What is the solution to this system of linear equations?

x + y = 4

x − y = 6

Answers

Answer 1

Answer:

x=5 , y= -1

Step-by-step explanation:

You can see that one of the y's is negative while the other is positive, so you can add them together.

Now, negative 1 + positive 1 = 0, so the y's cancel out leaving only the x's.

Remember you can't add one part without adding the other so x+x = 2x, and 4+6=10. This makes the final equation 2x=10.

You can simplify that into x=5. This gives you the answer for x

Then substitute x=5 into any of the two equations (doesn't matter) I'll use the first one. So if you substitute it you get 5+y=4.

Simplified, y= -1

Therefore, x= 5 and y=-1

Answer 2

Answer:

(5,-1)

Step-by-step explanation:

Got it right on edge cause of the guy above me


Related Questions

.
Find the measure of ∠3.




45°


90°


135°

Answers

The answer you are looking for is 45

WILL MARK BRAINLIEST!! PLEASE HELP ASAP.
1. If a scooter travels 36 miles on just 3 gallons of gas, how far will it travel on 16 gallons of gas?
2. A babysitter earns $28.50 for 2 hours of work. If she gets paid $99.75, then how many hours did she work?
3. A moose travels 4.5 kilometers in 5 hours. How far will it travel in 60 hours?
4. If 3 cm. of silver chain costs $9.60, then how much chain will $22.40 buy?
5. If a train ticket costs $145.50 to travel 50 miles, how far will $552.90 allow you to travel?
6. If $239.85 buys 369 liters of oil, then how much oil will $1.95 buy?
7. If you travel 220 miles in 66 hours, how far will you travel in just 3 hours?
8. If a gallon of aviation fuel costs $17.50, then how much will 8.2 gallons cost?
9. A snail crawls 7 cm in 2 minutes. At this rate, how far will it travel in 13 minutes?
10. If 17 kg of fertilizer covers 4 acres, how many kg will be needed to cover 244 acres?
11. How much will 4.4 gallons cost if 1 gallon costs $2.85?
12. Lunchmeat costs $2.50 for 5 oz. How much lunch meat will $32.50 buy?
(PLEASE EXPLAIN HOW YOU GOT THE ANSWER PLSS)

Answers

Answer:

you bad

Step-by-step explanation:

ferfrfvrgb rg bg bb

Hi I need help with this question

Answers

This is the answer to the problem. You basically substitute the -6 in for the f(x)
what they said ^^^ :)

Show your work and write an expression using the following criteria:

Divide 4,200 by a multiple of 10
The quotient is also a multiple of 10

Answers

Answer:

420

Step-by-step explanation:

edge

What is the value of p? Please provide an explanation, thanks!

Answers

Answer:

p = 2?

Step-by-step explanation:

6 - 4 = 2

4 + _ = 6 (2)

2 + 2 = 4

Answer:

Step-by-step explanation:

6p - 4 + 4p + 6 + p + 2 = 180

11p + 4 = 180

11p = 176

p = 16

What is 3 divided by 5/6

Answers

Answer:

3.6

Step-by-step explanation:

3÷5/6=3×6/5=18/5=3.6

Answer:

3.6

Step-by-step explanation:

or infraction form 3 3/5

the endpoint of ab are a(-7, -6) and b(5,6) what are the coordinates of point c on ab that is 1/3 the distance from point a to point b

Answers

Answer:

The coordinates of c are (-3,-2)

Step-by-step explanation:

We have the coordinates of a=(-7,-6) and b=(5,6). We need to find the coordinates of a point c=(x,y) such that:

[tex]d_{ac}=1/3 d_{ab}[/tex]

The coordinates x and y have the same relation as the distance:

[tex]x_{ac}=1/3x_{ab}[/tex]

Or, equivalently:

[tex]x_a-x=\frac{1}{3}(x_a-x_b)[/tex]

Multiplying by 3:

[tex]3x_a-3x=x_a-x_b[/tex]

Operating:

[tex]3x_a-x_a+x_b=3x[/tex]

[tex]2x_a+x_b=3x[/tex]

Dividing by 3:

[tex]x=\frac{2x_a+x_b}{3}[/tex]

Similarly:

[tex]y=\frac{2y_a+y_b}{3}[/tex]

Substituting:

[tex]x=\frac{2*(-7)+5}{3}=-3[/tex]

[tex]y=\frac{2*(-6)+6}{3}=-2[/tex]

The coordinates of c are (-3,-2)

please help me out with this​

Answers

Answer:

d. The Pup Palace Kennel is never cheaper than Ngyuen's Kennel

Step-by-step explanation:

will give brainlist

Answers

Answer:

y=24  x=33

Step-by-step explanation:

Example: ⇒

y

=

k

x

to find k use the given condition

y

=

24

when

x

=

8

y

=

k

x

k

=

y

x

=

24

8

=

3

equation is

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

2

2

y

=

3

x

2

2

−−−−−−−−−−−−−−

when

x

=

10

then

y

=

3

×

10

=

30

A car travels at a constant speed, as shown on the double number line. Double number line. Time, hours. Distance, kilometers. How far does the car travel in 14 hours? Explain or show your reasoning.

