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dusya [7]
3 years ago
6

The graphs of f(x) and g(x) are shown below:

Mathematics
1 answer:
Ivanshal [37]3 years ago
5 0

Answer:

x = -1,5.4

Step-by-step explanation:

We have to solve  equation f(x) = g(x) from graph.

In graph f(x) and g(x) will be equal at the point where they meet each other.

Other way to understand this is

since  y will be value of f(x) and g(x) .

so we need same value of y for both  f(x) and g(x)

and same value for y will be at point where both function meets each other.

now looking at graph ,

we can see that graph of function  f(x) and g(x) intersect at two points

(-1,-10) and other is at (5.4,12)

Thus, value of x from pair of solutions (-1,-10) and (5.4,12) is x = -1, 5.4.

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A line with a slope of 2 passes through (3,9). Which choice is an equation of this line?
Veronika [31]

Answer:

The answer to your question is number 3.

Step-by-step explanation:

Data

slope = m = 2

Point = (3, 9)

Process

1.- Write the equation of the line in the form point-slope

               y - y1 = m(x - x1)

2.- Identify the values of x1 and y1

        x1 = 3   y1 = 9

3.- Substitution

               y - 9 = 2(x - 3)

4.- Simplify

              y - 9 = 2x - 6

              y = 2x - 6 + 9

5.- Result

              y = 2x + 3       slope y-intercept form

6 0
2 years ago
What is the solution for a + 5 and two-thirds = 9
erastova [34]

Answer:

8.5

Step-by-step explanation:

Do you mean "(a+5)2/3

(a + 5) 2/3 = 9

a + 5 = 13.5

a=8.5

3 0
3 years ago
What number should be added to both sides of the equation to complete the square?
baherus [9]
-4 is what you put on both sides Bc it’s half of b
4 0
2 years ago
Two opposite sides of the square are increased by 8 inches and the other two sides are decreased by 5 inches. the area of the ne
Iteru [2.4K]

Answer:

The length of a side of the square would be 8.

Step-by-step explanation:

7 0
2 years ago
Suppose that a jewelry store tracked the amount of emeralds they sold each week to more accurately estimate how many emeralds to
Ratling [72]

Answer: point estimate = 3.88

Margin of error = 0.63

Step-by-step explanation:

Confidence interval is written in the form,

(Point estimate - margin of error, Point estimate + margin of error)

The sample mean, x is the point estimate for the population mean. Let m represent the margin of error. Since the confidence interval is given as (3.25 , 4.51), it means that

x - m = 3.25

x + m = 4.51

Adding both equations, it becomes

2x = 7.76

x = 7.76/2

x = 3.88

Substituting x = 3.88 into x + m = 4.51, it becomes

3.88 + m = 4.51

m = 4.51 - 3.88

m = 0.63

8 0
3 years ago
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