Solve the system of equations and choose the correct ordered pair. 3y=4x+7 and 5y=4x+25​

Solve The System Of Equations And Choose The Correct Ordered Pair. 3y=4x+7 And 5y=4x+25

Answers

Answer 1

Answer:

(5,9)

Step-by-step explanation:

3y=4x+7

5y=4x+25​

Subtract the two equations to eliminate x

5y=4x+25

-( ​3y=4x+7)

------------------

2y = 0x +18

Divide by 2

2y/2 = 18/2

y =9

Now find x

3y = 4x+7

3*9 = 4x+7

27 = 4x+7

Subtract 7

20 = 4x

Divide 4

20/4 = 4x/4

5 =x

(5,9)

Answer 2

Step-by-step explanation:

3y=4x+7_equation 1

5y=4x+25_equation 2

multiply equation 1 by 5 an equation 2 by 3

15y=20x+35_equation 3

15y=12x+75_equation 4

subtract equations 4 from equation 3

0=8x-40

40=8x

divide both sides by 8

x=5

substitute x into equation 1

3y=4(5)+7

3y=20+7

3y=27

divide both sides by 3

y=9


Related Questions

F(x)=x 3−9xf, left parenthesis, x, right parenthesis, equals, x, cubed, minus, 9, x What is the average rate of change of f over the interval [2,6] open bracket, 12, comma, 6, close bracket?

Answers

Answer:

[tex]A(x) = 243[/tex]

Step-by-step explanation:

Given

[tex]f(x) = x^3 - 9x[/tex]

[tex]Interval: (12,6)[/tex]

Required

Determine the average rate of change

Average rate is calculated as thus;

[tex]A(x) = \frac{f(b) - f(a)}{b - a}[/tex]

In this case; b = 12 and a = 6

Calculating f(12)

[tex]f(12) = 12^3 - 9 * 12[/tex]

[tex]f(12) = 1728 - 108[/tex]

[tex]f(12) = 1620[/tex]

Calculating f(6)

[tex]f(6) = 6^3 - 9 * 6[/tex]

[tex]f(6) = 216 - 54[/tex]

[tex]f(6) = 162[/tex]

Substitute 12 for b and 6 for a in [tex]A(x) = \frac{f(b) - f(a)}{b - a}[/tex]

[tex]A(x) = \frac{f(12) - f(6)}{12 - 6}[/tex]

Substitute values for f(6) and f(12)

[tex]A(x) = \frac{1620 - 162}{12 - 6}[/tex]

[tex]A(x) = \frac{1458}{ 6}[/tex]

[tex]A(x) = 243[/tex]

determine the horizontal asymptote for the rational function.

Answers

Answer:

y = 1

Step-by-step explanation:

The horizontal asymptote is the line, horizontally, where the graph doesn't cross. In this case, the graph approaches y = 1, but never touches 1, so your answer is y = 1.

kamal has 6 cans of regular soda and 15 cans of diet soda. He wants to create some identical refreshment tables during the American football game. He also does not want to have any sodas left over. what is the greatest number of refreshment tables that Kamal can stock

Answers

Answer: 3

Step-by-step explanation:

This problem is looking for the Greatest Common Factor (GCF) of 6 and 15.

Draw a factor tree for each number and see what they have in common.

           Reg         Diet

               6              15

               ∧               ∧

            2   3           3  5

The GCF of 6 and 15 =  3

Each table will contain 2 cans of regular soda and 5 cans of diet soda.

ΔHFG is dilated by a scale factor of 2 with the center of dilation at point F. Then, it is reflected over line a to create ΔEFI. Based on these transformations, which statement is true? Line segments EG and HI intersect at point F, forming triangles EFI and HFG. Line a intersects with both triangles at point F. segment FG = one half segment FI, segment FH = one half segment FE, and segment HG = one half segment EI; ΔHFG ~ ΔEFI segment FG = segment FI, segment FH = segment FE, and segment HG = segment EI; ΔHFG ~ ΔEFI segment FG = one half segment FE, segment FH = one half segment FI, and segment HG = one halfsegment EI; ΔHFG ~ ΔIFE segment FG = segment FE, segment FH = segment FI and segment HG = segment EI; ΔHFG ~ ΔIFE

Answers

Answer:

segment FG = one half segment FI, segment FH = one half segment FE, and segment HG = one half segment EI; ΔHFG ~ ΔEFI  

Step-by-step explanation:

In the picture attached, the triangles are shown.

