x+3y=1 -3x-3y=-15 solve system of equations

Answers

Answer 1
im not sure if you want it in y=mx+b form but if that is the case then it would be y=-1/3x+1/3 and the other would be y=-x+5

Related Questions

Can you find the numbers as powers with the given bases as your clue? Example: the number is 64 and the base is 4. I test 4x4=16 Then 16x4=64 So my power must be 43 because 4x4x4=64. Now you try... 1. It has a value of 32; it has a base of 2 2. 81, base 9 3. 81, base 3 4. 100, base 10

Answers

Step-by-step explanation:

For 32:

The factors are as shown:

32 = 2*2*2*2*2

32 = 2²*2³

32 = 2²⁺³

32 = 2⁵ (Base of 2 and power of 5)

For 81:

factors

81 = 3*3*3*3

81 = 3²*3²

81 = 3²⁺²

81 = 3⁴ (Base of 3 and power of 4)

For 100:

factors

100 = 10*10

100 = 10² (Base of 10 and power of 2)

Find the slope of the line containing the pair of points.
(-11,12) and (7, - 2)

Answers

Answer:

-7/9

Step-by-step explanation:

The slope of the line is -7/9

12+2/-11-7=

14/-18=

7/-9=

-7/9

Answer:

The answer is -7/9

Step-by-step explanation:By using the Slope Formula (y2-y1)/(x2-x1) you label the the points ( y2=-2, y1=12), (x2=7, x1=-11) then you plug the answer into the formula -2-12/7- -11 then when you figure that out you get 14/18 but that's not the answer. You need to simplify it then the correct answer is -7/9

The AREA of little Tommy's backyard rectangular sandbox can be represented by the given trinomial. Select the correct expression that can represent the LENGTH of the sandbox. (x²-6x+8) ft² options... (x+4) ft (x+8) ft (x-6) ft (x+6) ft (x+2) ft (x-2) ft

Answers

Step-by-step explanation:

The area of little Tommy's backyard rectangular sandbox can be represented by the given trinomial.

A = (x²-6x+8) ft²

We know that the area of a rectangle is given by :

A = L × B

[tex]LB=(x^2-6x+8) \\\\=x^2-(-4x-2x)+8\\\\=x^2+4x+2x+8\\\\=x(x+4)+2(x+4)\\\\=(x+2)(x+4)[/tex]

The length of the rectangle can be either (x+2) or (x+4).

The scissor lift is a device that can lower and raise a platform. the scissor lift can raise the platform at a rate of 2.0 inches per second after t seconds is given by H=2.0t +35. after how many minutes will the lift be at least 50 feet off the ground

Answers

Answer:

i thank it is 25 seconds.  

Step-by-step explanation:

FIND m< ABC need help ‼️‼️

Answers

Answer:

I dont really understand what you mean

x is 25 tho and each section is 60 degrees

72 ounces in 6 steaks

Answers

Answer:

Each steak is 72/6 = 12 oz

Step-by-step explanation:

Unit rate = total ounces /  total steaks:

72 ounces / 6 steaks = 12 ounces per steak

Unit rate = 12 ounces per steak.

Kiran sells f full boxes and h half-boxes of fruit to raise money for a band trip. He earns $5 for each full box and $2 for each half-box of fruit he sells and earns a total of $100 toward the cost of his band trip. The equation 5f+2h=100 describes this relationship. Solve the equation for f.

Answers

Answer:

f = (100 - 2h) / 5

Step-by-step explanation:

Given:

5f + 2h = 100

Solve the equation for f.

5f + 2h = 100

Subtract 2h from both sides

5f + 2h - 2h = 100 - 2h

5f = 100 - 2h

Divide both sides by 5

5f / 5 = (100 - 2h) / 5

f = (100 - 2h) / 5

If f = 1 full box

h = 1/2 box

h = 1/2 of f

h = 1/2f

Substitute h = 1/2f into

f = (100 - 2h) / 5

f = {100 - 2(1/2f)} / 5

f = (100 - 2/2f) / 5

5f = 100 - f

5f + f = 100

6f = 100

f = 100 / 6

= 16.67

f = 16.67

The required value of f is 16.67.

Given that ;

Kiran sells full box of fruit cost for each box = f = $5

And Kiran sells half box of fruit cost for each = h = $2

According to the question ;

For full box cost  + for half box cost = Total cost of his band trip

5f + 2h = 100

Solve the equation following equation for f .

5f + 2h = 100

Subtract 2h from both sides

5f + 2h - 2h = 100 - 2h

5f = 100 - 2h

Divide both sides by 5

[tex]\frac{5f}{5} = \frac{100}{5} - \frac{2h}{5}[/tex]

f = 20-2h

For full box f = 1 full box

For half box h = 1 half box

It means h = [tex]\frac{1}{2}[/tex] of f

h = [tex]\frac{1}{2}f[/tex]

Substitute the value of h  

[tex]f = \frac{(100-2h)}{5} \\f = \frac{100-2(\frac{1}{2f} )}{5}[/tex]  

[tex]f = \frac{100-f}{5}[/tex]

5f = 100 - f

5f + f = 100

6f = 100

[tex]f = \frac{100}{6}[/tex]

f = 16.67

The required value of f is 16.67.

