2x - 2y = 14
x-y= 2
Solve Using Substitution

Answers

Answer 1
From the secon equation, we can find x in terms of y by doing:
x = 2 + y
Pluggin this value of x in the first equation:
2(2 + y) - 2y = 14
4 = 14
We reached a false statement, which means that the given system of equations has no solutions. Another way to verify that would be by dividing the first equation by 2. Doing so, we would have equation 1: x - y = 7 and equation 2: x - y = 2, which is clearly impossible!

Related Questions

QUESTION ON PIC THX!

Answers

Answer: So you basically subtract 67 by 20% of it so that is

67-20%

Which is 53.6.

So the answer is $53.60

Answer:

The answer is $53.6

Step-by-step explanation:

Here,

67 × 20 ÷ 100 = 13.4

Now,

$67 – $13.4 = $53.6

Thus, The current price of the item is $53.6

-TheUnknownScientist 72

Solve the inequality. Graph the solution
-9 < m - 6

Answers

Answer: m>−3

Step-by-step explanation:

Let's solve your inequality step-by-step.

−9<m−6

Step 1: Flip the equation.

m−6>−9

Step 2: Add 6 to both sides.

m−6+6>−9+6

m>−3

What is the solution to this inequality?

6.9 3.4

x>10.4

x<10.4

Answers

Answer: x > 10.4

Step-by-step explanation:

Find the total percentage of profit/ loss made on 2 crates of eggs which was bought at N150 per crate and sold for N100 per crate please 6:18 PM​

Answers

Answer:

  -33.3%

Step-by-step explanation:

The percentage loss is the same for 2 crates as for 1 crate.

  % loss = (loss/cost) · 100%

  % loss = (N100 -N150)/(N150) · 100% = -1/3 · 100% ≈ -33.3%

The percentage loss is 33.3%.

_____

Additional comment

In the above, the minus sign indicates a percentage change that is a loss. If the sign were positive, it would indicate a percentage profit.

8 1/4=d÷ 2/12

plz help assignment due in 30 min!

Answers

Answer:

exact form: d=99/2

decimal form: 49.5

mixed number form: 49 1/2

Step-by-step explanation:

sorry for the hold up

what should be added to 3pq plus 5 p square q square + P cube to get P Cube + 2 p square q square ​

Answers

Answer:

-3pq -3p²q²

Step-by-step explanation:

Refer to attachment.

Hope it helps :)

I need the answer to this please

Answers

The answer is 3.26500 yw

BRAINLIEST QUESTION ON PIC TY⚠️

Answers

Answer:

sin(y)=24/25

cos(y)=7/25

tan(y)=24/7

Step-by-step explanation:

We know sinФ=Opposite/Hypotenuse, cosФ=Adjacent/Hypotenuse, and tanФ=Opposite/Adjacent. We can remember this with SOH-CAH-TOA.

We know our angle is y. The Adjacent to y is 7. The opposite to y is 24. The hypotenuse is 25.

Now, we can plug the given information into the formulas in order to get the solutions.

sin(y)=24/25

cos(y)=7/25

tan(y)=24/7

Please help! 1/3x+3/4+2/3x-1/4-2/3.

Answers

3x - 1/2

-

3

you have to do 1/3 x 3/4 added by 2/3 x + -1/4 + -2/3

there is a lot of steps but the answer is there find the common denominator multiply and yea

Mel must buy 30 packs of dried fruit which store offers the lower price?

Answers

Karmels fruit stand is: $25 for 30 packs
Fresh foods market is: $24 for 30 packs

Fresh foods market offers the lower price

Hope this helps

fresh foods

Step-by-step explanation:

find a multiple such as 15  and caculate

3 x 5 = 15 |5 x 3= 15     for fresh foods its 4 per 5 so 15 - 3

and karmels is 3 for 2.50  thus 15 is 2.50 x 5 or 12.50

The Tent Market sells two-person tents for $299 and three-person tets for $399. During May, 8 more two-person tents than three-person tents were sold for a total of $10,768 if a represents the number of two person tents and b represents the number of three- person tents,the following system of equations that can be used to find a and b a-b=8 299a+399b=10,768 How many total tents were sold?

Answers

The system of equation that can be used to represent the situation is as follows;

a - b = 8

299a+399b=10,768

The total tents that were sold is 20.

a = number of two person tent

b = number of three person tent

The Tent Market sells two-person tents for $299 and three-person tents for $399. In may , 8 more two-person tents than three-person tents were sold for a total of $10,768. Therefore, the following equation is formed.

