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elena55 [62]
3 years ago
5

Simplify the expression 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 .

Mathematics
1 answer:
Lynna [10]3 years ago
3 0
The answer is C i think though
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In segment AC, the midpoint is B. if segments AC = 5x-9 and AB= 2x what is the measure of AC? Can you show their work on paper o
vodka [1.7K]

Answer:

The answer to your question is: AC = 36

Step-by-step explanation:

Data

Segment AC with midpoint = B

AC = 5x - 9

AB = 2x

AC = ?

Process

           total length = AC  but B is the midpoint so AB + AB = CA

                                                                                  2AB = CA

                Substitution        2(2x) = 5x - 9

                                             4x = 5x - 9

Solve for x                           4x - 5x = -9

                                             -1x = -9

                                              x = -9/-1

                                             x = 9

Finally,            AC = 5x - 9

                             = 5(9) - 9

                             = 45 - 9

                             = 36

4 0
3 years ago
Plz help me im trying to defeat a boss
Wittaler [7]

Answer:

15200

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Write an equation to represent the relationship shown in the graph.<br> Use the graph below
Lostsunrise [7]

Answer:

y=x+3

Step-by-step explanation:

Hi there!

Linear equations are typically organized in slope-intercept form: y=mx+b where <em>m</em> is the slope and <em>b</em> is the y-intercept (the value of y when the line crosses the y-axis)

First, we could determine the slope (<em>m</em>). The slope is the \displaystyle\frac{rise}{run} of the line, or the number of units it travels up over the number of units it travels to the right.

Notice how each consecutive point moves up 1 unit and right 1 unit. This makes the slope of the line 1/1, which is just 1:

y=1x+b\\y=x+b

Now, to find the y-intercept, we must identify the value of y when the line crosses the y-axis.

The line crosses the y-axis at y=3, so therefore, the y-intercept is 3:

y=x+3

I hope this helps!

6 0
2 years ago
What is the vertex of y = - | x + 3 | + 5
Katyanochek1 [597]

Answer:

vertex = (- 3, 5 )

Step-by-step explanation:

The general form of the absolute value function is

y = a | x - h | + k

where (h, k) are the coordinates of the vertex

Given

y = - | x + 3 | + 5 ← in general form, then

vertex = (- 3, 5 )

7 0
3 years ago
Square tiles are 5 inches long. They plan to make a row of tiles that is 4 feet 2 inches long. How many tiles are there needed t
Eduardwww [97]

Answer:

10 tiles

Step-by-step explanation:

4 feet 2 inches = 50 inches

50/5 = 10 tiles

4 0
3 years ago
Read 2 more answers
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