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trasher [3.6K]
3 years ago
13

What is the solution to the equation below? Vx + 3 = x - 3 A. 3 B. 6 C. 5 D. 4

Mathematics
1 answer:
kherson [118]3 years ago
6 0

Answer:

6

Step 1: Solve Square Root

Vx+3=x-3

x+3=(x-3)^2 (squared both sides)

x+3=x^2-6x+9

x+3-(x^2-6x+9)=0

(-x+1)(x-6)=0 (factor left side of equation)

-x+1=0 or x-6=0

x=1 or x=6

When you plug it in to check

1 (Doesn't Work)

6 (Work)

Therefore, 6 is your solution.

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9.01 prove that the two circles are similar
il63 [147K]

Answer:

see the procedure

Step-by-step explanation:

we know that

Figures can be proven similar if one, or more, similarity transformations (reflections, translations, rotations, dilations) can be found that map one figure onto another.  

In this problem to prove circle C and circle A are similar, a translation and a scale factor (from a dilation) will be found to map one circle onto another.

we have that

Circle C is centered at (0,-1) and has a radius of 2 units

Circle A is centered at (3,4) and has a radius of 5 units

step 1

Move the center of the circle C onto the center of the circle A

the transformation has the following rule

(x,y)--------> (x+3,y+5)

so

(0,-1)------> (0+3,-1+5)-----> (3,4)

center circle C is now equal to center circle A  

The circles are now concentric (they have the same center)

step 2

A dilation is needed to increase the size of circle C to coincide with circle A

scale factor=radius circle A/radius circle C-----> 5/2=2.5

radius circle C will be=2*scale factor-----> 2*2.5=5 units

radius circle C is now equal to radius circle A  

therefore

A translation, followed by a dilation will map one circle onto the other, thus proving that the circles are similar

4 0
3 years ago
The activity where you learn about what's needed to be a good writer is called
drek231 [11]

Answer:

Bachelor's Degree in writing

Step-by-step explanation:

7 0
3 years ago
If the measure of DAC = 40 o, and the measure of CAB = 30o, which is the measure of arc DCB?
mr Goodwill [35]
It would be 70o I think.
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3 years ago
What is -11 + -11 +-11
vaieri [72.5K]

Answer:

-33

Step-by-step explanation:

-11 + -11 + -11 = -33

-11 x 3 = -33

Hope this helps you :)

7 0
3 years ago
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He will hit it 23 out of 60 times and not hit it 37 out of 60 times so he would hit it about 38.3% of the time and miss about 61.6% of the time
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3 years ago
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