2x + y + 6z = + 1
3x + 2y + 5z = 16
7x + 3y - 4z = 11

Answers

Answer 1

Answer:

1) x=1/2-y/2-3z

2)x= 16/3- 2y/3- 5z/3

3)x= 11/7- 3y/7+ 4z/7

Step-by-step explanation:

isolate the variable, to do that divide each side by the factors that don't contain the variable


Related Questions

How do you write 88% as a fraction

Answers

Answer:

\(\frac{88}{100}\) or \(\frac{22}{25}\)

Step-by-step explanation:

Any percentage automatically has 100 as a denominator. It's 88 out of 100. So, we can start off with that.

\(\frac{88}{100}\)

We can leave this just like that, but if your assignment asks for the simplified form, keep reading.

Now, to simplify a fraction, we have to find common factors. Finding the greatest common factor will be the smoothest route.

Factors of 88: 1, 2, 4, 8, 11, 22, 44, 88

Factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, 100

Now that we've listed our factors, we can see that 4 is the greatest common factor. So, let's divide both top and bottom by 4.

\(\frac{22}{25}\)

To check if we can simplify further, we'll look for another greatest common factor.

Factors of 22: 1, 2, 11, 22

Factors of 25: 1, 5, 25

The only factor shared is 1. Therefore, \(\frac{22}{25}\) is the lowest we can simplify.

Find the sum: (-5x2 + x - 8) + (-3x2 – 8x – 3).
A
-2x2 + 9x - 11
B
-2x2 + 9x - 5
с
-8X2 - 7x - 11
D
-8x2 - 7x + 11

Answers

Answer:

hello there i think the answer is c

Step-by-step explanation:

"mon ame ne suivit pas la sienne"


quelle figure de style represente cette phrase?​

Answers

Answer:

It is a metaphor.

Step-by-step explanation:

Hope it helps

What is the value sine?
5/12
5/13
12/13
13/5

What is the value sine?5/125/1312/1313/5

Answers

Answer:

(C.) 5/13

Step-by-step explanation:

The sine proportion is opposite / hypotenuse

Given the reference angle, the side measuring 5 units is the opposite side and the side measuring 13 units (and opposite of the right angle) is the hypotenuse

Thus, sine is 5/13

3(t-2) = -1
3t-6=-1
-6 -6
_______
3t=6
-3 -3
T=2

Answers

Answer:5x+t=7

Step-by-step explanation:

Firt you move like a snake ..!Den Uu Twearki While You At ChicFilA And REpeat at Shii !

points on a perpendicular bisector of a line segment are equidistant from the segment’s endpoints.

Answers

Points on a perpendicular bisector of a line segment are equidistant from the segment’s endpoints.

True

please help guys anything will be helpful

please help guys anything will be helpful

Answers

\(~~~~~2^{x+1} = 3^x\\\\\implies \ln \left(2^{x+1}\right) = \ln\left(3^x \right)\\\\\\\implies (x+1) \ln 2 = x \ln 3\\\\\\\implies \dfrac{x+1}x = \dfrac{\ln 3}{\ln 2}\\\\\\\implies 1+ \dfrac 1x = \dfrac{\ln 3}{\ln 2}\\\\\\\implies \dfrac 1x = \dfrac{\ln 3 }{ \ln 2}-1\\\\\\\implies \dfrac 1x = \dfrac{ \ln 3 - \ln 2}{\ln 2}\\\\\\\implies x = \dfrac{\ln 2}{\ln 3 - \ln 2}\\\\\\\implies x \approx 1.7095\\\\\\\)

Helpppp meeeeeee plsssss

Helpppp meeeeeee plsssss

Answers

Answer:

Your answer is yes. I hope this helped you!