Answers

Answer:

980 km.

Step-by-step explanation:

The speed of the car is constant,

From the double number line:

When the time is 0 hour, the distance covered is 0 km.

When the time is 1 hour, the distance covered is 70 km.

When the time is 2 hours, the distance covered is 140 km,

which can be written as

when the time is 2 hours, the distance covered is 70 x 2 km.

Similarly,

When the time is 3 hours, the distance covered is 210= 70 x 3 km.

This can be generalized as,

When the time is n hours, the distance covered is  70 x n km, i.e

The distance traveled in n hours = 70 x n km.

So, for 14 hours, n= 14,

Hence, the distance traveled in 14 hours = 70 x 14= 980 km.

Please help me out!!!!!

Answers

im a little rusty on this but i believe it is y =-(x+3)-5

One cylinder has a volume that is 8 Centimeters cubed less than StartFraction 7 over 8 EndFraction of the volume of a second cylinder. If the first cylinder’s volume is 216 Centimeters cubed, what is the correct equation and value of x, the volume of the second cylinder?
StartFraction 7 over 8 EndFraction x + 8 = 216; x = 182 centimeters cubed
StartFraction 7 over 8 EndFraction x minus 8 = 216; x = 196 centimeters cubed
StartFraction 7 over 8 EndFraction x + 8 = 216; x = 238 centimeters cubed
StartFraction 7 over 8 EndFraction x minus 8 = 216; x = 256 centimeters cubed

Answers

Answer:

D. StartFraction 7 over 8 EndFraction x minus 8 = 216; x = 256 centimeters cubed

Step-by-step explanation:

Equation for the volume and solution:

7/8x - 8 = 216 7/8x = 216 + 87/8x = 224x = 224*8/7x = 256 cm³

Correct option is D.

Answer:

D. StartFraction 7 over 8 EndFraction x minus 8 = 216; x = 256 centimeters cubed

which of these equations represents a line parallel to the graph of the equatioN
y=-1/3x-5​

Answers

Answer:

[tex]y=-\frac{1}{3}x\pm c[/tex]

Step-by-step explanation:

The equation of two parallel lines is such that they have the same slope, when in written in slope intercept form.

Consider one straight line: [tex]y_{1}=mx_{1}+c_{1}[/tex].

Then the line parallel to the above line will be:[tex]y_{2}=mx_{2}+c_{2}[/tex]

The equation of a straight line provided is:

[tex]y=-\frac{1}{3}x-5[/tex]

Then the line parallel to this line will be of the form:

[tex]y=-\frac{1}{3}x\pm c[/tex]

PLS HELP WITH THE QUESTION IN THE PICTURE!!!

Answers

Answer:

D

Step-by-step explanation:

Interesting question.  The wording is a bit awkward. I think you have to assume the base is a square and each succeeding base is also a square.

So the first thing to do is to add the bases together.

30*30 + 23*23 + 16*16 + 9*9

Don't add these -- not yet.

Now take the height into consideration

6 *(30*30 + 23*23 + 16*16 + 9*9)

The point is that you only have to multiply by 6 once.

6*(900 +  529 + 256 + 81)

6*(1766)

10596 cubic inches

The answer is D

which ratios below is equivalent 10 2:1 ? Select all that apply A- 6:4 B-8:4 C- 10:5 D- 6:12 E- 6-3

Answers

Answer:

B C E

Step-by-step explanation:

(:

Why do you always need to create an equation of a line

Answers

The equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept. If you know two points that a line passes through, this page will show you how to find the equation of the line.

The perimeter of a flower garden with three sides is 46 feet. One side of the garden is 11 feet long. Another side of the garden is 13 feet long. What is the length of the third side? Enter your answer in the box. feet

Answers

Answer:

22ft

Step-by-step explanation:

Step one:

given that the orientation of the garden is a triangular shape(it has three sides)

the perimeter is given as=46ft

one side y=11ft

the second side z= 13ft

let the third side be xft

Step two:

the expression for the perimeter = z+y+x

46=11+13+x

46=24+x

solve for x

x=46-24

x=22ft

Therefore the third side is 22ft long

A biologist begins working with a sample containing 20,000 bacteria. The population size doubles every 10 days according to the equation p(t)=20,000(2)^t/10, where t represents the number of days. After seven days the biologist begins working with a second sample of 20,000 bacteria. The equation used to represent the population of sample 2 after t days is p(t)=20,000(2)^t-7/10. Which of the following is an equivalent form of the equation for the population of sample 2?

