solve the following systems of equations.
5x+3y+4z=1
4x-7y+3z=0
x+5y-2z=-11

Answers

Answer 1

Answer:

x= 8

y= -5

z= 0

Step-by-step explanation:

this is the correct answer to this system of equations.


Related Questions

Select the correct proportion to solve for the missing measurement.




Question 3 options:


10/Z=6/15


10/15=z/6


z/10=15/6


10/15=6/z


What is the answer to the proportion you set up in the last problem? Type ONLY the number in the box.

Answers

Answer:

10/Z=6/15

Step-by-step explanation:

To find the missing measurement we need to use similarity ratio

10/Z=6/15 cross multiply expressions

15z = 60 divide both sides by 15

z = 4

PLEASE HELP WILL BE MARK BRAINLIEST!

Answers

the answer is negative 6

I need help 20 POINTS for who ever answers this!

Answers

Answer:I think it would be 3 cups per day it would only make sense :)

Step-by-step explanation:

It’s 2.4 because 12 divided 5 is 2.4 hop this helps.

Find the Area. Simplify your answer.​

Answers

Answer:

Area = [tex]9x^2[/tex] square units

Step-by-step explanation:

Key skills needed: Area of a parallelogram

1) This shape is a parallelogram, and the way to find the area of a parallelogram is:

                                [tex]A = bh[/tex]

A = area

b = base (the side at the bottom

h = the height ( the length that runs from one side to another and makes a right angle)

2) The base (b) would be 3x. The height (h) would also be 3x

3) This means A = [tex]3x(3x)[/tex]

3 times 3 is 9 --> and x times x is [tex]x^2[/tex]

Therefore the area is --> [tex]9x^2[/tex]

Hope you understood and have a nice day!! :D

is the change constant or not constant?
If so how can you tell?

Answers

Answer:

Yes, because the distance increases by 50 each hour.

Step-by-step explanation:

If you look at the right side of the graph, it increases by 50 each hour.

Just calculate! :)

Hope this helps! :)

Tamu ran 30 minutes and burned 170 calories.
Part A
Which equations can be used to find the average number of calories, c, burned per minute? Select each correct answer.
□ A. 30c = 170
□ B. 170c = 30
□ C. c = 170 ÷ 30
□ D. c = 30 ÷170
□ E. 30
170 = c
□ F. 170
30= c

Answers

Answer:

it's C.

Step-by-step explanation:

a bookstore sells five books for $65 which table represents the relationship between the number of books and the total price​

Answers

Answer:

13

Step-by-step explanation:

Please answer These. must have them quick! **51 POINTS** and ** BRAINLEAST**

Answers

Answer:

Koichi was here

Step-by-step explanation:

1.(03.01 LC)
What is the length of the unknown side of the right triangle?

Answers

Answer:

13

Step-by-step explanation:

a^2+b^2=c^2

5^2+12^2=c^2

c=13

Item 4 A movie theater sells 70 regular tickets and 40 matinee tickets in one day. Each regular ticket costs $15 and each matinee ticket costs $12. What is the total amount of ticket sales on this day?

Answers

Answer:

The total amount of ticket sales on this day is $1530.

Step-by-step explanation:

From the information given, the total amount of ticket sales would be equal to the result of multiplying the number of regular tickets sold for its price plus the number of matinee tickets sold for its price, which would be:

Ticket sales=15R+12M, where

R= number of regular tickets sold= 70

M= number of matinee tickets sold= 40

Now, you can replace these values on the formula to find the total amount of ticket sales on this day:

Ticket sales=15(70)+12(40)

Ticket sales=1050+480

Ticket sales=1530

According to this, the answer is that the total amount of ticket sales on this day is $1530.

Write the equation of the line which contain the point (1, 2) and slope = - 4 .

Answers

Step-by-step explanation:

y=mx+c

2=(-4)(1)+c

2=-4+c

c=2+4

c=6

therefore the answer is...

y=-4x+6

I don’t understand please help?