After the dilation and reflection, there is proportionality between segment FG and segment FI, segment FH and segment FE, and segment HG  and segment EI. More specifically:

FG = 1/2*FIFH = 1/2*FEHG = 1/2*EI

Answer:

segment FG = one half segment FI, segment FH = one half segment FE, and segment HG = one half segment EI; ΔHFG ~ ΔEFI  

Step-by-step explanation:

In the picture attached, the triangles are shown.

After the dilation and reflection, there is proportionality between segment FG and segment FI, segment FH and segment FE, and segment HG  and segment EI. More specifically:

FG = 1/2*FI

FH = 1/2*FE

HG = 1/2*EI

This answer is right! took the test on FLVS and confirmed it :)

Please help with this

Answers

Answer:

D. Yes The Triangles ARE ≅

Step-by-step explanation:

By definition equilateral triangles have all equal angles and sides. Since they share a side that means one of each triangle's sides are congruent. Using the transitive property (if side a ≅ side b and side b ≅ side c, then side a ≅ side c), you can prove that all other sides are congruent or equal in measure, no matter how you pair them.

Which division problem is represented in the picture?

Answers

Answer:

B. 3 1/3 (3/2)

Step-by-step explanation:

10/3 = 3 1/3

3 1/3 / 2/3 is basically equal to 3 1/3 * 3/2 as you have to use keep change flip for dividing fractions.

What is the solution to (5m)² - (2n-3m)³ if m=-3 and n=5

Answers

Answer:

-6634

Step-by-step explanation:

all we have to do is plug in -3 everywhere m is and 5 where n is:

(5(-3))² - (2(5)-3(-3))³

(-15)² - (10+9)³

225 - 6859

-6634

Please help with this

Answers

Answer:

I think it's D because the line AC looks like it is splitting the rectangle in half. I think this is right since the angles are congruent. (Angle BAC and Angle ACD)

Triangle UVW is dilated with a scale factor of 1∕3 with the center of dilation at the origin. What are the coordinates of the resulting triangle U′V′W′? answers: A) U′ (0, 1), V′ (2, 2), W′ (2, 0) B) U′ (0, 2), V′ (3, 3), W′ (4, 0) C) U′ (0, 1), V′ (3, 3), W′ (2, 0) D) U′ (0, 9), V′ (18, 18), W′ (18, 0)

Answers

Answer:

A) U′ (0, 1), V′ (2, 2), W′ (2, 0)

Step-by-step explanation:

The coordinate plane showing Triangle UVW is found online and attached below.

From the graph, the coordinates of the vertices of the triangle are:

U(0,3), V(6,6) and W(6,0)

When you dilate a point (x,y) with a scale factor of 1/3, you obtain: [tex]\left(\dfrac{x}{3}, \dfrac{y}{3}\right)[/tex]

Therefore, applying the dilation [tex](x,y) \rightarrow \left(\dfrac{x}{3}, \dfrac{y}{3}\right)[/tex], we have:

[tex]U(0,3) \rightarrow U'(\frac{0}{3} ,\frac{3}{3})=U'(0 ,1)\\\\V(6,6) \rightarrow V'(\frac{6}{3} ,\frac{6}{3})=V'(2 ,2)\\\\W(6,0) \rightarrow W'(\frac{6}{3} ,\frac{0}{3})=W'(2 ,0)[/tex]

The coordinates of the resulting triangle U′V′W′ are:

U′ (0, 1), V′ (2, 2), W′ (2, 0)

The correct option is A.

Answer:

this is what came with the question in my exam , but i dont

know the answer and i couldn't comment the picture so can someone help?

WILL AWARD BRAINLIEST AND GIVE 30 POINTS! ANY HELP IS APPRECIATED! I PREFER A STEP BY STEP EXPLANATION!

Answers

Answer:

[tex]\frac{12}{253}[/tex]

Step-by-step explanation:

