3x+ 2y= 14 4x- 2y= 16 Elimination.

Answers

Answer 1
If you set the problem like you are going to add it, it will look like this:

3x+2y=14
+4x-2y=16
——————

2y+(-2y) will cancel out leaving you with:

7x=30

Divide by seven to get x by itself, you will get:

x=5

Now plug that in to 4x-2y=16

4(5)-2y=16

20-2y=16

Minus 20 on both sides

-2y=16

Divide by -2 to get y by itself

y=8

Thus,

x=5 and y=8

Related Questions

A wire is first bent into the shape of a triangle. Each side of the triangle is long. Then the wire is unbent and reshaped into a square. What is the length of a side of the square?

Answers

Answer:

18 in

Step-by-step explanation:

Here is the complete question.

A wire is first bent into the shape of a triangle. Each side of the triangle is 24in long. Then the wire is unbent and reshaped into a square. What is the length of a side of the square?

A triangle have 3 sides. If each sides is 24in long, the perimeter of the triangle will be:

P = s1 + s2 + s3

P = 24in + 24in + 24in

P = 72in

If the same length of wire is unbent and reshape into a square, this means:

Perimeter of the triangle = Perimeter of the square

Perimeter of the square = 72in

To get the length of a side of a square, we will use the formula:

Perimeter of a square = 4L

72 = 4L

L = 72/4

L = 18in

Hence the length of a side of the square will be 18in.

Roger wants to make a deposit into his savings account. He is depositing 2 checks, one for 95.62 and the other for $432.50. He would like to receive $60.00 in cash after the deposit. Calculate the amount that he will be depositing into his savings account. ​

Answers

Answer:

$468.12

Step-by-step explanation:

Given that:

Amount to deposit:

Check 1: = $95.62

Check 2 = $432.50

Amount he'll like to receive or withdraw = $60

Total amount he'll be depositing :

Check 1 + Check 2 - withdrawal

$95.62 + $432.50 - $60

= $468.12

What is 70 divisible by??

Answers

Answer:

70: 1, 2, 5, 7, 10, 14, 35, 70

Step-by-step explanation:

A one-year membership to a gym costs $725. The registration fee is $125, and the remaining amount is paid monthly. Define a variable. Then write and solve an equation to find how much new members pay each month. c = cost per month

Answers

Answer:

Step-by-step explanation:

725-125 is 600

y=600c+125

people pay 600 dollars a month

Nicole begins jogging for Mr. allergies class. on her first run, she runs one- half mile. she increases her work out by adding one-half mile a week to her run. she wrote the equation f(x) = 0.5 + 0.5x to model her progress. What does x represent?

A. Miles she runs.
B. Weeks she runs
C.miles she ran the first day
D. Calories she burns

Answers

The amount of weeks :)

Gorillas may look threatening, but they are peaceful and family-oriented animals. They are the largest of all primates, but as plant-eating animals, do not bother other creatures.

Which choice best paraphrases the information? (5 points)

Group of answer choices

Gorillas may appear scary, but they are nonviolent and family-centered creatures. They are the biggest of all primates, but as vegetarian creatures, they do not inconvenience other species.

As the largest primates, gorillas look imposing. In reality, they eat plants, protect their families, and keep to themselves.

Gorillas look threatening but are peaceful and family oriented. They are the largest primate. They are plant eaters and don't bother other creatures.

Gorillas are the largest of all primates. They may look threatening, but they are plant-eating animals. They are peaceful and family oriented and do not bother other creatures.

Answers

Answer:

Gorillas look threatening but are peaceful and family oriented. They are the largest primate. They are plant eaters and don't bother other creatures.

Step-by-step explanation:

Whitney sells cars at a local dealership. She receives a monthly salary of $904.00 and a $159.00 commission on each car she sells. If Whitney receives her commission check at the end of the month along with her salary check, which of the following equations can be used to determine her total pay for the month?