For more details about the making equation click the link given below.

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Lesson 6: Find the circumference of the figure below. Round to the nearest
tenth. *
6.2 cm
C=120.8cm
C=39.0cm
C=30.2cm
C=19.5cm

Answers

Answer:C=120.8cm

Step-by-step explanation:

h(x)=−x−1, find h(6)

Answers

h(x) = -x-1

Then just substitute x =6

Then,

h(6) = (- 6-1)

=> h(6)= -7

··4 m 1 3
··4 m 2 3
··8 (m 1 1)?

Answers

Answer:

what does the m stand for

Step-by-step explanation:

simplify 6^-3
Please I need this asap!!!!

Answers

Answer:

Exact Form:

1 /216

Step-by-step explanation:

If tan(theta)= -10, sin(theta)<0, find the exact value of each of the following for 0≤theta<2π.
A. sin(2theta) B.cos(2theta) C.sin theta/2 D.cos theta/2

Sorry, I couldn't find the symbol for theta!!! :(

Answers

Sorry I can’t fine if

Select the ordered pair that represents a solution to the equation x + 4y = 35.

(0,35)

(3,8)

(3,9)

(8,3)

Which one is it?

Answers

Answer: (3,8)

Original Equation: x + 4y = 35

Substitute: (3) + 4(8) = 35

Simplify: 3 + 32 = 35

Answer: 35 = 35
It’s (0,35) because
Subtract 4y from both sides and it will be x=35-4y

Two students are solving the same problem: At a hardware store, they can cut a length of rope off of a big roll, so you can buy any length you like. The cost for 6 feet of rope is $7.50. How much would you pay for 50 feet of rope, at this rate?

Answers

Answer: 62.5

Step-by-step explanation:

if you multiply 1.25 x 50 = 62.5

(in the problem you may have been given a chart if not look below for the problem also i’m sorry if it doesn’t make sense lol)

[6 above 1 under 50] - [1.75 under 1.25]

[using 1.25 x 50 you get your answer 62.5)

given the f(x)=5x-3 find x when f(x)=25

Answers

Answer:

28/5

Step-by-step explanation:

[tex]f(x) = 5x - 3 = 25 [/tex]

[tex]5x = 25 + 3[/tex]

[tex]5x = 28[/tex]

[tex]x = \frac{28}{5} [/tex]

I think this is the answer

is 46 ft more than 588 in?​

Answers

Answer:

i think so

Step-by-step explanation:

Answer:

no

Step-by-step explanation:

please help me on this​

Answers

The answer should be B because 440 minus 154 is 286 and 286 divided by 11 is 26 so it’s 26 hours or more to get over 440


Solve x^2 = 64, where x is a real number.
Simplify your answer as much as possible.
If there is more than one solution, separate them with commas.
If there is no solution, click on "No solution".

Answers

Answer:

x=8

Step-by-step explanation:

8 times 8 equals 64

i really need help with this one please help me thank you​

Answers

Answer:

B

Step-by-step explanation:

answer choices:
A- y=3x-8
B- y=-2x+1
C- y=-4x-1
D- y=2x-5

Answers

Choice C because the graph shows the y-intercept is -1, and to find the slope look at each point on the line drawn to figure out your answer.

The linear equation plotted in the graph is y=4x-1

What is the slope-intercept form of a line?

The slope-intercept form of a line is represented by y=mx+c where m=slope and c is the y-intercept of the line

Given here: The graph of a line that passes through the point (0,-1)

We know the slope intercept form of a line is given by

y=mx+c

Thus if the line passes through this point then

-1=m×0+c

c=-1

Again we can clearly observe that one of the points that lie on the line is (-1,3)

3=-m-1

m=4

∴ The required equation is y=4x-1

Hence, The linear equation plotted in the graph is y=4x-1

Learn more about linear equations here:

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URGENT! 10 points
Solve for x then find DE

Answers

Answer:

14

Step-by-step explanation:

Answer:

11

Step-by-step explanation:

x+7+7=4x+2 simplify

For each problem, select the answer from the two choices.

1. The value of 25 · (8.5) is:
a. More than 205
b. Less than 205

2. The value of (9.93) · (0.984) is:
a. More than 10
b. Less than 10

3. The value of (0.24) · (0.67) is:
a. More than 0.2
b. Less than 0.2

Answers

Answer:

a. More than 20b. Less than 10b. Less than 0.2

Step-by-step explanation:

212.59.70.1608

Hope it helped you

Answer:

1. [A] More than 205

2. [B] less than 10

3. [B] less than 0.2

Step-by-step explanation:

1. The value of 25 · (8.5) is:

a. More than 205

b. Less than 205

Solve:

25 · (8.5) = 212.5

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

2. The value of (9.93) · (0.984) is:

a. More than 10

b. Less than 10

(9.93) · (0.984) = 9.77112

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

3. The value of (0.24) · (0.67) is:

a. More than 0.2

b. Less than 0.2

(0.24) · (0.67) = 0.1608

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

~lenvy~

Help!! Plss!!The Boone family is buying a new house that
was originally listed for $350,000. They were able
to purchase the house for $295,000. What was
the percent decrease in the cost of the house to
the nearest tenth of a percent?

