How do I make both these equations into a elimination equation? Look at the pic I’m very confused!

How Do I Make Both These Equations Into A Elimination Equation? Look At The Pic Im Very Confused!

Answers

Answer 1

Answer:

Step-by-step explanation:

c + a = 342 ..................... (1)

5c + 12a = 2550 ........... (2)

- 5 × (1) + (2)

7a = 840

a = 120

c = 342 - 120 = 222

How Do I Make Both These Equations Into A Elimination Equation? Look At The Pic Im Very Confused!

Related Questions

The number of pages that Zak, Karen, Malia, and Ali can read in a day is shown below:

Zak read 15% of his 56-page book.
Karen read 12% of her 64-page book.
Malia read 14% of her 68-page book.
Ali read 10% of her 72-page book.

Who can read the greatest number of pages in a day? (10 points)

a
Zak

b
Karen

c
Malia

d
Ali

Answers

I think it’s A because I took it before and it was A I think

Answer:

Malia read the most pages

Step-by-step explanation:

Zak = 8.4 pages

Karen = 7.6 pages

Malia = 9.5 pages

Ali = 7.2 pages

what is the solution for this system of equations?
y= -1/4x + 6
y= x+1​

Answers

9514 1404 393

Answer:

  (x, y) = (4, 5)

Step-by-step explanation:

Equating the expressions for y gives ...

  -1/4x +6 = x +1

  5 = 5/4x . . . . . . . add 1/4x-1

  4 = x . . . . . . . . . . multiply by 4/5

  y = x +1 = 4 +1

  y = 5

The solution is (x, y) = (4, 5).

7-3x = -x+1
Simplify this equation

Answers

Answer:

x=11

Hope this helps :)

Step-by-step explanation:

Answer: X=3

Step-by-step explanation:

Rearrange terms = −3

Find the sum of the whole numbers from 1 to 720.

Answers

Answer:

259,560

Step-by-step explanation:

Stella has 6 balloons. Bill gives her 8 more balloons then some of the balloons pop. now stella has 10 balloons how many of the balloons pop​

Answers

Answer:

4 popped

Step-by-step explanation:

6+8=14

14-10=4

HELP ME WITH PRE CALC PLEASE!!! 40 PTS FOR CORRECT ANSWER

Answers

Answer:

The answer is A

Step-by-step explanation:

Triangle ABC, shown in the diagram below, is an isosceles triangle


If the measure of <ABC is 42.5°, what is the measure of <ABC?​

Answers

Answer:

A. 42.5

Step-by-step explanation:

The triangle shown is an isosceles triangle. An isosceles triangle haas two of its sides and base angles equal. Hence;

<ACB = <ABC (Base angles are equal)

Given

<ACB = 42.5°

Required

<ABC

According to the law above which says <ACB = <ABC , hence <ABC is also equal to 42.5°

Sixth sevenths times seven tenths

Answers

answer : 0.6





hope this helps !! ^-^

Answer: 0.6

Step-by-step explanation:

9+10

I need help please

Answers

Answer:20

Step-by-step explanation:

Answer:

19

Step-by-step explanation:

Hope this helps you!

PLEASE HELP WILL GIVE BRAINLIEST BE QUICK

Answers

-5 -9 I know cuz of my brain telling me da answer

The sand pit for the long jump has a width of 3.65 meters and a length of 9.5 meters. The cheerleaders want to cover the pit with a sign cheering on their team. How many square meters of paper will the cheerleaders need to cover the sand pit?

Answers

Answer:

34.675 square meters of paper

Step-by-step explanation:

multiply 3.65 by 9.5 to get the area or square meters

write an equation in slope intercept form of the line with the given characteristics:

through: (-3,1), slope = 2

please help this is due in 10 minutes!!

Answers

Answer:

The equation of line through (-3,1) and slope 2 in slope-intercept form is: y = 2x+7

Step-by-step explanation:

The slope-intercept form of an equation is given by:

[tex]y = mx+b[/tex]

here m is the slope of the line and b is the y-intercept

Given

[tex]m = 2[/tex]

Putting m=2 in the general form

[tex]y = 2x+b[/tex]

In order to find the y-intercept, the given point (-3,1) will be substituted in the equation

So

[tex]1 = 2(-3)+b\\1 = -6+b\\b = 1+6\\b = 7[/tex]

Putting the value of b

[tex]y = 2x+7[/tex]

Hence,

The equation of line through (-3,1) and slope 2 in slope-intercept form is: y = 2x+7

LAST ONE! Simplify the following expression.

Answers

Answer:

5+5root3

Step-by-step explanation:

Answer:

5+5root3

Step-by-step explanation:

sorry if its wrong

Use the Distributive Property to solve the equation. 4x - 2(x - 3) = -4 + 5x - 5

Answers

Answer:

x=5

Step-by-step explanation:

First, open up the parentheses to get 4x-2x+6=-4+5x-5. Now, move all numbers without variables to the right and those with variables to the left to get 4x-2x-5x=-4-5-6. Simplify both sides to have -3x=-15. Now divide both sides by -3 to get x=5

Find an equation of the line with the given y-intercept and slope m.
4.2, m = -3.7
The equation of the line is 0.
(Type your answer in slope-intercept form.)

Answers

Answer:

y=4.2x-3.7

Step-by-step explanation:

Slope-intercept form is y=mx+b, so just plug in the numbers to where they go in the formula.

A friend lends you $550, which you agree to repay with 7% interest. How much will you have to repay?

Answers

Answer:

$38.50

Step-by-step explanation:

$550 x .07 = 38.5

Mark earned $48. He spent $6 and saved the remaining money.
What is the ratio of amount spent to amount saved?