Answer:

Yes

Step-by-step explanation:

Which choice is equivalent to the fraction below when x is an appropriate
value? Hint: Rationalize the denominator and simplify.
4-√6z
O A.
OB. 8+2√62
16-6z
O C.
8+2√/6z
8-3
D.
2+√6z
4-6z
8-6z

Answers

The correct option is D)\(2+\sqrt{6z} /4-6z\) .The choice is equivalent to the given fraction when x is an appropriate value is \(2+\sqrt{6z} /4-6z\)

Let's rationalize the denominator of the given fraction as shown below:

\($4 - \sqrt{6z} = \frac{(4 - \sqrt{6z}) (\overline{4 + \sqrt{6z}})}{(4 - \sqrt{6z}) (\overline{4 + \sqrt{6z}})}$\)

Here, the denominator is of the form\($(a-b)(a+b)$\), which can be written as \($a^2 - b^2$\).

Therefore, the above expression can be simplified as:

\(\[\frac{(4 - \sqrt{6z}) (\overline{4 + \sqrt{6z}})}{(4 - \sqrt{6z}) (\overline{4 + \sqrt{6z}})} \\= \frac{(4^2 - \sqrt{(6z)^2})}{(4 - \sqrt{6z}) (\overline{4 + \sqrt{6z}})}\\\\= \frac{16 - 6z}{16 - (6z)}\\\\= \frac{16 - 6z}{10} = \frac{8-3z}{5}\]\)

Therefore, we can see that choice D) \(2+\sqrt{6z} /4-6z\) is equivalent to the given fraction when x is an appropriate value.

Thus, the correct option is D) \(2+\sqrt{6z} /4-6z\)

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Find the exact length of the third side.
4
2

Find the exact length of the third side.42

Answers

Answer is 2 because the one that is on my phone

PLEASE HELP!!! I WILL GIVE BRAINLIEST!! HURRY PLEASE!!

You have 4 1/4 yards of ribbon to tie the goodie bags. You will need 1/8 of
a yard for each goodie bag. Will you have enough ribbon to tie a
goodie bag for each persn at the party? Explain!

24 people.


Answers

Answer:

Yes, you will have enough ribbon

Step-by-step explanation:

16/4 divided by 1/8

32 people will get ribbon

Answer:

Yes you have enough

Step-by-step explanation:Multiply 1/4 times 2 that is 2/8, Already 2 people done.22 people are left and 4 whole yards of ribbon are left too, for every yard of ribbon you have right now its 8 people so , 4 times 8 is 32.So you have enough.

Hello, I am having troubles with brainly I can't search anything because it just brings up the screen that no one has asked that question before or something along those lines. Thanks for reading.

Hello, I am having troubles with brainly I can't search anything because it just brings up the screen

Answers

Answer:

jus make a new acc

Step-by-step explanation:

Answer:I recommend looking it up on a different website or wording it differently.

hope this helps.

Step-by-step explanation:

Mario and Carlos, two brothers, play for the same basketball team. Here are the points they scored in 10 games:

Answers

The highest point scored is by Carlos with 19 points. Mario's highest was 15. so, Carlos scored 4 points more than Mario.

In the 7th game, Carlos scored 19 points which is the highest point of his game. In the 1st game, Mario scored 15 points which was the highest point he scored. Therefore, Carlos had the highest scoring game between the two of them. Carlos scored 4 points more than Mario did in his highest-scoring game. You can also construct a box plot for this question which will help you visualise this better. The box plot can be made by drawing a number line and marking the following points: minimum, first quartile, median, third quartile and maximum.

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The full question is:

Mario and Carlos, two brothers, play for the same basketball team. Here are the

points they scored in 10 games:

Game 1 2 3 4 5 6 7 8 9 10

Mario 15 X X 12 7 11 12 11 10 11

Carlos 10 X 9 12 15 X 19 11 12 12

(Xs mark games each one missed.) Which brother had the

highest-scoring game? How many more points did he score in

that game than the other brother did in his highest-scoring game?

Which of the following sets contains all the roots of a polynomial
F(x)=2x^3+x^2-3x
A- {0,1 3/2}
B- {-3/2, 1}
C- {-3/2, 0,1}
D- { -1, -3/2}

Answers

The set that contains all the roots of the polynomial is given by:

C. {-3/2, 0,1}

What are the roots of a polynomial F(x)?

They are the values of x for which F(x) = 0.

In this problem, the polynomial is given by:

F(x) = 2x³ + x² - 3x.

