how many solutions are there for
x-2y=6
3x-6y=18

Answers

Answer 1

Answer:

This is for solving x is x=6+2y and solving for y is y=-6-x/2

they both are the same

Step-by-step explanation:


Related Questions

Pls help it due ASAP
Please show workings

Answers

I think 11 miles but I’m not 100% hope I helped ;)

Basically, the teacher wants a math equation story but I can't think of one.

Answers

Answer:

For one hour Luke biked uphill 3 miles. After biking 3 miles uphill for one hour Luke stopped  at the store for 2 hours.

Step-by-step explanation:

Ms. Webb bought 3 sparkly markers that are $1.20 each and 4 glitter glue sticks that are $1.05 each. These were on sale for 25% off. What is the discount amount?

Answers

Answer:

5.85 is the total after the discount. The amount taken off is 1.95.

Step-by-step explanation:

HELPP!!!!

Solving for the Missing Variable
Ex. 1 Determine the range of possible values of x,

Answers

9514 1404 393

Answer:

  21 ≤ x < 48.3343

  19.4030 < t ≤ 62 1/3

Step-by-step explanation:

This sort of geometry has shown up in a number of different problems. Perhaps the most difficult was one in which the angles were given a specific linear relationship. Here, one of the angles is fixed, making the problem somewhat simpler.

The most straightforward approach is to simply say the unknown angle must lie between 0° and 180°. It turns out that is not the possible range of values. Rather there is a limit on the unknown angle. It will have an extreme value when both triangles are isosceles. The lengths of the equal sides in that case can be determined using the triangle with both angle and base length specified.

__

a) For the triangle to be isosceles (MA = MH = MY), the side lengths must satisfy ...

  AM·sin(62°/2) = 7.1/2

  AM = 3.55/sin(31°) ≈ 6.89269

At that point, angle HMY will satisfy ...

  AM = (6.33/2)/sin((2x -42)°/2)

  3.55/sin(31°) = 3.165/sin(x-21°)

  (x -21)° = arcsin(3.165/3.55·sin(31°)) ≈ 27.3343°

  x = 48.3343

Because angle HMY can be smaller than this value, its minimum is 0:

  2x -42 = 0

  x -21 = 0

  x = 21

That is, x can range between 21 and 48.3343.

__

b) Using similar logic on the other triangles, we find the unknown angle has an extreme value when the triangles are isosceles: CA = CB = CD = CD. As above, this will occur when ...

  (3t -7)° = 2·arcsin(17/16·sin(24°)) ≈ 51.2091°

  t = 19.4030

In this geometry, because AB > DE, the angle can only get larger than 51.2091°. Its upper limit is 180°, meaning that ...

  3t -7 ≤ 180

  3t ≤ 187

  t ≤ 62 1/3

In this geometry, the value of t can range between 19.4030 and 62 1/3.

_____

Additional comment

As we said at the beginning, your computer may be expecting you to come up with an answer that makes the unknown angle lie between 0 and 180°. For that range of angles, you have ...

  0 ≤ 2x-42 ≤ 180  ⇒  0 ≤ x -21 ≤ 90  ⇒  21 ≤ x ≤ 111

  0 ≤ 3t -7 ≤ 180  ⇒  0 ≤ t -7/3 ≤ 60  ⇒  7/3 ≤ t ≤ 187/3

I NEEEEEEEEEEEEEEEEEEEEEEEEEEEED HEEEEEEEEEEEEEEEELLLLLLLPPPPPPP​

Answers

Answer:

(3,-5)

Step-by-step explanation:

its the last answer

Answer:

(3,-5)

Step-by-step explanation:

Hi there!

Since the dot is in the fourth quadrant, our x value will have to be positive. If the value was negative, it would be in the third quadrant.

If you think about the dot’s relation to the y axis, it is below the point of origin, or y = 0, so the y-value will have to be negative.

The only answer that fits this criteria is (3,-5)

I hope this helps!

Bronwyn walks one lap of an oval at 2.5 km/h and then jogs another eight laps of the
oval at 5 km/h. If it takes her 30 minutes in total, how long in metres is each lap?

Answers

This is the answer to your question

Easy Area problem

Need it fast

Answers

Answer:

just subtract the area of the rectangle from the area of the carpet

fine I'll do it

Area of a rectangle= lb

Area of a square= a^2

Area of the remaining area= lb - a^2

= (12*4) - (2*2)

= 48-4

= 44 ft^2

Three friends went to the batting cage. Cameron made 36 hits, Austin made 14 hits, and Jordan made 24 hits. How many hits did the three make in all?
A.
60
B.
50
C.
38
D.
74

Answers

Answer:

36+14+24=74

Step-by-step explanation:

How i figured it out is if you add 36+14 that equals 50 and 50+24=74

that is your answer.

hope this helps;)

What is the approximate area of the circle shown below?

Answers

Answer:

c

Step-by-step explanation:

The answer is: 1661.9 which is C 1662 because your rounding up

a photocopier can make 20 copies per minute. which equation can be used to find m, the number of minutes the copier takes to make 75 copies

a. 20m = 75
b. 75m = 20
c. m/20 = 75
d. 20/m = 75

Answers

Answer:

It's Option'A' i.e 20m=75

Step-by-step explanation:

or,m=75/20

or,m=3.75

1/9x=5
solve for x
please show step by step

Answers

Answer:

x=1/45

Step-by-step explanation:

do the inverse

please mark it as brainliest!!<3

Henry's family members choose numbers to assign
chores. The person who draws the highest number is the
first to select a chore. The numbers 1 through 10 are
written on pieces of paper. All numbers are equally likely to
be chosen.
What is the probability that the first person will choose a number greater than
6?

