What are the values of x and y in the following system of equations?

[tex]x+y=15[/tex]
[tex]y-x=5[/tex]

Answers

Answer 1

Step-by-step explanation:

By elimination method,

x+y=15

-x+y=5

------------

2y=20

i.e y=10

Now,

x+y=15

or, x+10=15

or, x=5


Related Questions

Number of Customers
The scatter plot shows the relationship between the average
number of nightly customers and the number of months since a
restaurant opened. The equation represents the linear model for
this data
300
270-
240-
y = 5x + 120
210-
180
What does the number 5 in the equation mean in this context?
Average nightly customers
150
O The restaurant has been open for 5 months
.
120
The average number of customers per night
increased by 5 each month
90
60
There were 5 customers per night when the
restaurant opened
30
O
There were 5 customers per month after the
restaurant was open 120 months.
8
9
10
Time (months)
For every 5 months the restaurant has been open,
there are 120 more customers per night

Answers

Answer:

The average number of customers per night increased by 5 each month.

Step-by-step explanation:

hope this helps! :)

Is this table proportional?

Answers

Answer:

yes it is

Step-by-step explanation:

pls give brainlest almost lvled up

Answer:

I believe that this is not.

It is not proportional.

One rectangle measures 2 units by 7 units. A second rectangle measures 11 units by 37 units. Are these two figures scaled versions of each other? If so, find the scale factor.

Answers

Answer:

No.

Step-by-step explanation:

If they are scaled versions of each other then the ratio of corresponding sides would be equal.

11/2 = 5.5

37/7 = 5.29

So they are not scaled versions

Answer:

no

Step-by-step explanation:

What’s the value of the missing angle

Once again I’ll give brainliest

120,110,149, or 108

Answers

Answer:

The answer is 120

The value of the missing angle I’m not sure but I think it’s, 120 that’s the best I could think of

Each big square below represents one whole.
-
What percent is represented by the shaded area?
%

Answers

The Answer Is most likely 191% but the proper percent is 95.5%

What is (1 +i)5?
-4-4i
-4+4i
4-4i
4+4i

Answers

Answer:

It's -4 -4i

Step-by-step explanation:

Because it is

A

-4-4i

For the person that commented. the 5 is an exponent.

Last question please help me!!!!!!!

Answers

Answer:

it's D

Step-by-step explanation:

i just put it into desmos and looked for points, none of the answers appeared, therefore it's D

7,270 place vaule whole number ?

Answers

Answer:

ThousandsHundredsTensOnes7270

Step-by-step explanation:

HELPPPPPP ILL GIVE BRAINLIEST!!!!

Answers

Answer: a

Step-by-step explanation:

16 x 0.2 please answer correct

Answers

Answer:

3.2

Step-by-step explanation:

Answer:

I believe it's 3.2!

Given a quadratic function that is reflected across the
1
X-axis, vertically compressed by a factor of shifted
3
3 units to the right, and 2 units down, write the equation
of this quadratic function in vertex form.

Answers

Answer:

y=1/3 x2

Step-by-step explanation:

Suppose 56V% of politicians are lawyers. If a random sample of size 787787 is selected, what is the probability that the proportion of politicians who are lawyers will differ from the total politicians proportion by greater than 4%4%

Answers

Answer: 0.0238

Step-by-step explanation:

Given : Proportion of politicians are lawyers: p= 0.56

Sample size : n= 787

Let [tex]\hat{p}[/tex] be th sample proportion.

The the probability that the proportion of politicians who are lawyers will differ from the total politicians proportion by greater than 4% will be :-

[tex]P(|\hat{p}-0.56|>0.04)=P(-0.04>\hat{p}-0.56>0.04)=\\\\ P(-0.04+0.56>\hat{p}>0.04+0.56)\\\\=P(0.52>\hat{p}>0.60)\\\\=P(\dfrac{0.52-0.56}{\sqrt{\dfrac{0.56(1-0.56)}{787}}}>\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}>\dfrac{0.60-0.56}{\sqrt{\dfrac{0.56(1-0.56)}{787}}})\\\\=P(-2.26>z>2.26)\ \ \ [Z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}]\\\\=1-P(-2.26<z<2.26)\\\\=1-(2P(Z > 2.26)-1)\ \ \ [P(-z<Z<z)=2P(Z > |z|)-1]\\\ =2-2P(Z > 2.26)\\\\=2-2(0.9881)=0.0238[/tex]

Hence, the required probability = 0.0238

Find the number of five-digit numbers less than 40 000 in which the three-digit numbers formed by a consecutive digits are all divisible by either 17 or 23. Remember, zero cannot be the first digit in a three-digit number.
Please show grade 7 math work

Answers

Answer:

Following are the code to this questiuon:

def fiv(y):#defining a method fiv that hold a parameter  

  x = str(y) #defining a variable x that convert the value y in string  

  return three(x[0:3]) and three(x[1:4]) and three(x[2:5])#use return keyword to call the method three  

def three(x): #defining a method three that hold x variable as a parameter

   y = int(x) #use y to convert x in integer

   return y>=100 and (y%17==0 or y%23==0) #use return that gives a value which is divisiable by 17 or 23  

print([y for y in range(10000,40000) if fiv(y)])#use print method to print value

Output:

Please find the attached file.