(Let x represent the number of policies sold and y represent the total amount of pay for the month.)
A.
y = 904x + 159
B.
y = 159x
C.
y = 159x + 904
D.
y = 15.9x + 904

Answers

Answer:

The equation can be used to determine her total pay for the month is

y = 159x + 904 ⇒ C

Step-by-step explanation:

The form of the linear equation is y = m x + b, where

m is the slope ⇒ rate of changeb is the y-intercept ⇒ initial amount

∵ Whitney receives a monthly salary of $904.00

→ It is a fixed amount

∴ The initial amount of her salary is $904.00

b = 904

∵ She takes a $159.00 commission on each car she sells

→ That means the commission is changing with the number of cars sold

∴ The commission is the rat of change

m = 159

→ Substitute the values of m, b in the form of the equation above

∴ y = 159x + 904

The equations can be used to determine her total pay for the month is

y = 159x + 904

2000-25x >400 I don’t get what to do on that question

Answers

Answer:

x < 64

Step-by-step explanation:

Solve for x

2000-25x > 400

-25x > 400-2000

-25x > -1600

25x < 1600

x < 64

Solve for w.
W-5= 10
What the answer

Answers

Answer:

15

Step-by-step explanation:

10+5 is 15

15-5=10

During one year the value of a diamond increased 25%. If the diamond was originally worth $3000 what was it worth one year later

Answers

Answer: $3750

Step-by-step explanation:

25% of 3000 is 750. So add 750 to 3000 you get 3750.

Answer:pues sube unos 740

Step-by-step explanation:

Ponle logica

Write an equation in slope-intercept form for the line with slope 1/5 and y-intercept -8

Answers

Answer:

y= 1/5x + -8

Step-by-step explanation: slope-intercept form= y=mx+b

y= the number on the y-axis or the simple y

m=slope

x= the number on the x-axis or the simple x

b= y-intercept

The required slope-intercept form of the equation is given as y = 1/5x - 8.

What is the slope of the line?

The slope of the line is a tangent angle made by line with horizontal. i.e. m =tanx where x in degrees.

Here,
The slope intercept of the equation is given as,
y = mx + c,

From the given, we have a slope of line m = 1/5 and y-intercept, c = -8.
Now,
y = mx + c
y = 1/5x - 8

Thus, the required slope-intercept form of the equation is given as y = 1/5x - 8.

Learn more about slopes here:
https://brainly.com/question/3605446

#SPJ2

Hey let me know what -4/6 minus 5/6

Answers

Answer:

-9/6

Step-by-step explanation:

Answer:

-3/2    -1/2     -1.5

good luck!!!!

What number is 0.867 more than 0.203?

Answers

Answer:

1.07 =)

Step-by-step explanation:

55.25
c
Which linear equation has a slope of 3 and a y-intercept of -2?
O y = 3x + 2
O y = 3x - 2
O y=-2x + 3
O y = -2x-3
VX
Mark this and totum
Next
Submn

Answers

9514 1404 393

Answer:

  y = 3x - 2

Step-by-step explanation:

The slope-intercept form of the equation for a line is ...

  y = mx +b . . . . . slope m, y-intercept b

You are told the slope is m=3, and the y-intercept is b=-2. Put these values in the form and you have ...

  y = 3x -2 . . . matches the 2nd choice

camille stopped at the grocery store to buy milk.While at the store,she spotted cans of soup on sale for $2.25 each.if the milk cost $3.50 and she can spend no more than $35,how many cans of soup can she buy

Answers

Answer:

14 cans of soup

Step-by-step explanation:

I used my whiteboard and did it

look at photo! he answer i got said it was wrong?

Answers

Answer:

I think thats right

Step-by-step explanation:

From what im reading it seems right

Answer: -.75 or -3/4 if you need it in fractions

Step-by-step explanation:

The graph of the following system of equations is (5 points)

2x + y = 6
6x + 3y = 18

Answers

The graph of the system equations

Two students Raymond and Shawna are trying to get city council members to vote for a new park along the river two six of the 24 council members say they already support the idea but that's not enough at least 13 council members must support the idea before the park is approved how many more City council Members must Raymond and Shawna convince

Answers

Answer:

At least 5 more council members need to support the idea.