Answers

Answer:

1:7

Step-by-step explanation:

Katie goal is to read 6 books every month how many books will Katie read in 24 months

Answers

Answer:

144

Step-by-step explanation:

6 x 24 = 144

HELP PLEASEEEEEEEEEEE :(

Answers

Answer:

idek but try ( C)

Step-by-step explanation:

But i can be wrong lol

Click an item in the list or group of plctures at the bottom of the problem and, holding the button down, drag It into the
correct position in the answer box. Release your mouse button when the tem is place. If you change your mind, drag
the Item to the trashcan. Click the trashcan to clear all your answers.
Solve the problem as directed.
The volume (v) of a sphere varies directily as the cube of its diameter (d). Write this statement in algebraic language,
using an equation with the variables c, V, and d.

Answers

Volume= constant × diameter to the power 3

I keep getting the wrong answer for number 6​

Answers

Uhh, wouldn’t you divide the numbers ?

10b - 5m - 4b +8b - 4m
Simplify the expression you combining like terms

Answers

Answer:

14b - 9m

Step-by-step explanation:

10b - 4b + 8b - 5m - 4m

14b - 9m

In the 2002 - 2003 NBA regular season, the Sacramento Kings
won 13 more than twice as many games as they lost, The Kings
played 82 games. How many wins and losses did the team
mave?

Answers

Answer: Number of games lost = 23 and Number of games won = 59.

Step-by-step explanation:

Let x = Number of games lost, y = Number of games won.

y = 13 + 2x    (i)

x+ y = 82    (ii)

Substitute value of y from (i) in (ii) , we get

x+ 13 + 2x  = 82

⇒ 3x= 82-13

⇒ 3x = 69

⇒  x= 23      [Divide both sides by 3]

Put value of x in (i), y= 13+2(23) = 13+46=59

Hence, Number of games lost = 23 and Number of games won = 59.

the tables represent two linear functions in a system. what is the solution to this system?​

Answers

Answer: The solution is the point (-14, -54)

Step-by-step explanation:

When we have a system of linear equations like:

y = a*x + b

y = c*x + d

The solution of this system is the point (x, y) that is a solution for both equations, if we graph the lines, this point would be the point where the lines intersect.

To start with this, we need to find the equations of the lines, we will use the following:

A linear relationship can be written as:

y = a*x + b

where a is the slope and b is the y-axis intercept.

For a line that passes through the points (x1, y1) and (x2, y2), the slope can be written as:

a = (y2 - y1)/(x2 - x1).

Now, for the first table, we can use the points: (-3, -10) and (0, 2)

The slope of this line is:

a = (2 - (-10))/(0 - (-3)) = 12/3 = 4

then we have:

y = 4*x + b

To find the value of b, we can just replace one of the points in the equation, for example, we can use the point (0, 2), this means that we need to replace x by 0, and y by 2.

2 = 4*0 + b

2 = b

Then the equation for the first table is y = 4*x + 2

For the second table, we can use the points (0, -12) and (3, - 3)

Then the slope is:

a = (-3 - (-12))/(3 - 0) = 9/3 = 3

Then we have:

y = 3*x + c

And to find the value of c, we can do the same as before, now we use the point (0, -12) then:

-12 = 3*0 + c

-12 = c

Then the equation for this line is:

y = 3*x - 12

The system of linear equations is then:

y = 4*x + 2

y = 3*x - 12

To find the solution of the system, we must have that y = y, then we can write:

4*x + 2 = y = 3*x - 12

4*x + 2 = 3*x - 12

Now we can solve this for x.

4*x - 3*x = -12 - 2

x = -14

x = -14

Now we can replace this in one of the equations to find the value of y.

y = 3*(-14) - 12 = -54

Then the solution is the point (-14, -54)

Which of the following points is a solution of 3x-y= -2

Answers

x = [tex]\frac{y}{3}[/tex] - [tex]\frac{2}{3}[/tex]

Can someone help me I will mark Brainly

Answers

Answer:

Double the x to get f(x)

Step-by-step explanation:

Please need help on this one

Answers

The answer is 130°
Because it is a circle, the angles have to all add up to 360°. So if you add up the two known angles, and subtract that sum from 360, you will get 130°

Last year, Josh had $20,000 to invest. He invested some of it in an account that paid 7% simple interest per year, and he invested the rest in an account that paid 9% simple interest per year. After one year, he received a total of $1560 in interest. How much did he invest in each account?

Answers

Answer: $12000 was invested at 7% while $8000 was invested at 9%.

Step-by-step explanation:

Based on the information given in the question, let the amount that was invested at 7% be n.

Therefore,

0.07n + 0.09(20000 - n) = 1560

0.07n + 1800 - 0.09n = 1560

-0.02n = 1560 - 1800

-0.02n = -240

n = 240/0.02

n = 120

Therefore, $12000 was invested at 7% while $8000 was invested at 9%.

PLZ HELP

The price of a stock is $3.17 per share. What is the greatest number of whole shares Mr. Smith can buy with $200?

A. 15

B. 63

C. 66

D. 117

Answers

Answer:

63

Step-by-step explanation:

i just divided 200 by 3.17

Answer:

63

Step-by-step explanation:

$3.17/share

$200 / $3.17 = 63.09

Let's round to the nearest whole number. 0.9 is 0.9 units away from 63 and 64 is 0.91 units away from 63. Which number should we round to? Since it says nearest, we round to 63.

B or 63 is the answer to the problem.

Mark as Brainliest!Rate Excellent!

what is 14 divided by 3​

Answers

Answer:

4.666667

or round it to 4.67

4.66666667 is the answer
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