Answers

Answer:

15.7% decrease

Step-by-step explanation:

numerical expressions:(I need help)
1.) x-27=(-14) x=?
2.) x-72=12 x=?
3.) x*12=60 x=?

Answers

1).  Add 27 to each side of the equation.

2). Add 72 to each side of the equation.

3). Divide each side of the equation by 12.

y=3/2x+2

On a graph.

Answers

Answer:

The answer will be listed below!

Step-by-step explanation:

To graph the equation y=3/2x+2, you must know what 3/2x is and what 2 is. 2 would be your y-intercept as the 3/2x would be your slope. As you can see, look for 2 on the y axis and place a dot there. Now, take your slope and use rise/run which means up three and to the right 2. After you finish, draw a line through it and you have graphed it!

The graph of the given equation is a straight line [attached in solution]

What is graph?

A graph can be defined as a pictorial representation or a diagram that represents data or values in an organized manner.

Given is an equation, y = 3x/2+2

We need to plot its graph,

Finding the coordinates,

y = 3x/2+2

Put x = 0

y = 2

(2, 0)

Put x = -4

y = -3(4)/2+2

y = -6+2

y = -4

(-4, -4)

Plot the coordinates on a graph, and then join them, the obtained line will the graph of the given equation.

Hence, the graph of the given equation is a straight line.

Learn more about graphs, click;

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quickly, will mark brainliest

Answers

Answer: IDKDIKDIDKIKDI

Step-by-step explanation:

PLEASE HELP ME I NEED THIS DONE TODAY!!!
Taylor swam 3 different heats in the 100m freestyle. The first heat was 29.1 seconds,the second heat was 28.7 seconds, and the third heat was 27.2 seconds. What was the difference between her best time and her worst time?

Answers

Answer:

16.5 you have to add the divde

Find the value of a for which the solution of the inequality is all real numbers

a(x + 3) < 5x + 15 - X

Answers

Answer:

x = 3

Step-by-step explanation:

 (3 • (5x - 15)) -  15 • (x - 3)  = 0  

STEP

2

:

STEP

3

:

Pulling out like terms

3.1     Pull out like factors :

  5x - 15  =   5 • (x - 3)  

Equation at the end of step

3

:

 15 • (x - 3) -  15 • (x - 3)  = 0  

STEP

4

:

Pulling out like terms

4.1      Pull out     15  

Pulling out like terms :

4.2      Pull out     x-3  

After pulling out, we are left with :

     15 • x-3 • ( 1  *  1 +( (-1)  *  (-1) ))

Equation at the end of step

4

:

 30 • (x - 3)  = 0  

STEP

5

:

Equations which are never true

5.1      Solve :    30   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

5.2      Solve  :    x-3 = 0  

Add  3  to both sides of the equation :  

                     x = 3

One solution was found :

x = 3

The required value of a for which the solution of the inequality is all real numbers is a > 4.

What is inequality?

A statement of an order relationship-greater than, greater than or equal to, less than, less than or equal to- between two numbers or algebraic equations.

Now the given inequality is,

a(x + 3) < 5x + 15 - x

or, a(x + 3) < 4x + 15

Now let us solve for x first,

⇒ ax + 3a  < 4x + 15

Subtract 3a from both sides we get,

ax < 4x + 15 - 3a

Subtract 4x from both sides we get,

ax - 4x < 15 - 3a

or, (a - 4)x < 15 - 3a

Dividing both the side by (a - 4) we get,

x < (15 - 3a) / (a - 4)

Now for solutions to be real numbers,

a - 4 > 0

subtracting 4 both the side we get,

⇒ a > 4

this is the required value of a for which the solution of the inequality is all real numbers

Thus, the required value of a for which the solution of the inequality is all real numbers is a > 4.

To learn more about inequality :

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can someone please answer this question? thank you! (assignment due today)
15. Find the values of x and y.
(10x – 61)º
(18y + 5)º
(r + 10)º

Answers

Answer:

(18*y+5)-((10*x-61))=0

Step-by-step explanation:

should be your answer ║

(18*y+5)-((10*x-61))=0

In the figure above
A
B

=
4
x
+
6
AB
=4x+6 and
B
C

=
7
x
+
15
BC
=7x+15. If
A
C

AC

=
120
=120, find the value of
x
x and the length of
A
B
AB .

Answers

Answer:

I do not u derstand the question by the way you are trying to put it

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