Hence:

2x³ + x² - 3x = 0.

2x(x² + 0.5x - 1.5) = 0.

2x = 0 -> x = 0.

x² + 0.5x - 1.5 = 0 -> (x + 1.5)(x - 1) = 0.

Then, this means that the other two roots are:

x + 1.5 = 0 -> x = -1.5.x - 1 = 0 -> x = 1.

Hence the correct option is:

C. {-3/2, 0,1}

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find the solutions of the equation in the interval [−2, 2]. use a graphing utility to verify your results. (enter your answers as a comma-separated list.) tan(x) = −1

Answers

The solutions of the equation Tan(x) = -1 on the interval [-2, 2] are \(x = -\pi /4\)and \(x = 3π/4\).

To find the solution of the equation tan(x) = -1 within the specified interval, you can use a graphics program to visualize the equation. By plotting the graphs for y = Tan(x) and y = -1, we can identify the point where the two graphs intersect.

On the interval [-2, 2], the graph of y = Tan(x) traverses values ​​-∞, \(-\pi /4\), \(\pi /4\), and ∞. The graph at y = -1 is a horizontal line at y = -1. Observing the points of intersection shows that the graph for tan(x) = -1 intersects at x = \(-\pi /4\) and \(x = 3\pi /4\)within the specified interval.

Therefore, the solutions of the equation Tan(x) = -1 on the interval [-2, 2]. You can check this by using a graphics program to plot the graphs for y = Tan(x) and y = -1 and verify that they intersect at those points within the specified interval.


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Use proportional reasoning to find 45% of 200

Answers

Answer:

90 i think :)

Step-by-step explanation:

Answer:

90

Step-by-step explanation:

By reasoning, we can say 50% of 200 is 100

We can say 10% of 200 is 20

We divide 20 by 2 to get 5%

20/2

= 10

Subtract 100 by 10

100 - 10

= 90

45% of 200 is 90

Simplify the following expression
- 18.7b + 4b -0.2b

Answers

Answer:

-14.9b

Step-by-step explanation:

Simply think of it like adding regular numbers, so

-18.7b + 4b - 0.2b = -14.9b

please answer correctly and ignore the bottom ill do that part just the top for you guys and gals please!

please answer correctly and ignore the bottom ill do that part just the top for you guys and gals please!

Answers

Answer:

7) x ≥ -3

8) x < -8

Explanation:

\(\sf If \ u^n < a, \ then -\sqrt[n]{a} < u < \sqrt[n]{a}\)\(\sf If \ u^n > a, \ then \ u < -\sqrt[n]{a} \ \ or \ \ u > \sqrt[n]{a}\)

7.

\(\sf -3(2x-7) \leq 39\)

distribute

\(\sf -6x + 21 \leq 39\)

relocate variables

\(\sf -6x \leq 39-21\)

simplify

\(\sf -6x \leq 18\)

dividing both sides by (-), changes the inequality sign

\(\sf x \geq -3\)

8.

\(\sf 4x + 9 < x - 15\)

collect like terms

\(\sf 4x -x < - 15-9\)

simplify

\(\sf 3x < - 24\)

divide both sides by (+)3

\(\sf x < -8\)

x + 6, for x < -3 Find each indicated quantity if it exists. Let f(x) = Complete parts (A) through (D). √x+3, for x>-3 (A) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. lim f(x) = (Type an integer.) X→-3* OB. The limit does not exist.

Answers

The correct choice is A. lim f(x) = 0. The limit does not exist.

To find the limit of f(x) as x approaches -3, we need to evaluate the left-hand limit (x → -3-) and the right-hand limit (x → -3+).

For x < -3, the function f(x) is defined as x + 6. As x approaches -3 from the left side (x → -3-), the value of f(x) is x + 6. So, lim f(x) as x approaches -3 from the left side is -3 + 6 = 3.

For x > -3, the function f(x) is defined as √(x + 3). As x approaches -3 from the right side (x → -3+), the value of f(x) is √(-3 + 3) = √0 = 0. So, lim f(x) as x approaches -3 from the right side is 0.