Answers

On the top row the square root of 9 is 3 and 3 cubed is 27. On the bottom row you have to find 9 squared which is 9 x 9 which is 81.

The midpoint of AB is M(-4,2). If the coordinates of A are (-6,5), what are the
coordinates of B?

Answers

Answer:

(-2,-1)

Step-by-step explanation:

Midpoints are found when you do ([x(subscript A) + x(subscript B)]/2, [y(subscript A) + y(subscript B)]. Therefore your equation (for x of B) should look like this:

-4 = ([-6+x]/2)

After you solve for x, you should have gotten -2 for x.

Then you do the same for y:

2 = ([5+y]/2)

You should get -1. Your final answer should be (-2, -1)

Mr. Rodriguez has only $62.50 to spend at a clothing store. He wants to buy a shirt that costs $35, including tax and some bracelets that cost $5.50 each, including tax.

Part A: Write an equation to determine x, the maximum number of bracelets, Mr. Rodriguez could buy.

Part B: Solve the equation to determine the number of bracelets Mr. Rodriguez could buy. Write just the number please.

Answers

Answer:

5 bracelets

Step-by-step explanation:

Part A

35 + 5.50x = 62.50

Part B

5.50x = 62.50 - 355.50x = 27.50x = 27.50/5.50x = 5

What is the area of the arrow?
7 ft
1 ft
2 ft
11 ft

Answers

Where is the picture, how you expect me to help if I can’t see the picture

490 divided by 7 and i need to know the answer for that please

Answers

The number 490 is called the numerator or dividend, and the number 7 is called the denominator or divisor.

The quotient of 490 and 7, the ratio of 490 and 7, as well as the fraction of 490 and 7 all mean (almost) the same:

490 divided by 7, often written as 490/7.

Read on to find the result of 490 divided by 7 in decimal notation, along with its properties


Overall the answer is: 490 divided by 7 = 70

The result of 490 divided by 7 is 70.

To calculate 490 divided by 7, we can perform long division as follows:

        70

   __________

7  |  490

   -  49  (7 times 7)

   _______

         0  (no remainder)

In the first step, we divide 7 into the first digit of 490, which is 4. The quotient is 0, and we bring down the next digit, which is 9.

Next, we divide 7 into 49. The quotient is 7, and there is no remainder.

Therefore, the answer to 490 divided by 7 is 70.

To know more about divided, refer here:

https://brainly.com/question/15381501

#SPJ6

4^(3x-18)=4^(6)-x anser it

Answers

Answer:

x  = 7.99952994

Brainliest pleasee?????

Answers

Answer:

Explanation below

Step-by-step explanation:

Vertical Shift of Functions

Given a linear function

y = mx + b

The value of b is called the y-intercept or the y-coordinate where the line crosses the y-axis. If the function is shifted up by a value of k, then the new function is:

y' = mx + b + k

Similarily to shift the function down, the value of k is subtracted:

y''= mx + b - k

We are given the function:

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

1) To shift up the line, we select a value of k=10. The new shifted-up function is:

[tex]\displaystyle y=\frac{2}{3}x+2+10[/tex]

[tex]\displaystyle y=\frac{2}{3}x+12[/tex]

2) To shift down the line, we select a value of k=5. The new shifted-down function is:

[tex]\displaystyle y=\frac{2}{3}x+2-5[/tex]

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

3) To shift to the origin, we must select a specific value of k that cancels the y-intercept. We must shift down by k=2:

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

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

This new function has the y-intercept equal to 0

solve a package of 17 sliced apples $2.21.How much would a package with 25 sliced apples cost at the same price per slice?????solve pleaseee middle school

Answers

Answer:

$3.25

Step-by-step explanation:

So,

If a package of 17 sliced apples is $2.21, lets find out the price per apple.

2.21 / 17 = 0.13

so, the price per apple is $0.13

Now, we find the price of a package with 25 sliced apples.

