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Answer:

4 1/2 minutes

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Answer:

The circunference is represented by the equation is [tex]x^{2}+y^{2}-6\cdot x +4\cdot y +9=0[/tex].

The graph of this function is presented in the attachment.

Step-by-step explanation:

The general equation of the circunferece is defined by the following formula:

[tex]x^{2}+y^{2}+A\cdot x + B\cdot y + C = 0[/tex] (1)

We can determine the value of the coefficients by knowing three distinct points: [tex](x_{1}, y_{1}) = (3,0)[/tex], [tex](x_{2},y_{2}) = (5,-2)[/tex], [tex](x_{3},y_{3}) = (1, -2)[/tex]

The system of linear equations is:

[tex]3\cdot A + C = -9[/tex] (2)

[tex]5\cdot A -2\cdot B + C = -29[/tex] (3)

[tex]A -2\cdot B + C = -5[/tex] (4)

The solution of this system is: [tex]A = -6[/tex], [tex]B = 4[/tex], [tex]C = 9[/tex].

The circunference is represented by the equation is [tex]x^{2}+y^{2}-6\cdot x +4\cdot y +9=0[/tex].

The graph of this function is presented in the attachment.

Answer:

1.sale price =$40

2.sale price=$80

3.orginal price=$94.60

4.orginal price=$20.80

Answer:

This is the exterior angle theorem, so

x+30+x+22=130

2x+52=130

2x=78

x=39

sooooooooooooo

39+22=61 degrees

61 degrees

Answer:

21

Step-by-step explanation:

First set up the equation

130 + x + 30 + x + 22 = 180  (triangle angles always add up to 180)

then start to solve to find x

130 +2x + 30 + 22 = 180

182 + 2x = 180

-182          -182

2x = -2

/2     /2

x = -1

Then just plug it back into the equation

-1 + 22

21

Answer:

100

Step-by-step explanation:

Just add

Answer:

Sorry, you didn't attach the expression.

Step-by-step explanation:

Answer:

29

Step-by-step explanation:

Simplify:

5(1.5)+(20+1.5)

= 7.5 + 21.5

= 29

HOPE THIS HELPS!! <333

-Silver

Answer:

2

Step-by-step explanation:

Answer:

x=7/5

Step-by-step explanation:

We can write it in exponential form

128= 2^2*2x * 2^x

2^4x+x=5x

2^5x=128

2^5x=2^7

5x=7

x=7/5

The value of x in the equation given is

[tex] \frac{7}{5} [/tex]

To solve :

[tex]128 = {4}^{2x} \times {2}^{x} [/tex]

Change all values to have the same root :

[tex] {2}^{7} = {2}^{2(2x)} \times {2}^{x} [/tex]

[tex] {2}^{7} = {2}^{4x} \times {2}^{x} [/tex]

[tex] {2}^{7} = {2}^{(4x + x)} [/tex]

[tex] {2}^{7} = {2}^{5x} [/tex]

The roots cancel out

[tex] 7 = 5x[/tex]

Divide both sides by 5

[tex]x = \frac{7}{5} [/tex]

Therefore, the value of

[tex]x = \frac{7}{5} [/tex]

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Answer: no did

Step-by-step explanation:

bwhehe

Answer (if we're solving for x):

[tex]x=-7[/tex] or [tex]\frac{9}{2}[/tex]

Step-by-step explanation:

Answer: The equation in slope-intercept form: [tex]y=-5x+2[/tex]

Step-by-step explanation:

The given equation of a line : [tex]y+3= -5(x-1)[/tex]

The equation of a line in slope -intercept form: y=mx+c, where m= slope , c=y-intercept.

We first use distributive property(a(b+c)=ab+ac) to simplify the given equation, we get

[tex]y+3=-5x+5[/tex]

Subtract 3 from both sides, we get

[tex]y=-5x-2[/tex]

Hence, the equation in slope-intercept form: [tex]y=-5x+2[/tex]

Not similar.

Because it should be [tex]\frac{22}{11} =\frac{18}{9} \neq \frac{24}{13}[/tex]

2=2[tex]\neq[/tex]1.84

Answer: [tex]3\frac{21}{30} ,3\frac{14}{28},\frac{15}{25},0.5,-0.7[/tex]

Step-by-step explanation:

[tex]-0.7=-0.7\\\\3\frac{21}{30}=3.7\\\\3\frac{14}{28}=3.5\\\\0.5=0.5\\ \\\frac{15}{25}=0.6[/tex]

Answer:

D

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

Answer:

50

Step-by-step explanation:

multiply 5 and 10

[tex]\huge\textbf{Answer}[/tex]

[tex]5 \times 10 \\ = 50[/tex]

꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐

Answer:

-18(2x-3y+5)

-2(18x-27y+45)

Answer: B is correct

Step-by-step explanation:

Answer:

the circumference is 25.12

Answer:

30 books

Step-by-step explanation:

bookshelf is 45 inches

each book is 1 1/2 inches

45 / 1 1/2 = 30

30 books can fit on the shelf

Answer:

not proportional

Step-by-step explanation:

Answer:

z = 17.5

Step-by-step explanation:

segment RX is an angle bisector and divides the opposite side into segments that are proportional to the other 2 sides, that is

[tex]\frac{RS}{RT}[/tex] = [tex]\frac{SX}{TX}[/tex] , substitute values

[tex]\frac{15}{z}[/tex] = [tex]\frac{6}{7}[/tex] ( cross- multiply )

6z = 105 ( divide both sides by 6 )

z = 17.5

9/4-9/8 = 1.125 -> 1  1/8

Answer:

9/4-9/8=9/8

Step-by-step explanation:

first you need a common denominator so 9/4x2/2 = 18/8. then you subtract  18/8-9/8=9/8.

Answer:

Step-by-step Answer:

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Answer:

7200 m

Step-by-step explanation:

as volume is l×b×h

300cm = 3m

so 6m×4m×3m= 72m

Answer:

D. (+,-)

Step-by-step explanation:

Map it out!

Quadrant I's points will always be (+,+). It is located in the upper right section.

Quadrant II's points will always be (-,+). It is located in the upper left section.

Quadrant III's points will always be (-,-). It is located in the lower left section.

Quadrant IV's points will always be (+,-). It is located in the lower right section.

The x-coordinate and y-coordinate are both negative, which is the right statement. The best choice is B.

When determining the location of points or other geometrical elements on a manifold, such as Euclidean space, a coordinate system in geometry uses one or more numbers or coordinates.

The value of the coordinate x and the value of the coordinate y are both negative in the fourth quadrant's coordinate system.

As a result, it is true to say that both the x- and y-coordinates are negative. The correct response is B.

To know more about coordinate systems follow

https://brainly.com/question/27481419

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