2x + 4y-31=123 what is the equation for x and then y​

Answers

Answer 1

Answer:

i would say

y = ( 77 - x ) / 2

Step-by-step explanation:

2x + 4y = 123 + 31

2x +4y = 154

4y = 154 -2x

y = ( 154 - 2x ) / 4

y = ( 77 - x ) / 2


Related Questions

Parallel or perpendicular 3x+5y=10 and 5x-3y=-6

Answers

3x+5y=10 and 5x-3y=-6 is perpendicular.

Mario walked at a rate of 5/6 miles every 10 minutes what is his unit rate every mile per hour

Answers

Answer:

Mario's unit rate is 5/1

Step-by-step explanation:

We know that Mario walks 5/6 miles per 10 minutes.

We need to find out how many miles Mario walks in 60 minutes (1 hour).

10 * 6 = 60. Which means that we must multiply 5/6 by 6.

[tex]\frac{5}{6} *\frac{6}{1} = \frac{30}6[/tex]

30/6 = 5

Mario walks 5 miles per hour.

To put this in to a unit rate we must put this is a fraction:

[tex]\frac{Miles}{Hour}[/tex]

Substitute:

5/1

Answer:

Mario's unit rate is given by 900 miles/hour

Step-by-step explanation:

We have been given that Mario walked at a rate of 2/3 miles every 10 minutes

We have the relation between speed, time and distance, which is given by

speed = distance/Time

we have,

distance = 2/3 miles

Time = 10 minutes

On substituting these values in above formula, we got

speed 2/3 /10

speed 2/10.3

We have to find the unit rate in mile per hour, so we need to multiply it by 60

Thus, unit rate is given by

1/15 X 60

= 4 miles/hour

true or false dilation of a triangle are congruent to the original triangle

Answers

Answer:

True

Step-by-step explanation:

Hope this helps :)

Answer:

Step-by-step explanation:

ITS TRUE hope this helps

Which type of activity does Jeff do at a speed of 4.5 point, 5 miles per hour?

Answers

Answer:

Swimming

Step-by-step explanation:

The type of activity that Jeff does at a speed of 4.5 miles per hour is Swimming

If this was helpful, please mark brainliest. Have a beautiful day.

A scale drawing of a rectangle park measures 6 inches long and 2 inches wide. If the scale used for the 3 inches equals 7 yards, what is the actual length of the park?

Answers

I’m so sorry for this

What is the solution to the equation below
50+ 4 = 2(C-5)

Answers

Answer:

32

Step-by-step explanation:

54 = 2(C-5)

27 = C-5

32 = C

based only on the given information, it is guaranteed that ac is congruent to bc. true or false?

Answers

True. SAS or ASA. It shows that AD and BD are congruent and the triangles also share two sides and two angles.

Answer:

True. SAS or ASA. It shows that AD and BD are congruent and the triangles also share two sides and two angles.

Step-by-step explanation:

Find all real square roots of -9

Answers

Answer:

3i

Step-by-step explanation:

i equals -1, the square root of 9 is 3

-1 times 3 times 3 is -9

Alba worked for 6 hr and 45 min at $10.90 per hour. What numbers could she use to estimate how much money she earned? Estimate the amount she earned and state whether you think the exact amount is a little more or a little less than your estimate

Answers

Answer:

Step-by-step explanation:

If we're going by estimation, then you can do 11 and 7 hours, meaning that she would make 77 for the 7 hours but the exact answer would be a bit less than the estimation

10.9 times 6.75 is 73.58 roughly. so 3 dollars and 42 cents off

Answer:

1. She could use 7 hours and 11 dollars per hour.

2. $77 (7x11)

3 I'd say my estimate is a little more than the exact amount because I did 6.75 (6.75 because 45 minutes is 75% of a hour) x 10.90 and got 73.575.

which table shows y as Directly propertional to x

Answers

Where is the table?

5th grade math. Correct answer will be marked brainliest.

Answers

Answer: 1,285, 1,282, 1,278

Step-by-step explanation:

Answer:

1,285, 1,282, 1,278

Step-by-step explanation:

This table represents the number of ounces, u, a kitten grows after w, weeks. When graphed, all of the points in the table lie on the same line. What is the slope and y-intercept of the line? slope=−23, y-intercept=−0.2 slope=32, y-intercept = 3 slope=23, y-intercept=−0.2 slope=−32, y-intercept = 3

Answers

Using the slope and intercept formula, the slope and y - intercept values of the graphed data are 3/2 and 3 respectively

Given the data :

Weeks, w ___ Weight in ounces, u

0 __________ 3

3 _________ 7.5

6 __________12

9 _________16.5

The y - intercept :

This is the value of y when the value of x = 0

From the table given, the initial weight of the kitten (weight at week 0) = 3 ounces

Hence, the intercept is 3 ounces.

2.)

The slope :

Slope = Rise / Run

Rise = y2 - y1 = (16.5 - 3) = 13.5

Run = x2 - x1 = 9 - 0 = 9

Slope = 13.5 / 9 = 1.5

Therefore, the slope is 1.5

Learn more : https://brainly.com/question/15712200

what percent is equivalent to 2/3

Answers

2/3 is equivalent too 66.6%

Write the rational number as a decimal -3 4/9

Answers

Answer:-3.4

Step-by-step explanation:

The diameter of a circle is 11 in. Find its area to the nearest tenth.