Combined equationb + 8 = a; a - b = 8299(b+8) + 399b = 10768

Therefore,

299(b+8) + 399b = 10768

299b + 2392 + 399b = 10768

698b = 8376

b = 8376 / 698

b = 12

Therefore,

a = 12 + 8 = 20

Therefore, 20 two person tent were sold and 12 three person tent were sold. The total tents that were sold is 20.

learn more on system of equation here: https://brainly.com/question/4397842

How do I solve 9/5 = x/16

Answers

Answer:

Cross Multiply

Step-by-step explanation:

1. Multiply 16 by 9 and you get 144
2. Multiply 5 by x

This is called cross multiplying.

3. Set up the equation. 5x=144
144/5=28.8

x=28.8

what is 25% of 18£ I need help doing it​

Answers

4.5£

Exp:
18(.25) = 4.5

To convert % to decimal, always move the decimal 2 places to the left.
examples:
25% = 0.25
100% = 1.00

Please help meeeeeeeeeeeeeeeeee

Answers

i don’t know


You should probably divide .

Answer:

3 hours and 30 minutes

Step-by-step explanation:

If intro hour he passes 70 miles, then with a simple formula 245 : 70 is equal to the time

because miles divided by miles per hour simplifying we are left with only hours and digits which in our case equals 3.5 hours

A baker needs `2/3` cup of sugar, but he can only find a `1/2` cup measure, so he decides to estimate. Which of the following would result in the correct amount of sugar?

Answers

2/3=(4/3) / 2 so he needs 4/3 scoops. that is 1 and 1/3 scoops

The solution is,  1 and 1/3 scoops would result in the correct amount of sugar.

What is division?

Division is the process of splitting a number or an amount into equal parts.

Division is one of the four basic operations of arithmetic, the ways that numbers are combined to make new numbers. The other operations are addition, subtraction, and multiplication.

here, we have,

A baker needs `2/3` cup of sugar, but he can only find a `1/2` cup measure, so he decides to estimate.

so, we have,

2/3=(4/3) / 2

so he needs 4/3 scoops.

that is 1 and 1/3 scoops

The solution is,  1 and 1/3 scoops would result in the correct amount of sugar.

To learn more on division click:

brainly.com/question/21416852

#SPJ2

Solve for x.

4x + 3 = 35

Answers

Answer:

x = 8

Step-by-step explanation:

4x + 3 = 35

subtract 3 from both sides

4x + 3 - 3 = 35 - 4

4x = 32

divide both sides by 4

4x / 4 = x

32/4 = 8

we're left with x = 8

Answer:

x = 8

Step-by-step explanation:

To solve for x you need to isolate it

First, subtract 3 from both sides, so you end up with:

4x = 32

Then, divide both sides by 4 to isolate the x

x = 8

Ten less than the product of 5 and a number
(worth 60 points)

Answers

Answer:

5n - 10

Step-by-step explanation:

Put this in numerals and signs:

Ten less than the product of 5 and a number

10      -                     5n

We already have 10 and 5.

Less than means to subtract

Since we do not know what the "number" truly is, we can use a variable. I will choose the letter, n.

Product means to multiply, times, so that would be 5 times n, but we do not need the symbol, ×, because as long as it is next to the number, it means multiplication.

Since 10 is less than 5n, 5n is greater than 10, which means 10 would be behind the minus sign.

Therefore, the expression is 5n - 10

Answer:

5a - 10

Explanation:

The word "less" defines subtraction. This means that the minuend is 5a. and ten is the subtrahend.

=> 5a - 10

Hence, the expression is 5a - 10.

TY QUESTION ON PIC⚠️❗️

Answers

Answer:

144

Step-by-step explanation:

Multiply length x width x height

9 * 8 * 2 = 144

144 is the answer u multiply nine by eight then seventy two by two

What is the slope of the line that passes through the points (-4, -10) and
(-7, -19)? Write your answer in simplest form.

Answers

3


Step by step explanation This is how I got the answer to your question and I gave you the solution I hope this helps you out

The slope of the line that passes through the points (-4, -10) and (-7, -19) will be 3.

What is a linear equation?

A relationship between two or more parameters that, when shown on a graph, produces a linear model. The degree of the variable will be one.

The slope of the line is given as,

m = (y₂ - y₁) / (x₂ - x₁)

The two points are given below.

(-4, -10) and (-7, -19)

Then the slope of the line is given as,

m = (- 10 + 19) / (-4 + 7)

m = 9 / 3

m = 3

Then the slope of the line that passes through the points (-4, -10) and (-7, -19) will be 3.

More about the linear equation link is given below.

https://brainly.com/question/11897796

#SPJ5

A taxi ride from the airport to the hotel is $15.50. If the taxi charges a flat fee of $3.50 and $0.75 per mile, then how many miles is the hotel from the airport?
Please answer this, and thank you.