So I would start by multiplying all the numbers on

the denominator first ----->

11 x 14 = 154

~~~

14 x 17 = 238

~~~                                    *BASICALLY: FIND THE COMMON DENOMINATOR*

17 x 20 = 340                        (this will be how u add everything at the end)

~~~

20 x 23 = 460

Now your goal is to get all of these numbers to be the same as the denominator so you can add them together at the end (get a common denominator)

**(remember when multipling the top and the bottom numbers, whatever you do to the bottom you must do to the top)**

   3                   3                    3                   3

--------- (x ?)  +  --------- (x ?)  +  --------- (x ?)  +  ---------  =

 154               238               340               460

***sorry i dont hav time to finnish but i hope this helped at least a little****

Will award BRAINLIEST

Answers

The answer is 3√5 units


Explain

∠KMJ = 180° - 90° -adjacent angles on a straight line = 90°

Using Pythagora's Theorem

KJ² = 6² + 3²

KJ² = 45

KJ = √45

= √9√5

= 3√5

Answer:

hewo. its a perpendicular triangle. so

6²+3² will equal to KJ.

36+9=45

45 is = 3√5 because when i put three in square, thats gonna be 3×3×5 = 45.

if u have question u can ask. good luck(:

and what is the distance jeremy ran up the stairs is _______ feet. (round to the nearest tenth of a foot)

Answers

Answer:

4² + 5² = x²

Step-by-step explanation:

From the picture, the height of the staircase is:

h = 20 ft -15 ft = 5 ft

And the distance between the staircase and the building is 4 ft.

A right triangle is formed, where the distance between the staircase and the building (4) and the height of the staircase (5) are the legs, and the length of the staircase (x) is the hypotenuse. Using Pythagorean theorem:

4² + 5² = x²

find the limit of the function algebraically. lim x → 0 -7 + x/x^2​

Answers

Answer:

[tex]\lim_{x\to 0}\dfrac{-7+x}{x^2}=-\infty[/tex]

Step-by-step explanation:

The given limit problem is

[tex]\lim_{x\to 0}\dfrac{-7+x}{x^2}[/tex]

Left hand limit of the function is

[tex]LHL=\lim_{x\to 0^-}\dfrac{-7+x}{x^2}=\lim_{h\to 0}\dfrac{-7+(0-h)}{(0-h)^2}[/tex]

[tex]LHL=\lim_{h\to 0}\dfrac{-7-h}{h^2}[/tex]

Applying limit, we get

[tex]LHL=-\infty[/tex]

Right hand limit of the function is

[tex]RHL=\lim_{x\to 0^+}\dfrac{-7+x}{x^2}=\lim_{h\to 0}\dfrac{-7+(0+h)}{(0+h)^2}[/tex]

[tex]RHL=\lim_{h\to 0}\dfrac{-7+h}{h^2}[/tex]

Applying limit, we get

[tex]RHL=-\infty[/tex]

Since, LHL=RHL, therefore limit of the function exist at x=0.

Hence, [tex]\lim_{x\to 0}\dfrac{-7+x}{x^2}=-\infty[/tex].

Subtract.
5x2 - 5+1
(2x2 +9x-6)
-_________
A. 3x2 - 4x+7

B. 3x2 - 14x+7

c. 3x2 + 4x - 5

D. 3x2 + 14x-5

Answers

Answer:

The answer is: [tex]3x^2-14x+7[/tex]

which agrees with answer B) among your list of possible options.

Step-by-step explanation:

I think you forgot an "x" in the first trinomial, so, let's try that:

[tex](5x^2-5x+1)-(2x^2+9x-6)=\\= 5x^2-5x+1-2x^2-9x+6=\\=3x^2-14x+7[/tex]

The Egyptians used a ramp that could hold 1,000 pounds. If 6 people got on the ramp and they weighed 780 pounds total. What percentage of the ramp’s weight capacity is still available?

Answers

Answer:

22%

Step-by-step explanation:

1000-780=220

220/1000=0.22, or 22%

Two pirates were playing with golden coins. At the start of the game, the first pirate lost half of his coins to the second pirate, then the second pirate lost half of his coins to the first one, then again the first lost half of his coins to the second pirate. At the end of the game, the first pirate had 15 coins, and the second had 33 coins. How many coins did the first pirate have initially?

Answers

Answer:

24 coins

Step-by-step explanation:

Start:

first pirate --> 1/2 coins

second pirate --> 3/2 coins

Next:

first pirate --> 1/2 + 3/4 = 5/4 coins

second pirate --> 3/2 - 3/4 = 3/4 coins

Next:

first pirate --> 5/4 - 5/8 = 5/8 coins

second pirate --> 3/4 + 5/8 = 11/8 coins

So:

If 5/8 coins is 15, then 1/8 coins is 3, and 8/8 coins is 24 coins.

Answer:

24 coins

Step-by-step explanation:

im to lazy to explain

A discount of 16 % saved $38 on office supplies. whatw as the price of supplies before the discount ?

Answers

Answer:

$44.08

Step-by-step explanation:

Answer:

$237.5

Step-by-step explanation:

You will divide 38 by .16 to get the answer.

