Find the solution to the system. Write your solution as an ordered pair (x,y) with no spaces, no solution, or infinitely many. x=2y-7 and 4x+y=71 *

Answers

Answer 1

Answer:

The solution is (15, 11)  There is only one solution.

Step-by-step explanation:

Solve this system using substritution.  In the second equation replace x with 2y - 7, obtaining:

4(2y - 7) + y = 71, which simplifies as follows:

8y - 28 + y = 71, or

9y = 99.  then y must be 11.  If y is 11, then x = 2y - 7, or x = 2(11) - 7 = 15

The solution is (15, 11)  There is only one solution.


Related Questions

What is the slope-intercept equation for this
standard form equation?

6x - 3y = 12

Answers

Step-by-step explanation:

solve for y

subtract 6x from both sides

6x-6x-3y=12-6x

-3y=12-6x

divide both sides by -3

-3/-3y=(12-6x)/-3

y=2x-4

y=mx+b

m=slope

b=y-intercept

2=slope

-4=y-intercept

Hope that helps :)

Right answers will get brainliest!

Answers

Answer:

42 = C (y ≤ 2)

43 = G (-x + 4x - 2)

44 = B (Its axis of symmetry is x = 14)

45 = H (x = 2)

Find x and y with ray theorem

Answers

Answer:

x = 12 and y = 9

Step-by-step explanation:

Using the similarity theorem to fid the value of x and y

16/x = 16+6/16.5

16/x = 22/16.5

22x = 16*16.5

22x = 264

x = 264/22

x =12

Similarly

24/x = 24+y/16.5

24/12 = 24+y/16.5

2 = 24+y/16.5

24+y = 2 * 16.5

24+y = 33

y = 33-24

y = 9

Hence x = 12 and y = 9

Please help me solve this :((

Answers

Answer:

Step-by-step explanation:

hello :

cosθ = 72.90/125.00

cosθ = 0.58

θ= cos-1(0.58)

θ = 54.55°

plsss help i’ll give brainliest if you give a correct answer

Answers

Answer:

(-2) and 3 and (-4)

Step-by-step explanation:

Answer:

1, 3, and 4

OR

A, C, and D

Step-by-step explanation:

The inequality is f is LESS THAN 4.

-2 is less than 4

7 is GREATER than 4 so this is incorrect

3 is less than 4

-4 is less than 4

Which expression is equivalent to the expression -3(4x - 2) - 2x?
Answers:
-8x
-16x
-14x - 2
-14x + 6

Answers

Answer:

-14x+6

Step-by-step explanation:

we distribute -3 in to get:

-12x+6-2x

Combine like terms

-14x+6

18 is 14 percent of what?

Answers

Answer:

18 is 14% of 128.5714

Step-by-step explanation:

it's 77.78

Step-by-step explanation:

14: 18*100 =

(14*100): 18 =

1400: 18 = 77.78

Now we have: 14 is what percent of 18 = 77.78

Question: 14 is what percent of 18?

Percentage solution with steps:

Step 1: We make the assumption that 18 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$x.

Step 3: From step 1, it follows that $100\%=18$100%=18.

Step 4: In the same vein, $x\%=14$x%=14.

Step 5: This gives us a pair of simple equations:

$100\%=18(1)$100%=18(1).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

$\frac{100\%}{x\%}=\frac{18}{14}$100%x%=1814

Step 7: Taking the inverse (or reciprocal) of both sides yields

$\frac{x\%}{100\%}=\frac{14}{18}$x%100%=1418

$\Rightarrow x=77.78\%$⇒x=77.78%

Therefore, $14$14 is $77.78\%$77.78% of $18$18.

How much larger is the circumference of circle A than the circumference of circle B?