Answers

Answer:

3.50+0.75x = 15.50

0.75x = 12 divide both sides by 0.75 to get your answer

Help me i need it
and pls answer it properly
I know you deserved the points thank you




POINTS ON A FIGURE. Write CL if the following points on the figure are collinear, CP if coplanar
and N if neither on the blank.
1. points J. U
4. points O, U, J
5. points L. Y O
2. points L, J
3. points F U. L

LINES ON A FIGURE. Use the figure below to identify the following lines.
1. TK and AK
a intersecting
2. AL and TO
b. perpendicular
3. 0E and OT
c. paralle
4. LE, LB and Lo
d. skew
5. AT and LE
e. concurrent

FIGURE ILLUSTRATION, Draw the following and label them accordingly
1. points Y E. S are collinear
2. MA L TH
3. q ll p ll r



Answers

Step-by-step explanation:

I just answered that a few minutes ago.

Im not quite sure how to solve this one

Answers

Answer:

see attachedaverage cost decreases as volume increases

Step-by-step explanation:

1.

The problem statement tells you the fixed cost is $1800. It is "fixed" because it does not depend on the number of cups sold.

The variable cost per cup sold is said to be $0.59, so the total variable cost for a week will be the product of that value and the number of cups sold.

Fixed and variable costs are added to get the Total Cost. Total cost is divided by the number of cups sold to get the Average Cost. A spreadsheet performs this math nicely. (See attached.)

__

2.

If you consider the equation for average cost based on the above description, you see is its ...

  ac = tc/q = (fc +vc)/q = (1800 + 0.59q)/q

  ac = 1800/q +0.59

where ac=average cost; tc=total cost; fc=fixed cost; vc=variable cost; q=quantity sold

You can see that the average cost will go down as quantity increases, because it spreads the fixed cost over a larger number of cups.

What is the exponential form of the equation log5(x-4)=3

Answers

Answer:

5^3 = x - 4

Step-by-step explanation:

Use the log definition (see attached).

5^3 = x - 4

Teresa is 46 inches tall. She is twice as tall as Lloyd. In the equation below, h represents Lloyd's height in inches.
46 = 2h
How tall is Lloyd?
23 inches
44 inches
48 inches
92 inches​

Answers

Answer:

23 inches

Step-by-step explanation:

she is 23 inches tall. 23 divided by 2 = 46

Determine the intercepts of the line.
x-intercept: ( , )
y-intercept: ( , )

Answers

Answer:

y-intercept = 275

x-intercept = 125

Step-by-step explanation:

The y-intercept is the point on your line where x=0. On this line, the y-intercept is the point (0,275) (x,y)

The x-intercept is the point on your line where y=0. On this line, the x-intercept is the point (125,0) (x,y)

Find the area of the shape bellow.

Answers

Answer:

105 cm squared

Step-by-step explanation:

15 × 6 to get the rectangle = 90

Now we have a triangle left so you do 15 - 9 for the base which equals = 6 and multiply that by hight (6×5=30) and since it's a triangle and not a square we have to divide that answer by 2 and we get 15, and once we add those together, we get 105. (I really hope that help!!)

Answer:

105 cm²

Step-by-step explanation:

Divide the shape into a rectangle and a triangle.

Area of a rectangle = width x length

Therefore, Area = 6 x 15 = 90 cm²

Area of a triangle = 1/2 x base x height

Therefore, height = 11 - 6 = 5cm

                    Base = 15 - 9 = 6 cm

So, area of the triangle = 1/2 x 5 x 6 = 15 cm²

Sum both areas to find total area:

90 + 15 = 105 cm²

Graph a linear equation passes through (-2, 0) and (0, -6).

Use two points to create the graph.

What is the equation of the line?

Answers

Answer:

y= -3x-6 should be the answer :)

[tex]f(x)=(1/x^{2} -3/x^{4} )(x+5x^{3})[/tex]

Answers

that’s the answer:)!

A recipe requires 1 2/3 cup of sugar. If Ms. Vasquez is going to make half of the recipe, then how much sugar does she need?

Answers

Answer:

she needs 15/6 or 2 3/6 ir 2 1/2 cups of sugar

Step-by-step explanation:

1 2/3=5/3 5/3+5/6 10/6+5/6

Answer:5/6 cup of sugar?

Step-by-step explanation:

Usually sugar isn’t measured in sixths but mathematically it would be 1 2/3 divided by 2 which would be 5/6 and that can’t really be converted into standard baking measurements?

four and three fourths minus one and one third

Answers

Answer:

3 5/12

Step-by-step explanation:

4 3/4 - 1 1/3

3 x 3/4 x 3

4 9/12 - 1 1/3

1 x 4/3 x 4

4 9/12 - 1 4/12

4 - 1 = 3

9/12 - 4/12 = 5/12

3 5/12

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