Answers

Answer: 95.033

Step-by-step explanation:

what is the equation of the line that passes through the point (-3, 4) and has a slope of 1/3? ​

Answers

Answer:

Y=1/3x+5

Step-by-step explanation:

I hope it help you

dose anybody know how to do these kind of questions? with the step by step

Answers

X+1>-5(7-2x)

-Remember Parenthesis are always first!!
-A Negative Times a Negative =A positive
- X can also be written as 1x
-Whatever you do to one side, you have to do to the other


1x+1>-35+10x
-1x -1x
1 > -35 +9x
+35. +35

36 > 9x

-We divide by 9, NOT 9x. The reason we only divide by 9 is because we are trying to cancel out and get X by itself

36/9 = 4

9>x

Hope that helped!!!

struggling a lot pls help!!!!! ASAP

Answers

Answer:

Its (-2, 0)

Explanation: This is actually very simple because you just simply go left 2 times towards the middle of the two lines crossing each other, and thats -2.  Then after the point doesn't move any farther so its 0.

Tara can type 180 words in 4 minutes. At this rate, how many words would you expect her to type in 10 minutes?

Answers

Answer:

450 words in 10 minutes

Step-by-step explanation:

To set this up you need to put it like this:

[tex]\frac{180}{4}[/tex] = [tex]\frac{x}{10}[/tex]

From here, you need to cross multiply, which will get you to: 180(10) = 4x

Multiply 180 and 10: 1,800

The equation will now be: 1,800 = 4x

Now, divide both sides by 4:   450 = x

The required word that tara would type in 10 minutes is 450 words.

Given that,
Tara can type 180 words in 4 minutes. At this rate,
To determine how many words would you expect her to type in 10 minutes.

What is the Ratio?

The ratio can be defined as the proportion of the fraction of one quantity towards others. e.g.- water in milk.

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.



Here,
The rate of typing = 180 / 4 = 45 word per minute
Now a number of words typed in 10 minutes,

= 10 * 45
= 450 words per minute,

Thus, the required word that tara would type in 10 minutes is 450 words.

Learn more about ratios here:

brainly.com/question/13419413

#SPJ2


simply the following equations
a. -5(-3x - 2y +1)

b. 6(x + 3y -5)

Answers

15x + 10y -5

6x + 18y -30

Write the equation of the line that passes through the given points. (-2,2.5) and (0,-4.5)

Answers

Answer: y = -3.5x - 4.5

suppose: the equation of the line is y = ax + b ( a ≠ 0 )

because the line passes through (-2;2.5) => 2.5 = -2a + b

the line passes though (0;-4.5) => -4.5 = b

=> b = -4.5

   2.5 = -2a + b

=> a = -3.5

    b = -4.5

=> the equation of the line is y = -3.5x - 4.5

Step-by-step explanation:

The equation Of the line is y =-3.5x-4.5

What is the slope,m, of the table?

What is the y-intercept,b, of the table?

What is the equation that represents the table?

Answers

Answer:

9

Step-by-step explanation:

What is the slope of (2,6) and (7,21)

Answers

Answer:

m=3

Step-by-step explanation:

Answer:

15/5 or 3

Step-by-step explanation:

Slope is always the following formula:

y2 - y1 / x2 - x1

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

Now, replace the variables:

21 - 6 / 7 - 2

15 / 5

3

-5(3-r)=30
Please help!

Answers

The answer to -5(3-r)=30

Write an equation in POINT-SLOPE FORM of the line that has a slope of -3/5 and passes through the point (2, 1). harrryyy this is due at midnight if u dont know please dont just steall my pointssss

Answers

Answer:

y=-3/5x+2.2

Step-by-step explanation:

Find the value of g(7) for the function below.

G(x)=7/8 - 1/2

A. 60/7
B. 48/8
C. 53/8
D.49/8

Answers

Answer: The correct answer is (A) - 60/7 :)

Step-by-step explanation: The answer is A because all of the other ones make absolutely no sense one bit at all...!

Answer:

C.60/7

Step-by-step explanation:

42°
X Х
x =
degrees
tar

PLEASE HELP ITS URGENT

Answers

Answer:

x = 48°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°, thus

x = 180° - (90 + 42)° = 180° - 132° = 48°

You want to order a pizza for dinner. The pizza shop has a deal where you can buy a three-topping pizza for 11.99. If the pizza shop has 30 different toppings that you can put on your pizza, how many different pizzas could you get for 11.99?

A.4060


B.8120


C.24360


D.12180

Answers

Answer: A. 4060 Explanation (30 & 3)= (30*29*28)/(3*2*1)= 24,360/6= 4060

can someone help me with my test i have too write out the whole entire process & simplify them -
1st -3(2x-5)
2nd - 5+3x-8y+2x+9y-12

Answers

Answer:

1st -6x + 15

2nd 5x + y - 17

Simplified = -x + y -2

Step-by-step explanation:

Just add like terms if that's what it's asking.

How do I solve for x in this special triangle?

Answers

Answer:

x = 5

Step-by-step explanation:

[tex]b = \sqrt{c^{2} - a^{2} }[/tex]

[tex]b = \sqrt{13^{2} - 12^{2} }[/tex]

[tex]b = \sqrt{169 - 144 }[/tex]

[tex]b = \sqrt{25}[/tex]

[tex]b = 5[/tex]

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