A10
6

B4
10

C6
10

D10
4

Answers

The answer is 4/10 or the simplified answer is 2/5

What is 47 rounded up by a factor of 10

Answers

Answer:

50...?

Step-by-step explanation:

Please help!!! I need help solving just this one question and then I’ll be finished with this homework!!!

Answers

I am not sure but I believe it is X

i need help please someone help?

Answers

Answer:[tex]\boxed{\boxed{\sf171~square~feet}}[/tex]Solution Steps:

______________________________

1.) Fill in the formula with the information given:Formula = [tex]\sf{L}[/tex] × [tex]\sf{W}[/tex]Filled in Formula = [tex]19[/tex] × [tex]9[/tex]2.) Multiply:[tex]19[/tex] × [tex]9=171[/tex]

So your answer is [tex]\bold{171^2}[/tex].

______________________________

Can someone plz help me. There is an equation and the cost too.

Answers

Answer:

C = 40p

Cost for 15 people: 600 dollars

Step-by-step explanation:

The amusement park charges $40 per person.

That can be represented as 40 × P or 40P.

C is equal to the cost of admission for P people.

So, C = 40P

C = 40P

C = 40(15)

C = 600

The cost of admission for 15 people is 600 dollars.

Hope that helps.


Write the equation of the line pleaseeee

Answers

Answer:

y = 2/3x -1

Step-by-step explanation:

y intersect is -1 as that's where the line passes the y axis

the slope can be found by finding two points and using the slope formula (y-y)/(x-x)

In triangle MNP, side m is 54.5 inches, side n is 51.4 inches, and side p is 60 inches long. What is the measure of P?

Answers

Answer:

P = 68.95

Step-by-step explanation:

Here, we want to get the measure of angle P

Please check the attachment for the diagram of the triangle

To get P, we use the cosine rule

p^2 = m^2 + n^2 - 2mn Cos P

60^2 = 51.4^2 + 54.5^2 -2(51.4)(54.5) Cos P

2012.21 = 5602.6 Cos P

cos P = 2012.21/5602.6

cos P = 0.3592

P = arc cos 0.3592

P = 68.95

PLS HELP ME! Joye has a circular garden with a diameter of 24 feet. If she uses 2 cups of fertilizer for every 10 square feet, how much fertilizer will Joye use for her garden? Use 3.14 for pi

Answers

Answer:

90.5 cups

Step-by-step explanation:

Step one:

Given data

diameter= 24ft

radius= 12 ft

area= πr^2

Area= 3.142*12^2

Area= 3.142*144

Area= 452.448 ft^2

Hence if  

2 cups of fertilizer for every 10 square feet

x cups will do for  452.448 ft^2

cross multiply we have

x=  452.448 *2/10

x=904.896/10

x=90.5 cups

Simplify the expression. (Picture attached)

Answers

I got the answer 2y.

ABCD is an isosceles trapezoid. m < A = 6x + 12 and m < D = 2x + 20. angles B&C are congruent.
what is the measure of angles B&C?

Answers

Answer:

156°

Step-by-step explanation:

Which is a graph of the solution of the inequality -5m+10>70

Answers

Answer:

solving form; m< -12  

Step-by-step explanation:

On a linear graph there would be an open circle on the number -12 and the line would be pointing left

Jennifer's bill for lunch was $15.00
If Jennifer left a 20% tip, which proportion would BEST represent how to find how much tip she should leave?

Answers

Answer:

the answer is $3

Step-by-step explanation:

I just looked it up lol

ITS $3

SOLOUTION: I LOOKED IT UP AHSHSHDHJDJCI

Times it by 6 and take away 10 and the result is 44

Answers

Answer:

(for your second question) 23.69

Step-by-step explanation:

A car rental company’s standard charge includes an initial fee plus an additional fee for each mile driven. the standard charge S (in dollars) is given by the function S = 0.40M +18.95, where M is the number of miles driven.
The company also offers an option to ensure the car against damage. The insurance charge I (in dollars) is given by the function I= 0.15 M + 5.70
Let C be the total charge (in dollars) for a rental that includes insurance. Write an equation relating C to M. Simplify your answer as much as possible.
C=
What does ac equal?? ^^

Answers

Answer:

C=0.55M+24.65

Step-by-step explanation:

0.40M+0.15M=0.55M

18.95+5.70=24.65

Which of the following is closest to the solution to the problem below
(20 3/7) (14)

Answers

Answer:

i need more details then this its not really explaining anything

Step-by-step explanation:

The graph of a linear function is shown on the coordinate grid. (TEKS 8.4C-R) What is the y-intercept of the graph of the linear function?

Answers

3

The y axis intercepts the linear function at positive 3

BASIC LEVEL
1. On a sheet of paper, enlarge the following figures
with centre of enlargement E and scale factors each
indicated in brackets.
Plz help

Answers

Answer:

hjskkdoododkdkdndndndndndndndnsn sorry I needed points to ask a question

GIVING BRAINLIEST PLEASE HELP

Answers

Answer:

The answer is B

Step-by-step explanation:

Answer:

ans is B sorry if it's direct

You get a loan for $2500 with a simple interst of 16% for 3 years. How much to you have to pay back?

Answers

Answer:

$3,700

Step-by-step explanation:

16% of 2500=400

400×3(years)=1,200

2500+1200=3700

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