Answers

Answer

p(t) = 20,000^10 root of 2^t/10 root of 2^7. i think

Step-by-step explanation:

The points (2.1, -4.2) and (2.5, -5) form
a proportional relationship. What is the slope of
the line that passes through these two points?

Answers

Answer:

m = -2

Step-by-step explanation:

hsavajgsbjxxhisbvzjxb

The slope of the line that passes through the points (2.1, -4.2) and (2.5, -5) that form a proportional relationship is: -2.

Recall:

The slope (m) of a line can be calculated using the formula:

[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

Given the points that a line passes through are:

(2.1, -4.2) and (2.5, -5)

To calculate the slope of the line that passes through both points, let,

[tex](2.1, -4.2) = (x_1, y_1)\\\\(2.5, -5) = (x_2, y_2)[/tex]

Plug in the values into the formula:

Slope (m) = [tex]\frac{-5 -(-4.2)}{2.5 - 2.1} = \frac{-0.8}{0.4} = -2[/tex]

Therefore, the slope of the line that passes through the points (2.1, -4.2) and (2.5, -5) that form a proportional relationship is: -2.

Learn more here:

https://brainly.com/question/18047340

The amount of money spent at the gas station varies directly with the number of
gallons purchased. When 12 gallons of gas were purchased, the cost was $39.36. How
much would 9 gallons of gas cost?

Answers

Answer:

$29.52

Step-by-step explanation:

39.36/12

=3.28

3.28*9

=29.52

PLS GIVE BRAINLIEST

39.69/12= 3.28

3.28*9=29.52

-6 - 5 + 3 =

(worth 10 points)

Answers

Answer:

-8

Step-by-step explanation:

Answer:

-8

Step-by-step explanation:

Mark me as brainliest

Square root -80 by using imaginary unit I

Answers

you already got the answer but if you ever need the answer instantly for any math question use mathaway its a really good app and will gove you the answer and step by step explanation

simple question just answer correctly to get brainleist and 10 pts! :)

Answers

Answer:

C is the answer.

A brainlyest would really help out!


....................................

Answers

Answer:

3i√5 is the awnser so it is c

Step-by-step explanation:

i am sure of it

If f(x) = 3x + 2, what is f(5)?
O A. 1
OB. 10
O C. 17
O D. 13

Answers

Answer:

Option C

Step-by-step explanation:

[tex]f(x)=3x+2\\\\f(5)=3(5)+2\\\\f(5)=15+2\\\\\boxed{f(5)=17}[/tex]

Hope this helps.

Given:

f(x) = 3x + 2

To Find:

f(5)

Answer:

C. 17

Step-by-step explanation:

Evaluate 3x + 2 where x = 5:

[tex] \longrightarrow [/tex] 3 × 5 + 2

3 × 5 = 15:

[tex] \longrightarrow [/tex] 15 + 2

15 + 2 = 17:

[tex] \longrightarrow [/tex] 17

true or false
4k (k+30) = 4k – 120k

Answers

Answer: False

Step-by-step explanation:

Answer:
false

X=0, -59

Lin runs 3 laps around a track in 6 minutes how many laps per minute it that

Answers

Answer:

half a lap per minute is the answer

Anybody taking the ACT this year??

Answers

Answer:

Nope not this year, hbu?

I already took it! If you need help on it Email me "kaylleissad" :D

Someone help ASAP
I don’t understand

Answers

Answer:

[tex]\sqrt{49}[/tex] and 1/4 are rational numbers

Step-by-step explanation:

others are not rational numbers because the decimals goes on forever.

Ex. [tex]\sqrt{7}[/tex]=2.64575.....

4/9=0.444444444...

pi goes on forever

5. Choose the equation of a line that is perpendicular to the given line and that passes through the given
point.


4x - 12y = 2; (10,-1)

A.) y=3x + 29
B.) y=--x+29
3
C.) y=-3x + 29
D.) y=--x+7

Answers

Answer:

Step-by-step explanation:oh

Answer: C) -3x + 29. Explanation: First, you want to start by putting the given equation in point-slope form. Point slope form: y = mx + b. The equation: y = 1/3x - 1/6. From this, you know that the slope is 1/3. You need to find a line perpendicular to the equation, so find the opposite-reciprocal slope. Flip the slope fraction and make it negative: -3/1. Plug the point into an equation with this slope to find the y-intercept. -1 = -3(10) + b ; 29 = b. Plug the y-intercept, as well as the slope, back into the equation to get your answer: y = -3x + 29.
Other Questions
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