Step-by-step explanation:

2/6 = 1/3

1/3 of 24 is 8

13-8 = 5

What is the area of the rectangle? 4.10 unit test analytical geometry

Answers

Answer: 74 units^2

Step-by-step explanation: Took the test :)

Estimate 0.5% of 600, what is the answer?

Answers

0.5% of 600 is 3.

In order to figure this out:

1)convert that percentage into a decimal 0.005

2)multiply that decimal by the total number. 0.005 x 600 = 3.

Hope this helps!

What is 7/3 divided by 2/3

Answers

Answer:7/3 ÷ 2/3 = 3 1/2Explanation:How to solve the problem above?

When we divide two fractions, such as 7/3 ÷ 2/3, we flip the second fraction and then we simply multiply the numerators with each other and the denominator with each other.

Tomas is making trail mix using granola and walnuts. He can spend a total of $12 on the ingredients. He buys 3 pounds of granola that costs $2.00 per pound. The walnuts cost $6 per pound. He uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. He solves the equation for y, the number of pounds of walnuts he can buy. Which is the first error that Tomas made? Tomas substituted the 3 for x when he should have substituted 6 for x. Tomas added 6 to both sides of the equation instead of subtracting 6. Tomas should have written the equation as . Tomas substituted 3 for x when he should have substituted 3 for y.

Answers

Correct question is;

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. The walnuts cost $6 per pound. He uses the equation 2x + 6y = 12 to represent the total cost,

Where x represents the number of pounds of granola and y represents the number of pounds of walnuts. He solves the equation for y, the number of pounds of walnuts he can buy.

2x + 6y = 12

2(3) + 6y = 12

6 + 6y + 6 = 12 + 6

6y = 18

y = 3

which is the first error that tomas made?

A) tomas substituted the 3 for x when he should have substituted 6 for x.

B) tomas added 6 to both sides of the equation instead of subtracting 6.

C) tomas should have written the equation as 3x + 6y = 12.

D) tomas substituted 3 for x when he should have substituted 3 for y.

Answer:

Option B: tomas added 6 to both sides of the equation instead of subtracting 6.

Step-by-step explanation:

We are told that; x represents the number of pounds of granola while y represents the number of pounds of walnuts.

Now, we are told that He can spend a total of $12 on the ingredients. Also that he buys 3 pounds of granola that costs $2.00 per pound while the walnuts cost $6 per pound.

Thus;

2x + 6y = 12

He buys 3 pounds of granola. Thus;

2(3) + 6y = 12

6 + 6y = 12

The next step here is to subtract 6 from both sides but Tomas added 6 to both sides instead.

Thus, option B is the correct answer.

Answer:

its b

Step-by-step explanation:

BRAINLY INCLUDED
A repair bill for your car is $553. The parts cost $265. The labor cost is $48 perhour. Write and solve an equation to find the number of hours t of labor spent repairing your car.

Equation __ = 553
t= __ hours

Answers

Answer:

t = 6 hours

Step-by-step explanation:

553  =  265  +  48 t

t = 6

Explanation:

Let  R  be the repair bill . Let  P  be the cost of parts

Let  L  be the labor cost

R = P +L

R

=

553

P

=

265

553

=

265

+

L

Let  

t

be the labor duration

Let  

r

be the labor rate

L

=

r

t

r

=

48

L

=

48

t

553

=

265

+

L

553

=

265

+

48

t

288

=

48

t

t

=

6

What is the slope of the line passing through the points (2,-5) and (4, 1)?
2
-4/5
3
5/4

Answers

Step-by-step explanation:

it would be 3 lol good luck

Answer:

3

Step-by-step explanation:

I took the quiz

Which of the following is not a layer of the Earth? a Inner core b Other core c Mantle d Crust

Answers

Answer:

all of them are the layer of earth

Step-by-step explanation:

if it is about spelling its b, because there is no "other core" instead there is outer core