Which graph shows a quadratic function with a discriminant value of 0?
1y
fy
6
2
6
х
2
4
4
2 4
12
2
2
N
-2
x
-4-2
2

4
-2
2 4
-6
o
o
о

Answers

Answer:

  see below

Step-by-step explanation:

A discriminant value of zero means there is exactly one x-intercept. The graph below has that characteristic.

_____

Comment on discriminant

discriminant > 0, two (2) x-intercepts (first 2 graphs)

discriminant < 0, no (0) x-intercepts (third graph)

A quadratic function with a discriminant of 0 only touches the x-axis, hence it is represented by the fourth graph.

What is the discriminant of a quadratic equation and how does it influence the solutions?

A quadratic equation is modeled by:

[tex]y = ax^2 + bx + c[/tex]

The discriminant is:

[tex]\Delta = b^2 - 4ac[/tex]

The solutions are as follows:

If [tex]\mathbf{\Delta > 0}[/tex], it has 2 real solutions, hence it crosses the x-axis twice.If [tex]\mathbf{\Delta = 0}[/tex], it has 1 repeated solution, hence it touches the x-axis.If [tex]\mathbf{\Delta < 0}[/tex], it has 2 complex solutions, hence it does not touch the x-axis.

In this problem, the fourth graph touches the x-axis, hence it is the answer to this question.

More can be learned about quadratic functions at https://brainly.com/question/24737967

10 tolas gold bought from American market at $ 553 per tola is sold in Nepal at 20% customs duty charge and 13% VAT. At what price should it be sold ?​

Answers

Answer: $735.49

Step-by-step explanation:

Given, the price of 10 tolas gold bought from American market = $553

Custom duty charge = 20%

VAT = 13%

Custom duty charge = 20% of $553

= 0.20 x 553  [we divide a perecntage to convet it into decimal]

= $110.6

VAT = 13% of $553

= 0.13 x 553

= $71.89

Selling price = Original price +Custom duty charge  + VAT

=  $553+$110.6+ $71.89

= $735.49

Hence, it should be sold at $735.49 .

Triangle PQR is transformed to the similar triangle P′Q′R′.

What is the scale factor of dilation?


1 over 2

1 over 3

1 over 4

1 over 5

Answers

Answer:

[tex]Scale\ Factor = \frac{1}{2}[/tex]

Step-by-step explanation:

This question requires an attachment;

I'll answer your question using the attached figure

Since, PQR is similar to P'Q'R'; This implies that

Side PQ is similar to P'Q'

Side PR is similar to P'R'

Side QR is similar to Q'R'

Taking sides PQ and P'Q' as point of reference

PQ = 4; P'Q' = 2 (From the attached)

[tex]Scale\ Factor = \frac{P'Q'}{PQ}[/tex]

[tex]Scale\ Factor = \frac{2}{4}[/tex]

[tex]Scale\ Factor = \frac{1}{2}[/tex]

Answer:

1/2

is your answer i got it right

Step-by-step explanation:

Which system of equations has no solutions?

1. x-3y+3z=-4
2x+3y-z=15
4x-3y-z=19

2. 3x-3y+4z=6
-3x+3y-4z=-6
6x-6y+8z=12

3. -2a-4b+6c=5
-a+3b-2c=-1
a+2b-3c=1

4. x+y=9
y+z=7
x-x=2

Answers

Answer:

SUBSCRIBE TO Yxng Playz

ON you tube

express 3m24cm in kilometers,leaving your answer in standard form​

Answers

Answer:

0.00324 kilometres

Step-by-step explanation:

Remember:

100 centimeters = 1 meter

1000 meters = 1 kilometer

So first, let's add together the meters and centimeters. To do that, we have to convert the meters to centimeters. That would become 300 centimeters, then you add the 24 centimeters to get 324 centimeters. Then, you convert that to kilometers. You can use a calculator for this, but I'll show you how to do this without a calculator. Since 100 centimeters is one meter, and 1000 meters equals to one kilometer, there would be 5 spaces from 324 to our answer, so you move the invisible decimal point 5 spaces to the left, and you get your answer, which is 0.00324 kilometres!

Answer:

0.00324 km is the answer

Lines L and M are parallel.
4
3
5
L
2
1/6
38° 7.
- M
Find : m24
Enter the number that
belongs in the green box.
?]
Enter

Answers

Answer:

m∠4 = 38°

Step-by-step explanation:

The angle that measures 38° and ∠6 are vertical angles, which means that they are congruent, therefore m∠6 = 38°

∠6 and ∠4 are corresponding angles, which means that they are congruent, therefore m∠4 = m∠6 = 38°

WILL GIVE BRAINLIEST AND 30 POINTS! Multiply the matrix representing the vertices of the rectangle to transform the figure. What are the coordinates of the resulting figure?

Answers

Answer:

What are the coordinates of the resulting figure?

✔ (0, 0), (4, 0), (4, –4), (0, –2)

Step-by-step explanation:

its C on Edge

I just took this assignment and got it right

The coordinate of the given figure is, (0, 0), (4, 0), (4, –4), (0, –2).

We have to determine the coordinates of the resulting figure.

What is the meaning of the coordinate?

A pair of numbers that describe the position of a point on a coordinate plane by using the horizontal and vertical distances from the two reference axes.it can be represented by (x,y)  that is the x-value and y-value.

Therefore the value of x and y at point (0,0) is 0 and 0.

The value of x and y at point (0,2) is 0 and 2.

The value of x and y at point (4,4) is 4 and 4.

The value of x and y at point (4,0) is 4 and 0.

Therefore the coordinate of the given figure is,

(0, 0), (4, 0), (4, –4), (0, –2)

To learn more about the coordinates visit:

https://brainly.com/question/17206319

Peter wants to flip a fair coin 8 times. He wants to know the probability of getting 3 heads. What is the value of P?

Answers

Answer:

7/32

Step-by-step explanation:

Combinators. Your best friend in this scenario.

Basically, using combinations helps you to find the different ways that you could get heads three times out of eight. To do that, just get 8!/(3!5!) (this is a formula, not the exact numbers, per say, you should check that out), which ends up as 56. So there's 56 different ways that Peter can flip a coin eight times and land on heads three times.

Then, you divide that by the total number of possibilities, which in this case is 2^8, since every coin you flip gives you two different options, heads or tails.

Simplifying the fraction gets you 7/32.

Answer:

7/32

Step-by-step explanation:

the probability of getting exactly 3 heads when a coin is flipped 8 times in a row is: 7/32.

Mia borrows $320 to buy books for her college classes. The simple interest is 5% for
one year. Mia wants to know the total amount she will pay back.

Answers

Answer:

$336

Step-by-step explanation:

Find 5% of 320

320(0.05) = 16

320 + 16 = 336

The total will be $336

"Filipe" was playing with a triangle on a coordinate plane. The triangle's area is 242424 square units. The largest circle he can fit in the triangle is centered at (0,0)(0,0)left parenthesis, 0, comma, 0, right parenthesis and passes through the point (1.2,1.6)(1.2,1.6)left parenthesis, 1, point, 2, comma, 1, point, 6, right parenthesis. Approximately what percentage of the triangle does the circle cover?

Answers

Answer:

52.33% is the correct answer.

Step-by-step explanation:

Given that:

Area of triangle = 24 sq units

Center of Circle is at (0, 0) and the circle passes through (1.2, 1.6).

To find: The percentage of triangle covered by circle.

Solution: To find the required percentage, we need to find the area of circle.

To find the area of circle, we need the radius of circle.

Radius of circle is the distance between the center of circle and any point that lies on the periphery of the circle.

We can use Distance formula :

[tex]D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

Radius = [tex]\sqrt{(1.2-0)^2+(1.6-0)^2} = \sqrt{1.44+2.56} = \sqrt{4} = 2\ units[/tex]

Now, area of circle is given by the formula:

Area = [tex]\pi r^{2}[/tex]

Area = 3.14 [tex]\times 2^{2}[/tex] = 12.56 sq units

Percentage of Triangle covered:

[tex]\dfrac{Area\ of\ circle}{Area\ of\ triangle}\times 100\\\Rightarrow \dfrac{12.56}{24}\times 100\\\Rightarrow 52.33\%[/tex]

Hence, 52.33% is the correct answer.

Answer:

52%

Step-by-step explanation:

Khan Academy.

Plz help me y/12-5=11

Answers

Answer:

192

Step-by-step explanation:

y/12-5=11

y/12=11+5

y/12=16

y=16x12

y=192

Answer:

y = 192

Step-by-step explanation:

1st add 5 to both sides 12 to get 7: [tex]\frac{y}{11} =16[/tex]

then multiple both sides by 11 to isolate the y : [tex]y=192[/tex]

(11 times 16 equals 192)

Convert the fraction 5/8 to a decimal

Answers

Answer:

0.625

Step-by-step explanation:

divide 5 by 8 to get 0.625

Answer:

0.625

Step-by-step explanation:

Divide the numerator by the denominator

so 5÷8 which equals 0.625.

Which facts are true for the graph of the function below? Check all that apply.
F(x) = logo.521^x

Answers

Answer:

its F, D, E, and C

Plz mark brainliest if this helps

Answer:

C. The domain is x>0.
D. The x-intercept is (1,0)
E. The range is all real numbers.
F. It is decreasing.

Step-by-step explanation:

It is correct!

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