Mathematics College

Solve the following system of equations using a method of your choice.

Write the solution as an ordered pair ( , ) and then you will be prompted to explain your thinking.
4x-2y=4
x+y=10

Answers

Answer 1

Answer:

Step-by-step explanation:

cant remember what this method is called but

change the second equation to be y = something

x + y = 10

y = -x + 10

plug in this y= in the first equation to get x

4x -2(-x + 10) = 4

4x + 2x -20 = 4

6x = 24

x = 4

then plug in the x we found into the original second equation

4 + y = 10

y = 6

so your ordered pair would be (4,6)

hope this helps <3

Related Questions

5.
3x3 + 2y2 - xy for x = 2 and y = 3

Answers

Answer:

21

Step-by-step explanation:

PLEASE HELLPPP MEEEE WITHH MATHHH

Answers

Answer:

-1/2y+1/2x

Step-by-step explanation:

ashley's tricycle has two different wheel sizes: one larger wheel and two smaller wheels. As Ashley travels the distance between her house and her neighbor's house on the tricycle, the larger wheel rotates 4 times, and each of the small wheels rotate 12 times. If half the circumference of the larger wheel is 2 inches more than the circumference of one of the smaller wheels, what is the distance, in inches, traveled by the tricycle between ashley's house and her neighbor’s house?

A. 4 inches
b. 48
c. 60
d. 16

Answers

Answer:

the answer is D have a nice day!

if f(x)= 3x + 4, then what is f(-2)

Answers

Answer:

f ( - 2 ) = - 2

Step-by-step explanation:

Step 1:

f ( x ) = 3x + 4        Equation

Step 2:

f ( - 2 ) = 3 ( - 2 ) + 4     Input x value

Step 3:

f ( - 2 ) = - 6 + 4       Combine Like Terms

Answer:

f ( - 2 ) = - 2          Combine Like Terms

Hope This Helps :)

What is the value of x?

Answers

Answer:

5

Step-by-step explanation:

6x+12 = 9x-3

3x = 15

x= 5

At Nick's school, 25% of the 72 sixth-grade students wear either glasses or contact lenses. How many sixth-grade students wear either glasses or contact lenses?​

Answers

Answer:

18 kids

Step-by-step explanation:

72 x .25

18 is 25% or 72

Solve for m
b= 1/2mv

Answers

Answer: m = 2b/v

Step-by-step explanation:

NEED HELP SOLVING PLEASE

Answers

Answer:
y = 114
x = 54

Explanation:
Angle y is some kinda angle so it’s like same as 114
114 is vertical so
114 + 12 = 126
180 - 126 = 54

Help please! This has to do with the Pythagorean theorem.

Answers

so the pythagorean theorem is:

a^2+b^2=c^2

where a and b are the sides, and c is the hypotenuse.

to fill this in, we will get:

x^2+8^2=14^2

now we will need to solve.

x^2+8^2=14^2
x^2+64=196
x^2=132
x=11.5

Answer: It's 11.5

Explanation ( took so long)

[tex]C = \sqrt{a^{2} + b^{2} }\\14 = \sqrt{8^{2} + b^{2} }\\14 = \sqrt{64 + b^{2} }\\14^{2} = 64 + b^{2} \\196 = 64 + b^{2} \\64 +b^{2} = 196\\b^{2} = 196 - 64\\b^{2} =132\\b = \sqrt{132} \\b = 11.48[/tex]

plz help it's due till 12.06​

Answers

Answer:

4

Step-by-step explanation:

the different planes are either negitive or positive. since one goes to positive and negative, for example, 5 is greater that -9.

Last one is going to be your answer

Answer both questions pls for more points :)

Answers

Answer...

1st is A

2nd is C

Pls help answer correctly for brainliest pls and 50 points

If x = 4 then 2x + 6 =

If b = 12 then 2(3b + 1) =

If x = 5 then x^2 + 4 =

If x = 2 then 9x + 13 =

If x = 5 then 4x - 1 =

If x = 3 then 4x - 3 =

If s = 6 then 9 + 3s =

If x = 4 then 3x - 4 =

If n = 8 then 3(n + 1) =

If n = 6 then 5(n - 5) + 16 =

Answers

Answer:

Just substitute

Answers in order of questions

147429311992782721

Hope this helped. Please mark as brainliest!

Answer:

lol whyd you delete my answer

Step-by-step explanation:

what is the sum of the interior angles of a 28-gon?
s = (n-2) 180

Answers

Answer:

1,00090

Step-by-step explanation:

2х + y = 4
у = 3х – 1

Answers

its 2 because 2plus is 2

Convert 5 hours to seconds

Answers

Answer:

18000

Step-by-step explanation:

18,00 seconds would be the answer

An hour is a unit of time equal to 60 minutes, or 3,600 seconds. A second is the base unit of time.

