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777dan777 [17]
3 years ago
9

Please help ASAP !!!!!

Mathematics
2 answers:
Scrat [10]3 years ago
7 0

Answer:

solutions of given system are (-2,4) and (2,0).

Step-by-step explanation:

We have given a system of equations.

y = x²-x-2

y = -x+2

We have to find solution of given system by graphing.

In graphing method, solution of a system is the points on graph where two lines intersect each other.

From attached  graph, intersecting points are (-2,4) and (2,0).

Hence, solutions of given system are (-2,4) and (2,0).

alina1380 [7]3 years ago
4 0

Answer:

(-2,4) and (2,0)

Step-by-step explanation:

The graphical solution to the system of equations is simply the point(s) where the graphs of the function intersect or cross each other.

The graphs of the function can be found in the attachment below;

From the graph, the functions intersect at ;

(-2,4) and (2,0)

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If f(x) = x + 4 and g(x) = x, what is (gºf)(-3)?
valina [46]

(gºf) means solve f(x) first, then use that for g(x)

In the equation for f(x) replace x with -3:

f(x) = x +4 = -3 +4 = 1

Now replace the x in the equation for g(x) with 1

g(x) = x = 1

6 0
3 years ago
The formula of the volume of a pyramid is 1/3BH, where B represents the area of the base of the pyramid and H represents the hei
zysi [14]

Answer:

It depends on the relation between the heights  of both pyramids

Step-by-step explanation:

We know the volume of a pyramid of base b and height h is

V=\frac{1}{3}bh

If the volume of the pyramid A is 3 times the volume of the pyramid B, then

\frac{1}{3}b_ah_a=3*\frac{1}{3}b_bh_b=b_bh_b

Which means

b_ah_a=3*b_bh_b

If we knew both heights are the same, we could conclude that

b_a=3*b_b

In which case the base of the pyramid A would be greater than the other base

But if, for example, the height of the pyramid A is 3 times the height of the other height, then

3*b_a=3*b_b=>b_a=b_b

Both bases would be the same.

If we choose that  

h_a >3*h_b

it would mean

b_a

In which case the base of the pyramid A would be less than the other base

So the answer entirely depends on the relation between the heights of both pyramids

3 0
3 years ago
There are 140 members in a community sports program. Sixty-five percent of these members play soccer.
defon
Well, we have to determinate the 65% of 140, which are 91 members play soccer. 

The total members are 140, if 91 play soccer, 49 members do not play soccer. 

The answer is 49 members.
3 0
3 years ago
Imagine that you are plotting points on a coordinate plane. Each axis is labeled with integers from −5 to 5. Explain how you wou
liraira [26]

Answer:

Sample Response: Start at the origin. The x-coordinate is −2½ , so move left 2½ units. −2½ is halfway between −3 and −2. The y-coordinate is −4, so move down 4 units. Plot the point.

Step-by-step explanation:

5 0
3 years ago
Write the equation <br> it passes through (0,-2) and is perpendicular to the graph of y=5x+7
romanna [79]

Step-by-step explanation:

the line passes through (0,-2) and perpendicular to the graph of y=5x+7.

solution :

the slope = -1/5

the equation :

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y = -1/5x - 2

6 0
3 years ago
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