Since the left-hand limit (3) is not equal to the right-hand limit (0), the limit of f(x) as x approaches -3 does not exist.

Therefore, the correct choice is OB. The limit does not exist.

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Carrie Crop Growers square garden has a side length of 12 feet. What is the area of the​ garden? What is the​ perimeter?

Answers

Answer:

Area = 144   Perimeter = 48

Step-by-step explanation:

if the garden is square and the length is 12 all you do is 12 * 12 for the area and 12+12+12+12 for the perimeter.

what is the slop of the graph?

what is the slop of the graph?

Answers

the slope of the graph is y=250x+1200

Two weeks ago, Andrew
cans of ping pong balls. Last
week, he bought 4 cans of ping
pong balls. This week, he bought
2 cans of ping pong balls. The
ping pong balls cost d dollars per
can. Write an expression in
simplest form that represents the
total amount that Andrea spent.

Answers

The expression in simplest form that represents the

total amount that Andrew spent would be = $8d

What are simple forms of representation of expressions?

The simple forms of representation of expression shows that all the values of that expression are in its simplest form.

In Andrew cans of ping pong balls,

Last week he bought = 4 cans

This week he bought = 2 cans

The cost of ping pong balls = d dollars per

can..

The total amount that Andrew spent would be;

= d × ( 4+2)

= $8d

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3a+4+7b tick the third item in this expression

Answers

Answer:

I believe it is [x] 3a

Step-by-step explanation:

This indicates that you have selected the third item, which is "3a".

what is the term for the value that occurs most often in a series of numbers?

Answers

The term for the value that occurs most often in a series of numbers is called the mode.

The mode is one of the three main measures of central tendency, along with the mean and the median. It is a useful descriptive statistic that can provide insights into the characteristics of a dataset.

To find the mode of a set of data, you first need to arrange the data in order, either in increasing or decreasing order. Then, you simply identify the most frequent data point, which is the mode. In some cases, there may be more than one mode if multiple data points occur with the same maximum frequency.

The mode is particularly useful when dealing with categorical or nominal data, where there are distinct categories or values that cannot be ordered in a meaningful way. For example, the mode can help identify the most popular color among a group of people or the most common type of car on a given street. It can also be used for continuous data, although it may be less useful in this case than the mean or median.

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What is the value of x in the equation 8x – 2y = 48, when y = 4?
6
7
14
48

Answers

Answer:

x=7

Step-by-step explanation:

8x – 2y = 48

Let y = 4

8x - 2(4) = 48

8x - 8 = 48

Add 8 to each side

8x-8+8 = 48+8

8x = 56

Divide each side by 8

8x/8 = 56/8

x=7

Answer:

\(x = 7\)

Step-by-step explanation:

\(8x - 2y = 48 \\ 8x = 48 + 2y \\ x = \frac{48 + 2y}{8} \)

\(y = 4\)

\(x = \frac{48 + 2y}{8} \\ x = \frac{48 + 2 \times 4}{8} \\ x = \frac{48 + 8}{8} \\ x = \frac{56}{8} \\ x = 7\)

hope this helps

brainliest appreciated

good luck! have a nice day!

Leona has a bag containing lettered tiles. Which describes dependent events

O removing a vowel, not replacing it, and then removing another vowel

O removing a vowel or a consonant

O removing a consonant, replacing it, and then removing another consonant

O removing a consonant, replacing it, and then removing a vowel

Answers

The option that describes dependent events is "removing a vowel, not replacing it, and then removing another vowel".

This is because dependent events are events in which the outcome of one event affects the outcome of another event, i.e., there is a dependency between events. In this case, removing a vowel from the bag without replacing it affects the probability of removing another vowel from the bag. The other options do not describe dependent events because the outcome of one event does not affect the outcome of another event.

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Which pair. of integers would be used to rewrite the middle term when factoring 6t^(2)+5t-4 by grouping?

Answers

The pair of integers to be used to rewrite the middle term when factoring 6t^(2)+5t-4 by grouping is (5t - 4) and (6t^2 + 5t). By factoring by grouping, we can factor the middle term out of the polynomial and then factor the remaining terms separately.