Give your answer to one decimal place.
diameter of circle A is 13 and B is 8

Answers

Answer:

Circumference of Circle A is about 16 units larger than the Circumference of Circle B

Step-by-step explanation:

Formula for Circumference of a circle = πd

Where, d = diameter of circle

Thus:

Circle A diameter = 13

Circle B diameter = 8

Therefore:

Circumference of Circle A = π*13 = 40.8407045 ≈ 41 unit (nearest whole number)

Circumference of Circle B = π*8 = 25.1327412 ≈ 25 unit (nearest whole number)

✔️Difference between circumference of Circle A and Circle B = 41 - 25 = 16

Therefore the Circumference of Circle A is about 16 units larger than the Circumference of Circle B

HELP PLEASEE I STRUGGLING

Sam is needing to make copies of a flyer for his new business. Store W charges $5 for unlimited copies and store Z charges $0.20 per copy and $2 for using the machine.

How many copies makes both stores cost the same amounts?

Answers

Answer:

Eh cafe donete mal reo jama kolotake? 24 eh moi -09....? kelare mei osaje.

car`e 3,000 = 2458.0? maro et

Step-by-step explanation:

standard deviation of the data. 221,228,218,319,224​

Answers

Answer:

Population: 38.64. Sample: 43.20

Nina mixes 200 mL of cranberry juice, 300 mL of grapefruit juice,and 700 mL of spring water to make fruit punch. What is the ratio of cranberry juice to grapefruit juice to spring water

Answers

200 : 300 : 700 I think?

Data that's displayed randomly on a scatter plot graph illustrates

positive correlation.

negative correlation.

none of these.

no correlation.

Answers

ANSWER

NO CORRELATION

what kpop dances do you recommend to help you , lose weight?
My sister was asking but i didnt know how to answer her..

Answers

Answer:Wonder Girls-Like This. Perfect workout, especially for your inner thighs! ...

Sistar-Loving You. Another great leg workout. ...

Sistar-Touch My Body. Very fun and lighthearted. ...

Sistar19-Ma Boy. Same. ...

Secret-Madonna. I love this dance, it's a classic on my workout routine. ...

Secret-Love Is Move. ...

Hyuna-Bubble Pop. ...

Step-by-step explanation:

What is the domain of the function?

Answers

Answer: -6 ≤ x < 4

Step-by-step explanation:

Open circles on a graph mean that that point is not included

Filled in circles on a graph mean that that point is included

As a result, the end point (-6, -6) is included while (4, 8) is not

The domain is all possible x-values so the graph can be anywhere from:

-6 ≤ x < 4

Note that there are no possible values for the x-value of 4

Pls help me somebody plzzz

Answers

Answer:

the answer is

X + 40 + 155 =180

Have a cute puppy!! It’s my puppy

What is the measure of angle RTV?

Answers

Answer:

25 degrees

Step-by-step explanation:

70 degrees times 2 to get 140 for the outside arc on the left, then add 140 plus 90 plus 80 to get 310, then do 360-310 to get 50, then divide that by 2 to get angle RTV which is 25 degrees.

f(x)=x^2-4 need help​

Answers

NHDHDHDHDUDIDIDIDIDIFUFUTURURURURURURURURURURURURURUTURURYRYRYRYRYDYRYRYYRYRURYFRF

I need help or I will fail

Answers

4 is the correct anwser

Write a fraction on the blank to make the comparison true .Use the fractions form the box .Explain how you choose your number 3/5>3-4

Answers

Answer:

Explained

Step-by-step explanation:

So I'm not sure if you mean by 3/4 or 3-4. But I'm going to assume that its 3-4 because 3/4 is greater than 3/5

3/5 is equal to 0.6 -> you can also find 0.6 by multiplying 3/5 * 2 on both sides which will be 6/10 which is 0.6

and 3-4 is - 1 (which is negative)

since 3/5 is positive and 3-4 is negative. You would know that this is true.

Factor completely 49x2 − 9.

(7x + 3)(7x − 3)
(7x + 3)(x − 3)
(7x − 3)(7x − 3)
(7x − 3)(x − 3)

Answers

Answer:

number 1

Step-by-step explanation:

faster way to it to try to multiple the first to the 2nd one .

