Help me ASAP PLEASEE! On these two parts please! 22 points and ill do a brain list

Answer:

yes, (0,0) is a solution for the system of equations.

Step-by-step explanation:

y < -x + 3 ,we would then plug in the ordered pair which changes that equation to 0 < 0 +3 (which is just 0 < 3) and that is true.

Then we plug in the ordered pair for the second equation, which changes it to  0 < 2 or 0 < 0 + 2.

Now, since the inequalities are true, the ordered pair works for the system.

(sorry if that was confusing)

Answer:

y = -5/4x + 17

Step-by-step explanation:

Answer:

option 3

Step-by-step explanation:

in order for them to be perpendicular the slope and slope sign flips

so it goes from 4/5 to -5/4.

The y intercept does not matter it when finding an equation that is perpendicular

Given:

The system of equations:

[tex]y=2x+4[/tex]

[tex]y=-\dfrac{10}{3}x+\dfrac{76}{3}[/tex]

To find:

The sum of the x- and y-values in the solution to the system of equations.

Solution:

We have,

[tex]y=2x+4[/tex]                ...(i)

[tex]y=-\dfrac{10}{3}x+\dfrac{76}{3}[/tex]                  ...(ii)

From (i) and (ii), we get

[tex]2x+4=-\dfrac{10}{3}x+\dfrac{76}{3}[/tex]

[tex]2x+\dfrac{10}{3}x=\dfrac{76}{3}-4[/tex]

[tex]\dfrac{6x+10x}{3}=\dfrac{76-12}{3}[/tex]

Multiply both sides by 3.

[tex]16x=64[/tex]

Divide both sides by 16.

[tex]x=\dfrac{64}{16}[/tex]

[tex]x=4[/tex]

Putting x=4 in (i), we get

[tex]y=2(4)+4[/tex]

[tex]y=8+4[/tex]

[tex]y=12[/tex]

The solution of system of equations is (4,12).

[tex]x+y=4+12[/tex]

[tex]x+y=16[/tex]

Therefore, the sum of the x- and y-values in the solution to the system of equations is 16.

Answer:

r=11

Step-by-step explanation:

10r - 20 = 5r + 35

-5r. -5r

---------------------------

5r - 20 = 35

+20 = +20

---------------------------

5r = 55

------------

5r. 5

r=11

Answer:

$15.80

Step-by-step explanation:

20% × 79 = 15.8

Answer:

(-5,2) (-7,0)

Step-by-step explanation:

Answer:

y = 23 x + 7

Step-by-step explanation:

y=mx+b form where m is the slope and b is the y-intercept. You just plug in the values.

Step-by-step explanation:

[tex] \underline{ \underline{ \text{Given}}} : [/tex]

[tex] \underline{ \underline{ \text{To \: find}}} : [/tex]

[tex] \underline{ \underline{ \text{Solution}}} : [/tex]

[tex] \boxed{ \tt{y = mx + c}}[/tex]

⇾ [tex] \tt{y = 23x + 7}[/tex]

⇾ [tex] \tt{0 = 23x + 7 - y}[/tex]

⇾ [tex] \tt{23x - y + 7 = 0}[/tex]

[tex] \boxed{ \boxed{ \text{Our \: final \: answer : \boxed{ \underline{ \tt23x + 7 - y = 0}}}}}[/tex]

( Correct me if I am wrong )

Have a wonderful day / night ! ♡

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

Answer:

-3/5

Step-by-step explanation:

Answer:

b or c

Step-by-step explanation:

Answer:

25 5/24

Step-by-step explanation:

13 7

12

+  

11 5

8

=  (13 + 11) + (  

7

12

+  

5

8

)

=  24 +  

7 × 2

12 × 2

+  

5 × 3

8 × 3

=  24 +  

14

24

+  

15

24

=  24 +  

14 + 15

24

=  24 +  

29

24

=  24 +  

1 5

24

=  

25 5

24

Answer:

-21 is the answer

Step-by-step explanation:

because its even

Answer:

(-3.6,-6.5)

Step-by-step explanation:

Answer:

A. Right angle  -- if you multiply the slopes of 2 intersecting lines and you "-1" then the lines are perpendicular - in this case the line in quadrant 3 has a slope of "1" and the line in quadrant 4 has a slope of "-1", hence their product is "-1" and the angles formed at the intersection of the lines are right angles.

Step-by-step explanation:

Answer:

128 : 1

Step-by-step explanation:

Given that:

The length of an alligator = 12.8 feet.

The length of its replica toy = 3 2/5 inches = 1.2 inches

Since;

1 foot = 12 inches

Then the scale used is:

(12.8 × 12 ) inches = 1.2 inches

153.6 inches = 1.2 inches

Thus, the scale used is 128 : 1

Answer:

19.2

Step-by-step explanation:

You use the pyth.

15^2+12^2=369

Then find the square root of 392 which is 19.2

I hope this helps! have a good day :)

The length of the diagonal of the screen is 19.2 inches

What is the diagonal of a rectangle?