First, the middle term is factored out of the equation. This is done by multiplying the first and last terms together, which in this case is (6t^2)(-4). This results in the equation 6t^2 + 5t - 4 being rewritten as 6t^2 + (5t - 4)(-4).

Next, the remaining terms are factored separately. The first term, 6t^2, is a perfect square and can be factored as (3t)(2t). The second term, (5t - 4)(-4), can be factored by taking out a common factor from each term. In this case, the common factor is (-4). This results in the equation being rewritten as (3t)(2t) + (-4)(5t - 4).

The final step is to group the terms together and factor out the greatest common factor. In this equation, the greatest common factor is (3t)(-4). Thus, the equation 6t^2 + 5t - 4 can be rewritten as (3t)(-4)(2t + 5).

In conclusion, the pair of integers used to rewrite the middle term when factoring 6t^2 + 5t - 4 by grouping is (5t - 4) and (6t^2 + 5t).

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The sum of three numbers is 23. The first number is 7 less than twice the second number. The third number is one greater than the sum of the first and second numbers.

Answers

Answer:

6

Step-by-step explanation:

We know the second number has to more than four, otherwise we can't subtract 7. But, if you calculate, 8 would be far too big. A number in between 4-8, 6.

The double of 6 is 12. 12-7=5.

This is showing the first number would be 5 and the second 6.

The third is one more than their sum. 5+6=11+1=12.

So finally adding, 11+12=23.

NEEP HELP ASAP LAST DAY OF SCHOOL PLS SHOW YOUR WORK
A rectangular field is 80 meters wide and 120 meters long. Give the length and width of another rectangular field that has the same perimeter but a larger area.
Width= ----- Meters
Length= ------ Meters

Answers

The width of the new rectangular field would be 0 meters, which means it would essentially be a line segment.

To find the length and width of another rectangular field that has the same perimeter but a larger area, we can use the following steps:

1. Calculate the perimeter of the given rectangular field:

  Perimeter = 2 * (Length + Width)

            = 2 * (120 meters + 80 meters)

            = 2 * 200 meters

            = 400 meters

2. Divide the perimeter by 2 to find the equal sides of the new rectangular field. Since the perimeter is divided equally into two sides, each side would be half of the perimeter length:

  Side length = Perimeter / 2

             = 400 meters / 2

             = 200 meters

3. Now, we have the side length of the new rectangular field. However, we need to determine the length and width that would yield a larger area. One way to achieve this is to make one side longer and the other side shorter.

4. Let's assume the length of the new rectangular field is 200 meters. Since both sides have the same length, the width can be calculated using the formula for the perimeter:

  Width = Perimeter / 2 - Length

        = 400 meters / 2 - 200 meters

        = 200 meters - 200 meters

        = 0 meters

5. Therefore, the width of the new rectangular field would be 0 meters, which means it would essentially be a line segment. However, note that the question asks for a rectangular field with a larger area. Since the width cannot be zero, we can conclude that it is not possible to have a rectangular field with the same perimeter but a larger area than the given field.

In summary, it is not possible to find another rectangular field with the same perimeter but a larger area than the rectangular field with dimensions 80 meters wide and 120 meters long.

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Write the equation of a line perpendicular to 5x−9y=−8 that passes through the point ​(−5​,8​).

Answers

Answer:  y = -(9/5)x - 1

Step-by-step explanation:

Rewrite the equation in standard form:  y = (5/9)x+(8/9).  [y=mx+b]

A line perpendicular to this would have a slope that is the negative inverse of the original slope (5/9), which would make it -(9/5).  The y-intercept would also change, but we don't know the value, yet.  For now, we'll use "b" for the y-intercept.  This results in a perpendicular line:

y = -(9/5)x + b

We can calculate b, the y-intercept, by using the point (-5,8) and solving for b.

8 = -(9/5)*(-5) + b

8 = (9) + b

b = -1

The line perpendicular to 5x−9y=−8 that passes through the point ​(−5​,8​) is

y = -(9/5)x - 1

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