Other core is not one, if you mean outer core then all of them are layers

The distance an electric car can travel on one full charge depends on the speed of the car. The table shows the approximate distances a certain model of electric car can travel on one full charge
when moving at various constant speeds.
The speed and the corresponding distance form an arithmetic sequence, where the speed represents the number of the term and the corresponding distance represents the value of the term.
What is the distance, in miles, that the car can travel on one full charge when moving at a constant speed of 75 miles per hour (mph)?
A) 220
B250
С270
D290

Answers

Answer:

Distance covered by the car = 220 miles

Step-by-step explanation:

Speed (mph) (s)             Distance (miles) (d)     Difference in distances

      45                               400                                        -

      50                               370                            400 - 370 = 30

      55                               340                            370 - 340 = 30

      60                               310                             340 - 310 = 30

      65                               280                            310 - 280 = 30

Since differences between each successive term of the distances are common,

Therefore, table represents a linear function.

Let the equation representing the relation between the speed and distance is,

d = ms + c

Where m = slope of the line

And c = y-intercept

For a point (45, 400) lying on the line,

400 = 45m + c ----- (1)

Similarly, for a point (60, 310),

310 = 60m + c -------(2)

Equation (1) - equation (2)

400 - 310 = 45m - 60m

90 = -15m

m = -6

By substituting m = -6 in equation (1),

400 = 45(-6) + c

c = 400 + 270

c = 670

Therefore, equation will be,

s = -6d + 670

Now we have to calculate the distance covered by the car when moving with a constant speed of 75 mph,

d = -6(75) + 670

d = 670 - 450

d = 220 miles

What is the exact volume of the cone?

A. 28pi

B. 56/3pi

C. 196/3pi

D. 196pi

Answers

Answer:

The correct answer is C. 196/3 pi

What’s the angle/angles for this figure?

Answers

Answer:

1 obtuse 2 acute 3 acute

Step-by-step explanation:

Hopefully someone understands this

Answers

Answer:

hi

Step-by-step explanation:

Answer:

c but the dude who said hi is doing this for points so try to avoid him

Step-by-step explanation:

A farmer wants to increase the weight of her lambs and is considering supplementing their diets with niacin, which is advertised as an effective weight gain supplement. To add niacin to their diets, the farmer would need to purchase a supply, which is fairly expensive. But if it does actually increase the weights of her lambs, it will lead to higher sales for her farm over time. So she conducts an experiment where she compares the weight gains of a sample of lambs on regular feed to a sample that receives an additional niacin supplement. a. Write an appropriate null and alternative hypothesis for her experiment. (1pt) b. In the famer’s perspective, explain the consequence of a Type-I error. (1pt) c. In the famer’s perspective, explain the consequence of a Type-II error. (1pt) d. Suppose the farmer analyzed her experimental data and got a p-value of 0.15. What would be the appropriate conclusion? (2pt) e. List a potential confounding variable for this study

Answers

Answer:

H0: ρ= 0 against Ha : ρ≠0

Step-by-step explanation:

The null hypothesis would be the weight gains of a sample of lambs on regular feed is equal to the weight gains of the sample that receives an additional niacin supplement against the claim that the weight gains are not equal .

H0: ρ= 0 against Ha : ρ≠0

Type 1 Error would be when the H0 is true and there's no difference but H0is rejected or Ha is accepted that there is difference in the weight gains.

Type 2 Error would be when the Ha is true and there is difference but Ha is rejected or H0 is accepted that there's no difference in the weight gains.

The appropriate conclusion would be Ha is accepted and H0 is rejected fail to reject.

A confounding variable is the one which effects the results . It is the biased variable which should be identified and ignored.

For example in this experiment the independent variable would be the amount of the supplement the dependent would the weight gain but the gender of the sheep is the confounding variable. It is not directly related to amount of supplement .

1) gender of sheep

2) the breed of sheep

3) the number of sheep

4) the height of sheep

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