The diagonal of a rectangle is calculated by the formula

From the Pythagoras Theorem , The hypotenuse² = base² + height² , and

Diagonal of a Rectangle = √ ( Length )² + ( Width )²

Given data ,

The length of the screen of the monitor is L = 15 inches

The width of the screen of the monitor is W = 12 inches

Now ,

The diagonal of the screen of the monitor is calculated by ,

Diagonal of a Rectangle = √ ( Length )² + ( Width )²

So ,

Substituting the value of length L and width W , we get

Diagonal of the screen = √ ( 15 )² + ( 12 )²

                                      = √ ( 225 ) + ( 144 )

                                      = √ 369

                                      ≈ 19.209 inches

Therefore , the diagonal of the screen is 19.209 inches

Hence , The length of the diagonal of the screen is 19.2 inches

To learn more about diagonal of rectangle click :

https://brainly.com/question/13583275

#SPJ5

Answer:

x=4

Step-by-step explanation:

hope this helps! let me know if you want the steps/work

edited:

3x/7 = 1 5/7 first calculate the product to get 3x/7=1 5/7

then set the numerators equal since the denominators are the same to get 3x=12

divide both sides to get your answer which is x=4

Answer:

x=4

Step-by-step explanation:

3x/7=12/7

multiply each side by 7

3x=12

divide each side by 2

x=4

Answer:

D. 5(z/x)^10

Step-by-step explanation:

15/3 = 5

z^-5 gets moved to the top, and made positive z^5

x^-3 gets moved to the bottom, and made positive x^3

z^5 + z^5 = z^10

x^7 + x^3 = x^10

5(z/x)^10

Diameter of a circle = 28 m

Then, radius of the circle will be :

[tex] = \tt \frac{diameter}{2} [/tex]

[tex] =\tt \frac{28}{2} [/tex]

[tex] = \tt14 \: m[/tex]

Thus, the radius of this circle = 14 m

Area of circle :

[tex] = \tt\pi {} {r}^{2} [/tex]

[tex] =\tt 3.14 \times 14 \times 14[/tex]

[tex] = \tt3.14 \times 196[/tex]

[tex] = \tt615.44 \: {m}^{2} [/tex]

Thus, the area of this circle = 615.44 m²

Circumference of circle :

[tex] = \tt2\pi r[/tex]

[tex] =\tt 2 \times 3.14 \times 14[/tex]

[tex] = \tt87.92 \: m[/tex]

The circumference of this circle = 87.92 m

Therefore, the area of this circle = 615.44m² and the circumference of this circle = 87.92m

Answer:

a letter

Step-by-step explana

Answer:

Q30-A, C  

Step-by-step explanation:

A) False, If the parallelogram VJHO was a rhombus, angle V wouldn't be supplementary to angle O

B) True, all opposite sides of a parallelogram parallel

C) False, the same reason as A

D) True, opposite sides of a parallelogram congruent

Q25-

angle BCA = 60 degrees

angle CAB = 27 degrees

angle BCT = 29 degrees

angle BMC = 58 degrees

Answer:

1. 2 and 4

2. BCA = 60

CAB = 27

BCT = 29

BMC = 58

Answer:

I know you don't need hep any more but here is for the people that do!

Step-by-step explanation:

Answer:

y+c

-------                                   (tried to make it look like a fraction)

m

Step-by-step explanation:

y=mx-c

You do the same to both sides

                                                    y = mx - c

                                                +c               +c

                                                y + c=mx

                             divide by m          divide by m

                                              y+c

                                          ------------   = x

                                             m

Please tell me if this is right and if i answered the right question!

Good luck!

Answer:

Step-by-step explanation:

A is the answer for this question:   Which graph shows the result of dilating this figure by a factor of One-third about the origin?

Step-by-step explanation:

A is the answer

Answer: 7 hours

Step-by-step explanation:

Let the number of hours used be represented by h.

Since a bike cost 8$ plus 3$ Per hour and Ravi spent 29$ for a bike rental.

This can be represented in an equation as:

8 + 3h = 29

Collect like terms

3h = 29 - 8

3h = 21

h = 21/3

h = 7 hours

Ravi rented the bike for 7 hours

Answer:

Yes

Step-by-step explanation:

To check proportionality :

35 α 1000

35 = 1000k

k = constant of proportionality ;

Divide both sides by 1000 to obtain k

35 / 1000 = 1000k / 1000

0.035 = k

For the ratio Given :

Ratio of 7 parts of salt and 200 parts of water

7 : 200

7 / 200

= 0.035

Since,

k = 0.035 ; 7 / 200 = 0.035

Hence, a proportional relationship exists.

Answer:

Lindsey earned a commission of $6.23

Step-by-step explanation:

Given that:

Commission rate = 5%

Amount of merchandise bought by customer = $124.50

Commission amount = 5% of 124.50

Commission amount = [tex]\frac{5}{100}*124.50[/tex]

Commission amount = 0.05 * 124.50

Commission amount = $6.225

Rounding off to nearest cent

Commission amount = $6.23

Hence,

Lindsey earned a commission of $6.23

Answer:

(0, 9)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Algebra I

Step-by-step explanation:

Step 1: Define Systems

y = -2x + 9

y = 3x + 9

Step 2: Solve for x

Substitution

Step 3: Solve for y

Answer:

9.5m

Step-by-step explanation:

Answer:

9.5 is the height

Step-by-step explanation:

I just looked it up with the term "find height of triangle with base and area"

Answer:

the answer is C 4.4 ft hope it helps

Step-by-step explanation: