4х – Зу = 15
x - 2y = 0 solve using substitution please show work

Answers

Answer 1

Answer:

(6,3)

Step-by-step explanation:

I'm going to start with the second one.

x - 2y = 0

   +2y  +2y

x = 0 + 2y   which is the same as (x = 2y)

Now plug that in for the x-value in the other equation.

4(2y) - 3y = 15

8y - 3y = 15

5y = 15

Divide both sides by 5

y = 3

Here is where you are going to plug it back into the first one we did.

x - 2(3) = 0

x - 6 = 0

  +6   +6

x = 6

So the answer is (6,3)

Hope that helps and have a great day!


Related Questions

{(-3, 2), (-2, 2), (1, 2), (-3, 1), (0, 3)}
Dom:
Range:
Function?

Answers

Answer:

The domain of R is {-3,-2,1,-3,0}

The range of R is: {2,1,3}

The relation R is not a function

Step-by-step explanation:

Relations and Functions

We are given the ordered pairs of a relation, let's call it R:

R={(-3, 2), (-2, 2), (1, 2), (-3, 1), (0, 3)}

The domain of R is the set of values that relate to 1 or more elements from the range.

The domain of R is {-3,-2,1,-3,0}

The range of R is: {2,1,3}

Note the value 2 is repeated in the second set, but it's reported only once as part of the Range.

A relation is a function if each element of the domain appears in only one ordered pair, or relates to a single element in the Range.

The relation R is not a function, because the ordered pairs (-3, 2) and (-3, 1)

map the element -3 twice.

Find −6.42+8.25. Write your answer as a decimal.

−6.42+8.25=

PLEASE HELP ASAP I WILL MAKE BRAINLIEST FOR RIGHT ANSWER!
i would like an explanation too please

Answers

Answer:

1.83

Step-by-step explanation:

the sign of a number is the sign before a number therefore the sighn of 6.42 is negative(-) and the sign of 8.25 is positive(+) hence the answer is 1.83

PLEASE can anyone help me with this problem??

Answers

9514 1404 393

Answer:

  4

Step-by-step explanation:

To find the value of g(7), locate 7 on the x-axis. Follow the grid line upward until it meets the graph (blue line). At that point, follow the grid line to the left until it meets the y-axis. Read the value from the scale on the y-axis.

  g(7) = 4

Given the equation of a linear function in standard form 2x + 3y = 12, solve for y. Select all that apply

Answers

2x+3y=12
-2x -2x
3y=-2x+12
divide everything by 3
y=-2/3x+4

your letter grade is a function of your numerical grade. what is the independent variable

Answers

Answer:

a function of your numerical grade

Step-by-step explanation:

because the sentence can not stand on its own

PLEASE HELP!!!! help me solve 4 and 5

Answers

the first one is 87° because they are corresponding angles

The second one is 93° because they are same side interior angels

Answer:

1 is 87 and 2 is 93

Step-by-step explanation:

idrk exactly how to explain it....but i'll try....

the 87 is part of a straight angle, so the one to the left of it, that angle is 93.

1 is diagnoly oppisite of the 87, so 1 is 87. 2 is diagnoly oppisite of the other part of the striaght angle(93), so its 93

∉⇆⇔↓⊆∛↓Ф×↓⇆↓∴∉∉ФФπΔ∅∠↑⁺ₐ⁾ᵃ‰™®¢₹¥£€∠

Answers

Answer:

wat we were talking about i didnt turn on my cam bc i dont want some stranger looking at my ugly a*s

Step-by-step explanation:

Express each rate as a unit rate.$8 for 2 pounds of rice

Answers

Answer:

$4 for 1 pound of rice

Step-by-step explanation:

8 ÷ 2 = 4

2 ÷ 2 = 1

Hope this helps!

I may or may not be dumb in the brain... I'll give brainliest to whoever answers first and correctly.​

Answers

Answer:

23 degrees

Step-by-step explanation:

6x + 42 = 180

x = 23

Answer:

23 Degrees

Step-by-step explanation:

6x + 42 = 180

-42. -42

6x = 138

/6. /6

× = 23

help please !
need done before 11:59

Answers

I am not 100% sure about this. However, I think the answer is the definition of a midpoint. Because it would make sense that if C is the midpoint of AG then ACM ≅CGP

....................solve for x, 3+xc=d

Answers

Answer:

[tex]\displaystyle x=\frac{d-3}{c}[/tex]

Step-by-step explanation:

Equation solving

To solve an equation for a specific variable requires isolating the variable by performing the adequate algebraic operations.

Solve for x:

[tex]3+xc=d[/tex]

Subtract 3:

[tex]xc=d-3[/tex]

Divide by c:

[tex]\boxed{\displaystyle x=\frac{d-3}{c}}[/tex]

What is AB? Round your answer to the nearest hundredth

Answers

Answer:

A is -3 units B is 3 units which mean -3 + 3= 0

Step-by-step explanation:

solve this question now ​

Answers

Answer:

Center is (1,5) ;Radius is the square root of 13

Sarah deposits $500 into a bank account earning 2% interest per year. The amount
(A) of money in the account at any time (t), in years, is represented by the equation
A (t) = 500(1.02)
Which best describes the equation in words?

A. The amount of money present in the account at any time is a product of 500 and a
power of 1.02.
B. The amount of money present in the account at any time is a power of 500 and a
product of 1.02.
C. The amount of money present in the account at any time is a sum of 500 and
apower of 1.02
D. The amount of money present in the account at any time is a power of 500 and a
sum of 1.02

Answers

Answer:

c

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

2/100*500=10

product is 500 and power is 1.02

Which of the following is true about the expression below?
164 + (36 * 192)

G

Answers

Answer:

D

Step-by-step explanation:

the addition sign means "more"

2. What is the equation of a line that is passing through the point (8,11) and is perpendicular to y=2x+1.

Answers

Answer:

u need to substitute (8,11) in the equation because the line passses through that point

-3x-4=-5y-8 what is the y-intercept and x-intercept

Answers

Answer:

3/5x + 4/5 = y

or

y = 3/5x + 4/5

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

To find the y-intercept just need to put 0 instead of x in the equation.

[tex] - 3(0) - 4 = - 5y - 8[/tex]

[tex] - 4 = - 5y - 8[/tex]

Add sides 8

[tex] -4 + 8 = - 5y - 8 + 8[/tex]

[tex] 4 = - 5y[/tex]

Divide sides by -5

[tex] \frac{4}{ - 5} = \frac{ - 5}{ - 5} y \\ [/tex]

[tex]y = - \frac{4}{5} \\ [/tex]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

To find the x-intercept just need to put 0 instead of y in the equation.

[tex] - 3x - 4 = - 5(0) - 8[/tex]

[tex] - 3x - 4 = - 8[/tex]

Add sides 4

[tex] - 3x - 4 + 4 = - 8 + 4[/tex]

[tex] - 3x = - 4[/tex]

Negatives simplifies

[tex]3x = 4[/tex]

Divide sides by 3

[tex] \frac{3}{3} x = \frac{4}{3} \\ [/tex]

[tex]x = \frac{4}{3} \\ [/tex]

Done...

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

round 314,759 to the number of the underlined digit

Answers

Answer:

Um I think that it might be 315,000 if that's what they mean

Sam makes $10.25 per hour working at Whataburger. He plans to buy a laptop for $550. Write and solve an inequality describing how
many hours h Sam will have to work to be able to buy the laptop. (Round to the next higher hour)

Answers

Answer:

53.658

Step-by-step explanation:

Sam drove 315.5 miles in 5 hours. If he drove the same number of miles each hour, how many miles did he drive per hour?

Answers

Answer:

63.1

Step-by-step explanation:   You divide 315.5 by 5 to get the answer

Answer:

Step-by-step explanation:

it  should be 315.5 or since it is and a 5 all you have to do is multiply it easy hope this helped :)

What is energy of an electron with frequency of 5.25 x 10^14 s-1?

Answers

Answer:

3.48*10^-19

Step-by-step explanation:

We have the equation E = hf where h is planck's constant = aroung 6.63*10^-34 and f = frequency. We can then plug in the values and get the answer above.

The track star runs 100m at a rate of 10.4m/s. How long did it take to run 100m?
0.1 m/s
9.65
1040m/s
0.1s

Answers

Answer:

Time, t = 9.615 secs.

Explanation:

Speed can be defined as distance covered per unit time. Speed is a scalar quantity and as such it has magnitude but no direction.

Mathematically, speed is given by the equation;

[tex]Speed = \frac{distance}{time}[/tex] ....equation 1

[tex]Time = \frac{distance}{speed}[/tex] .....equation 2

Given the following data;

Distance = 100m

Speed = 10.4m/s

Substituting into equation 2;

[tex]Time = \frac{100}{10.4}[/tex]

Time, t = 9.615 secs.

Find the value of x?

Answers

Answer:

x = 94°

Step-by-step explanation:

interior angle sum of any polygon: (s-2)×180°

with s being the number of sides.

since there are 7 sides, 7-2 = 5

5* 180°

900° = total sum

______________________________

since we know the rest of the angles, just subtract the total sum from the sum of the known angles to find the unknown one.

900°-(148°+140°+136°+142°+150°+90°) = x

900°- 806°= 94°

x= 94°

Which value of x satisfies the equation
5/6 (3/8 - x)
= 16

Answers

Answer:

[tex]x = - 18.825[/tex]

Step-by-step explanation:

[tex] \frac{5}{6}( \frac{3}{8} - x)

= 16 \\ \frac{(5)(3)}{(6)(8)} - \frac{5x}{6} = 16 \\ 15 - 40x = 768\\ 40x = 15 - 768\\ x = - 18.825[/tex]

The value of x for the equation to be equal is- 40/753

Solution to linear equation

Given the linear equation expressed as:

5/6 (3/8 - x) = 16

Open the parenthesis

5/16 - 5/6x = 16

Collect the like terms

-5/6x = 16 - 5/16
-5/6x = 251/16

Cross multiply

1506x = -80
x = -80/1506
x = -40/753
Hence the value of x for the equation to be equal is- 40/753

Learn more on equation here: https://brainly.com/question/13763238

#SPJ2

HELP AGAIN PLS
THX BRAIN

Answers

Answer:

last 3 are right

Step-by-step explanation:

Answer:

Answer option 2, 3 and 4.

What is the missing addend?
52,835 +
= 87,216

Answers

Answer: 34,381

Step-by-step explanation:

You have to subtract 52,835 by the sum 87,216 which will get you the answer of 34,381

The missing addend is 34,381.

87,216-52,835=34,381

I will mark brainliest to whoever helps! :D

Answers

Answer:

-7/2y

Step-by-step explanation:

cancel out the Z's than youre left with -7/2y :}

What is 2 /34 × 4/5 plsssss help

Answers

Answer:

0.04705882352

Step-by-step explanation:

Yeah, I don't really have an explanation, sorry. I guess you just turn them both into decimals and multiply afterwards.

2/34 x 4/5 = 4/85, or 0.04705882...

Which equation correctly applies the distributive property?


​70+2.028=(70⋅2)+(70⋅0.02)+(70⋅0.008)

Answers

Answer:

70.2

Step-by-step explanation:

Anwhat wht

Step-by-step explanation:

ithinkithink ok sure

Can someone help please?

Answers

Answer:

just substitute the numbers for the variable y, and see whichs are greater than or less than 6

Answer:

1

Step-by-step explanation:

13 - 7(-1) = 20 so no

13 - 7(0) = 13 so no

13 - 7(1) = 6 so yes

[is there a 2 there?] 13 - 7(2) = -1 so no

13 - 7(3) = -8 so no

Other Questions
Please help8 square root 5 minus square root 45 The length of a car is 15 2/5 meters. What is the length of 7 cars? Which expression is equivalent to sin(20)cos(80) cos(20)sin(80)?sin(60)cos(60)cos(60)sin(60) Find the number of moles of iron atoms obtainfrom 320kg of iron (3) oxide How is por being used in the following sentence? Yo estudl por clnco horas. A. To give a reason B. To indicate a length of time C. To say for whom something is done D. To talk about an exchange Which polynomial represents the area? What statements accurately describe sunspots? Check all that apply.Sunspots are storms on the Sun's surface.Sunspots are marked by intense magnetic activity.Sunspots produce solar flares and hot gassy ejections.Sunspots can affect Earth's climate.Sunspots are cool areas where the Sun is covered by clouds. Which one of the following equations is equivalent to 3x-12 = -9?A 3 - 5 = -6B 70 - 3=42x = 4D 2+3 = 2 - 1 Angle pair equations!! 10 points :) Unfortunately, it is precisely the men or women of genius who mind most what is said of them. Remember Keats. Remember the words he had cut on his tombstone. Think of Tennyson; think but I need hardly multiply instances of the undeniable, if very fortunate, fact that it is the nature of the artist to mind excessively what is said about him. Literature is strewn with the wreckage of men who have minded beyond reason the opinions of others. Which rhetorical devices are used in the underlined portion of this passage? Select two options. allusion metaphor overstatement understatement parallel structure Find the area of the geometric figure. Most of these statements describe today's economy, select the one that does not?College graduates now compete with people from all over the world.Graduates need to posses creativity and imagination more than ever.Technology has made it possible to talk to people without ever having to seethem face to face and that is a proven benefit for everyone.Employers are looking for people that can work in teams, make decisions, plan,organize, and communicate well. Rico writes a letter and mails it.He writes quickly.Combine the sentences into one sentence. help pls help pls question is above In the figure below, lines m and n are parallel:In the diagram shown, 27 measures 97 degrees. The measure of 28 isdegrees? What similarities do Doodle and the scarlet ibis have? Check all that apply. question in the image I need help math is a pain Bobby and his brother had 3/4 of a pizza leftover after dinner. Their father came home and are 1/2 of the leftover pizza .how much pizza did their father eat Extra points!!Given: Circle M Given: Segment MA bisects Segment BC Prove: Angle B is congruent to Angle C