

Because you are given a point, and now you have a slope, the best and easiest route is using point slope form.
I've seen different versions of the equation base but I prefer y - y(sub1) = m(x - x(sub1))
But since I can't use subscripts in this, I'll use the one with h and k. The h is the x value of the point, and the k is the y value.
(h,k)
Then just substitute the values in and solve for y.
y - k = m(x - h)
y + 5 = 1/5(x + 5)
y + 5 = 1/5x + 1
y = 1/5x - 4

Your final answer is
y = 1/5x - 4
You can double check by using a graph. If the slopes are the same, the lines should be parallel.

I hope that helps. If anything didn't make sense, feel free to ask me.
5 0
3 years ago
A group of hikers are 675 ft from the base of Guadalupe Peak, which is 8,749 ft tall. What is the angle of elevation when they l
amid [387]
Tan x = 8749/675
x= arctan (8749/675)                            arctan = tan^-1
x=85.59 degrees

6 0
3 years ago
The diameter of a circle is 46 yards. What is the circle's circumference? d=46 yd Use 3.14 for n.​
kolbaska11 [484]

Answer:

144.44 yards

Step-by-step explanation:

The formula to find circumference is: C = π · d

Since we already have most of the factors figured out, we just replace them with what we have.

C = 3.14 · 46 yrds

144.44 = 3.14 · 46

5 0
2 years ago
If the equation of a line is given by y = 3.4x - 6.5, what is the slope of the line? (Remember, ONLY
Kobotan [32]
The slope of the line is 3.4
4 0
3 years ago
3\8 (2x+16)−2=13<br><br> I'm having trouble with a lot of these
dlinn [17]
Add 2 to 13 and then divide by 3/8. subtract 16 and then divide by 2. 12 is your answer
8 0
3 years ago
Read 2 more answers
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