(7x+3)(7x-3)

( 7x .7x - 7x.3 ) + ( 3 .7x - 3.3)

49x^2 -21x + 21x - 9

it take you back to the original equation

Answer:

A is correct

Step-by-step explanation:

ILL MARK U BRAINLIEST

Answers

i think its 107

Step-by-step explanation:

you multiply 11x7 then 6x5 then you add the answers from those

answer:

113 ft2

explanation:

7 • 5 = 35
11 - 5 = 6
7 + 6 = 13
13 • 6 = 78
35 + 78 = 113

R varies inversely with x. If R= -2 when x = 6, what is the value of R when x = -3?
Ο Α. -1
0 B 4
O C.-4
OD. 1

Answers

Answer:

R=x = R= −2 =x =6 =R =x =− 3=

Step-by-step explanation:

8-1 and 1/2 show your work

Answers

Answer:

The answer is 6.5

Step-by-step explanation:

Tim plays a computer game each game is a win or a loss he wins three fifths of his first 40 games he then wins his next 12 games for all 52 games work out the ratio wins:losses

Answers

36 wins and 16 losses, so the ratio would be 36/16 (or 9/4 simplified), hope this helps :)

Jim is building a model airplane. The
scale is 1 in:40 ft. The actual wingspan
of the plane is 211 feet. How long wil
wings of the model be?



Tell me how to show my work quick thooooo

Answers

Answer:

71/2 inches

Step-by-step explanation:

Answer is 71/2 inches because 40×7 equal 21

3x2 equals..WHAT DOES IT EQUAL

Answers

Answer:

6

Step-by-step explanation:

OOO OOO = 6

if f(x) = x+5 then fill the table
x| 1 | | 2 | |
y| | 3 | |5 |​

Answers

Answer:

6,-2,7,0

Step-by-step explanation:

Use the equation and plug in values

f(1)=1+5

y=6

--

3=x+5

x=-2

--

f(2)=2+5

y=7

--

5=x+5

x=0

PLZ use the information given to write the equation of the circle.
Center: (0,-16), Radius: √15


A: x2+(y+16)2 = 15−−√

B: (x+16)2+y2=15

C: x2+(y+16)2= 15

D: x2+(y−16)2 = 15

Answers

Answer:

x^2+(y+16)^2=15

Step-by-step explanation:

(x-0)^2+{y-(-16)}^e=(√15)^2

→x^2+(y+16)^2=15

Answer:

C. x² + (y + 16)² = 15

Step-by-step explanation:

Equation of circle:

(x - h) + (y - k) = r², where (h, k) is the center and r is the radius

We have:

h = 0, k = -16, r = √15

Substitute the given into the equation above and get the equation of the given circle:

(x - 0)² + (y - (16))² = (√15)² ⇒x² + (y + 16)² = 15

Correct choice is C

What is the volume of a cylinder, in cubic m, with a height of 6m and a base diameter
of 18m? Round to the nearest tenths place.

Answers

Answer:V= 1526.8m3

Step-by-step explanation: pi (9)2(6)

A cylinder is a three-dimensional structure formed by two parallel circular bases. The volume of a cylinder, in cubic m, with a height of 6m and a base diameter of 18m is 1526.814.

What is a cylinder?

A cylinder is a three-dimensional structure formed by two parallel circular bases connected by a curving surface. The circular bases' centres overlap each other to form a right cylinder.

Given the height of the cylinder is 6m, while the base diameter is 18m. Therefore, the volume of the cylinder can be written as,

Volume of cylinder = (π/4)×d²×h = (π/4)×18²×6 = 1526.814m³

Hence, the volume of a cylinder, in cubic m, with a height of 6m and a base diameter of 18m is 1526.814.

Learn more about Cylinder:

https://brainly.com/question/12248187

#SPJ2

Help me, please I beg you

Answers

ALthough I'm not 100% sure, I think it may be either because the points don't continue and stop short, or the lack of connection between the choices. I hope this helps in some way

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