HELP PLEASE!! Two lines are drawn in the same plane.
Under what condition are the lines
perpendicular?
A two lines that never intersect
B. two lines that intersect and form right angles
C. two lines that intersect and form acute angles
D. two lines that intersect at more than one point

Answers

Answer:it is c or b

Step-by-step explanation:

The condition for the lines to be perpendicular will be two lines that intersect and form right angles. Then the correct option is B.

What is a linear equation?

A relationship between two or more parameters that, when shown on a graph, produces a linear model. The degree of the variable will be one.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

Two lines are drawn in the same plane.

If the two lines intersect then the angle between the line is 90 degrees.

The condition for the lines to be perpendicular will be two lines that intersect and form right angles.

Then the correct option is B.

The graph is given below.

More about the linear equation link is given below.

https://brainly.com/question/11897796

#SPJ5

A company took a survey about its new product.Of the 5,000 people surveyed, 36% liked the new product.How many people liked the new product?

Answers

whats the answer

Step-by-step explanation:

6th grade math look at the pictures

Answers

Answer:

use a calculator.

Step-by-step explanation:

Answer:

2. 17.624

3. 9.72

4. 14.3

5. 2.11

8. 5,105.16

10. 124.7

Step-by-step explanation:

Need help Pronto! Will give braintliest.

Answers

Answer:

b

Step-by-step explanation:

i’m pretty sure it’s B, but i’m not 100% sure, sorry if it’s wrong :(

explain how to find 45% of a number


A-multiply the number by 0.45.
B-Divide the number by 4.5.
C-Divide the number by 45.
D-multiply the number by 4.5.​

Answers

the question is c your welcome
I think it’s either a or c

Amanda opened a lemonade stand on her street. It costs her $10.75 to buy the supplies each day, and she sells lemonade for $1.50 a cup. If she wants to make at least $50.00 in profits (sales - expenses) each day, what is the minimum number of cups of lemonade Amanda needs to sell? Input your answer as a whole number.

Answers

Answer:

41

Step-by-step explanation:

i rounded the 40.5 to 41.

3 pounds of bannas cost $1.5 What is the costant of this proportionly that relates the cost in dollars y,to the number of pounds of bannas X

Answers

Answer:

.50 cents per pound

Step-by-step explanation:

Can someone thats extremely good at math click on my name and go to my math questions and help me with them. Im failing math and need to bring my grade up. Please No Plagiarism. Will Mark Brainliest. Please dont answer if you dont know. Thank you. Need two responses. ​

Answers

Answer:

I'll be glad to assist you.

Step-by-step explanation:

x divided by 39 = 1204 R38

Answers

Answer:

x=46994

Step-by-step explanation:

Just do 1204 38/39 * 39 to get x=46994

x=46994
hope this helps ! :)

What quadrant is the point (-3, -3) in

Answers

Answer:

3

Step-by-step explanation:

Answer:

3

Step-by-step explanation:

brainliest pls

I WILL GIVE BRAINLIEST TO WHOMEVER ANSWERS FIRST

Answers

This is VERY VERY simple! Find the rule. Multiply the individual cost by x. You should be able to find the answer from there... for the last row, multiply your individual cost by 13.

The radius of the sphere is 9 inches. Which equation can be used to find the surface area of the sphere?

Answers

Answer:

Option (2)

Step-by-step explanation:

Formula to get the surface area of a sphere is,

Surface area = 4πr²

Here 'r' = Radius of the sphere

We have to calculate the surface area of a sphere with radius r = 9 inches.

By substituting the value of r in the formula,

S = 4π(9)²

Therefore, Option (2) will be the correct option.

Answer:

B.    S = 4 pi r squared = 4 pi (9) squared

HELP ASAP! I WILL GIVE 20 POINTS AND MARK AS BRAINLIEST!

Answers

Answer:

p=3m

Step-by-step explanation:

An item is regularly priced at $80, Ryan bought it at a discount of 5% off the regular price. How much did Ryan pay?

Answers

Answer:

16

Step-by-step explanation:

divide by 5

Answer:

$76

Step-by-step explanation:

5% of $80 is $4

$80-$4= $76

3x – 5 =-10
6. To solve the equation in the box for the
value of x, Michele started by adding 5 to both
sides. To get the correct answer, what must
Michele do next?
A divide both sides by 10
B. divide both sides by 3
C. multiply both sides by 10
D. multiply both sides by 3

Answers

After adding 5 to both sides what did Michele get? Let's see

[tex]3x-5 + 5 = -10 + 5\\3x= -5[/tex]

If she wants to find the value of [tex]x[/tex] then she needs to have only the variable [tex]x[/tex] on the left hand side. What she must do so that [tex]3x[/tex] becomes just [tex]x[/tex]?  What do you have to do to the number 3 so it becomes a 1? That's right, she must divide by 3!

So, after dividing both sides by 3:

[tex]\frac{3x}{3} = \frac{-10}{3} \\\\\boxed{x=\frac{-10}{3}}[/tex]

Thus, the correct answer is letter B

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