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solmaris [256]
3 years ago
15

Equations

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
5 0

Step-by-step explanation:

I hope this is correct.

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What is the surface area of the regular pyramid
Gemiola [76]
The total area is the sum of the area of the base (65 m^2) and six times the area of one of the triangular sides.  This area (of one side) is (1/2)(base)(height), or (1/2)(5)(12), so the total area of the sides is 6(1/2)(5)(12) = 180 m^2.  Thus, the total area is 65 m^2 + 180 m^2 = 245 m^2.
7 0
3 years ago
What numbers add to 32 and multiply to -80??
VARVARA [1.3K]
X+y=32
xy=-80

x+y=32
minus x both sides
y=32-x
sub for y

x(32-x)=-80
32x-x^2=-80
times both sides by -1
x^2-32x=80
minus 80 both sides
x^2-32x-80=0
use quadratic formula
where
ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^2-4ac} }{2a}

a=1
b=-32
c=-80

x=\frac{-(-32)+/- \sqrt{(-32)^2-4(1)(-80)} }{2(1)}
x=\frac{32+/- \sqrt{1024+320} }{2}
x=\frac{32+/- \sqrt{1344} }{2}
x=\frac{32+/- 8\sqrt{21} }{2}
x=16+/-4√21

the numbers are
16+4√21 and 16-4√21
5 0
3 years ago
The school store is selling student planners. It costs $2 each week to advertise the planners. The store buys each planner for $
WINSTONCH [101]
The answer is A
You have 2.50x because they make 4.50 for each one but it cost the $2 to get it so 4.50-2.00 =2.50
You subtract 2 because of ow much it costs to advertise the planners
4 0
3 years ago
Read 2 more answers
The graph of g(x) is a parabola with a vertex at (0, 2).
Yuri [45]
The function g(x) has vertex (0,2) and the function of the graph has vertes (-2,0), so this latter is the function f(x).

Now analyze the statements.

<span>Neither function is an even function ---> FALSE because the fact that the function g(x) has vertex (0,2) means that the symmetry axis of the parabole is the y-axis, so you know that g(x) = g(-x) which is the definition of an even function.

Only the function g(x) is an even function ---> TRUE: I already explained you why you can tell that g(x) is even. Now you just mut observe the graph of f(x) to realize that f(x) is not equal to f(-x) which means that it is not even.

Both functions are even functions ---> FALSE as we stated above f(x0 is not even.

Only the function f(x) is an even function ---> FALSE as we stated above.</span>
5 0
3 years ago
Ope
ad-work [718]

The slope of the line is 4.83 and the y-intercept is 51

<h3>How to determine slope and the y-intercept?</h3>

From the graph, we can see that the line of the best fit touches the y-axis at y = 51

This means that:

The y-intercept is 51

The slope is then calculated as:

m = (y2 - y1)/(x2 - x1)

Using the points on the line, we have:

m = (80 - 51)/(6 - 0)

Evaluate

m = 4.83

Hence, the slope of the line is 4.83


Read more about line of best fit at:

brainly.com/question/25226042

#SPJ1

6 0
2 years ago
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