0.13 x 25 = 3.25

So, the price of a package with 25 sliced apples is $3.25

Hope this helps!

The price is 3.25 I think

value of x...........

in given rhombus. ​

Answers

Step-by-step explanation:

we know that,

opposite angle are equal in a rhombus

HERE,

one angle =2x

Opposite angle =3x-40

According to the question,

[tex]\tt{ 2x=3x-40 }[/tex]

[tex]\tt{3x=2x+40 }[/tex]

[tex]\tt{3x-2x=40 }[/tex]

[tex]\tt{ x=40 }[/tex]

#quality answer

[tex]\boxed{\large{\bold{\blue{ANSWER~:) }}}}[/tex]

In this given rhombus,

one angle =2x°another angle(opposite angle) =3x-40°

we know that

[tex]\boxed{\sf{opposite~ angle~ are~ equal ~in~ a~ rhombus }}[/tex]

According to the question,

one angle=opposite angle 2x=3x-402x-3x=-40-x=-40x=40°

Therefore.

The value of x In the given rhombus is 40°

Lin is shopping for a couch with her dad and hears him ask the salesperson, "How much is your commission?" The salesperson says that her commission is of the selling price. How much commission will the salesperson earn by selling a couch for $495?

Answers

The question is incomplete:

Lin is shopping for a couch with her dad and hears him ask the salesperson, "How much is your commission?" The salesperson says that her commission is 5.5% of the selling price. How much commission will the salesperson earn by selling a couch for $495?

Answer:

The salesperson will earn $27.22 as comission by selling a couch for $495.

Step-by-step explanation:

From the information given, you know that Lin's comission is 5.5% of the selling price, so in order to find the amount of the commision the salesperson will earn you have to calculate 5.5% of the selling price:

495*5.5%=27.22

According to this, the answer is that the salesperson will earn $27.22 as comission by selling a couch for $495.

[tex]cot(x)=\sqrt{3}[/tex]
x= ?

Answers

you should just use a calculator dude

Find the perimeter of this semi-circle with diameter,
d
= 37cm.
Give your answer rounded to 1 DP.

Answers

Answer:

58.1cm

Step-by-step explanation:

perimeter of a semi-circle = πd/2

d is the diameter

Given

diameter = 37cm

Perimeter of the semi circle =  π(37)/2

Perimeter of the semi circle = 18.5(3.14)

Perimeter of the semi circle = 58.09 cm

Hence the perimeter of the semi-circle is 58.1cm

What is the equation in slope-intercept form of the line that passes through the point (12, 5) and is perpendicular to the line represented by y=34x−8?

Answers

Answer:

The equation in slope-intercept form of the line that passes through the point (12, 5) and is perpendicular to the line is:

[tex]y=-\frac{1}{34}x+\frac{91}{17}[/tex]

Step-by-step explanation:

We know the slope-intercept form of the line equation

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

where m is the slope and b is the y-intercept

Given the line

[tex]y=34x-8[/tex]

comparing with the slope-intercept form of the line equation

The slope m = 34

We know that a line perpendicular to another line contains a slope that is the negative reciprocal of the slope of the other line, such as:  

slope = m = 34

Thus, the slope of the the new perpendicular line = – 1/m = -1/34 = -1/34

Using the point-slope form

[tex]y-y_1=m\left(x-x_1\right)[/tex]

where m is the slope of the line and (x₁, y₁) is the point

substituting the values of slope = -1/35 and the point (12, 5)

[tex]y-y_1=m\left(x-x_1\right)[/tex]

[tex]y-5=-\frac{1}{34}\left(x-12\right)[/tex]

Add 5 to both sides

[tex]y-5+5=-\frac{1}{34}\left(x-12\right)+5[/tex]

[tex]y=-\frac{1}{34}x+\frac{91}{17}[/tex]

Therefore, the equation in slope-intercept form of the line that passes through the point (12, 5) and is perpendicular to the line is:

[tex]y=-\frac{1}{34}x+\frac{91}{17}[/tex]

Can someone help please !!!

Answers

Answer:

The other answer is x = 1

Need help on number 12 not 11 plz help

Answers

A is the correct answer.

If raw material is %30 ($480) than the 2 %15 have to equal $480 also. So you have $480 and $480 to get $960 than your %40 should equal $640. All of those added together equal 1,600.
a is the correct answer

A couple is starting a family and decides to have four children. Assume that the probability of having a boy or have a girl are equal. a) Find a probability model for the number of girls the couple has. b) Find the probability that the couple has at least one girl. c) What is the probability that the couple has exactly one boy or exactly one girl

Answers

Answer:

0.9375 ; 0.5

Step-by-step explanation:

Given that :

p = 0.5

Probability model for the Number of girls the couple has :

P(x =x) = nCx * p^x * (1 - p)^(n - x)

P(x = 0) = 4C0 * 0.5^0 * 0.5^4 = 0.0625

P(x = 1) = 4C1 * 0.5^1 * 0.5^3 = 0.25

P(x = 2) = 4C2 * 0.5^2 * 0.5^2 = 0.375

P(x = 3) = 4C3 * 0.5^3 * 0.5^1 = 0.25

P(x = 4) = 4C4 * 0.5^4 * 0.5^0 = 0.0625

Probability of having atleast one girl

Number of trials, n = 4

P(x ≥ 1) = p(x = 1) + p(x = 2) + p(x = 3) + p(x = 4)

Using the relation :

P(x =x) = nCx * p^x * (1 - p)^(n - x)

Using calculator ;

P(x ≥ 1) = 0.9375

Probability of having exactly one boy or exactly one girl

1 boy 3 girls OR 1 girl 3 boys

P(x = 1)

P(x =x) = nCx * p^x * (1 - p)^(n - x)

P(x = 1) = 4C1 * 0.5^1 * 0.5^3

P(x = 1) = 4 * 0.5 * 0.125

P(x = 1) = 0.25

The probability of having one girl, 3 boys and vice versa is 0. 25

Hence, Probability of having exactly one boy or exactly one girl

0.25 + 0.25 = 0.5

x ÷ 9 = 4 I dont know what this answer is?

Answers

Answer:

36

Step-by-step explanation:

9*4=36

Answer:

36

Step-by-step explanation:

9x4=36

36 divided by 9=4

This is an easy question. Whoever answered this is worthy of getting these points. A florist sells a dozen roses for $35.40. she sells individual roses for the same unit cost. Write an equation to represent the relationship between the number of roses, x and the total costs of the roses, y. How much will 18 roses cost?

Answers

Answer:

Answer: The equation is

The cost of 18 roses is 53.10.

Step-by-step explanation:

Given:

A florist sells a dozen roses for 35.40. She sells individual roses for the same unit price.

Now, to find the cost of 18 roses and write an equation to represent the relationship between the number of roses, x, and the total cost of the roses, y.

1 dozen = 12.

Now, to get the cost of 18 roses we use unitary method:

If 12 roses cost = 35.40.

So, 1 roses cost = 2.95.

Thus, 18 roses cost = 53.10.

Therefore, the cost of 18 roses = 53.10.

Now, to write an equation the relationship between the number of roses and the total cost of the roses:

Cost of per rose = 2.95.

As, given in question:

Number of roses =

Total cost of the roses =

Total cost of the roses = Cost of per rose × Number of roses.

So, the equation is:

Therefore, the equation is And the cost of 18 roses is 53.10.

Step-by-step explanation:

Jack is looking to purchase a new video game. He finds a 25% off coupon for a store that sells the video game he wants. If the original price of the video game is $65, how much will Jack pay after the discount?(do not worry about sales tax)
PLEASE HELP ME!!!

Answers

Answer:

16.25

Step-by-step explanation:

Answer:

48.75

Step-by-step explanation:

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