Step-by-step explanation:

In the above code, two methods "fiv and three" is declared that accepts one variable as a parameter, which can be defined as follows:

In the fiv method, an "x" variable is defined that covert the value into a string and use to call the three methods.Inside the three methods, a y variable is declared, that convert the value into integer and use return keyword, that checks value is divisible by 17 or 23. In the print method, it accepts the given value, which is passed in the loop to print the value.    

To borrow money, you pawn your guitar. Based on the value of the guitar, the pawnbroker loans you $600. One
month later, you get the guitar back by paying the pawnbroker $1170. What annual interest rate did you pay?
You will pay a simple interest rate of %
(Round to the nearest whole number as needed.)

Answers

Answer:

51% (596.7) or 52% (608.4)

Step-by-step explanation:

1170 multiply by 51% or 52% and you will get as close as you can to 600. I hope this can help. I am sorry If I got it wrong or misunderstood. :) Have a nice day!

Ms. Hodge receives 20 phone calls every 60 minutes. How many calls will she expect to receive in 180 minutes?
Ms. Hodge will expect to receive _____ phone calls in 180 minutes.

Answers

Answer:

60

Step-by-step explanation:

20 calls / 60 minutes

x calls / 180 minutes

60 x 3 = 180 minutes

20 x 3 = 60 calls

Answer:

Ms hodge will expect to receive 60 phone calls in 180 minutes.

Step-by-step explanation:

180 divided by 60 is 3

3x20= 60

Ms hodge will expect to receive 60 phone calls in 180 minutes.

The rabbit population in a certain area is ​200% of last​ year's population. There are 300 rabbits this year. How many were there last​ year?

Answers

Answer:

There were 650 rabbits last year

The percentage of a quantity can be found by first changing the percent into a fraction and then multiplying it to the value of that quantity. Last year the number of rabbits was 150.

What is percentage?

A percentage is a value that indicates the hundredth part of any quantity.

To convert percentage into a fraction it is divided by 100.

Given that,

The population of rabbit this year is 300.

The percentage of the population with respect to the last year is 200%.

Suppose the population of rabbits last year was P.

Then as per the question, following expression can be written,

200% of N = 300

⇒ (200 / 100) × N = 300

⇒ 2N = 300

⇒ N = 150

Hence, the population of the rabbits last year was 150.

To know more about percentage click on,

brainly.com/question/29306119

#SPJ2

a temperature of 0 degrees Celsius:

a temperature of 8.5 degrees Celsius above zero:

a temperature of 7 degrees Celsius below zero:

100 points

Answers

Answer:

mark on the 0, on the 7, and half way past 8

hope this helps, pls give brainliest

Step-by-step explanation:

Simplify the expression.
(5)10 - (5)13
O-15
O-3
O 115
O2

Answers

Answer:

-15 is a answere

Step-by-step explanation:

According to BODMAS(bracket of Division Multiplication Addition Sutraction) rule

5*10-5*13

50-65

-15

The difference of 2 numbers is 2 and their product is 224. Find the numbers

Answers

Answer:

Step-by-step explanation:

12

Answer:

Step-by-step explanation:

The two numbers are 14 and 16 their product is 224 and their difference is 2

What is so important about points?

Answers

Answer:

What do you mean ?? Say it clearly I really want to help you.

An airline tracks data on its flight arrivals. Over the past six months, 65 flights on one route arrived early, 273 arrived on time, 218 were late, and 44 were cancelled. What is the probability that a flight is early

Answers

Answer:

0.108

Step-by-step explanation:

Given that:

Number of flights reached early = 65

Number of flights reached on time = 273

Number of flights reached late = 218

Number of flights canceled = 44

To find:

The probability that a flight is early.

Solution:

First of all, let us have a look at the formula for probability of an event E.

Formula for probability of an event E can be observed as:

[tex]P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}[/tex]

Here, Event E is that the flight is early.

Number of favorable cases is equal to the number of a flights which reached early i.e. 65

Total number of cases is the total number of flights.

i.e. 65 + 273 + 218 + 44 = 600

So, the required probability is:

[tex]P(E) = \dfrac{65}{600} = \bold{0.108}[/tex]

que es la geometria​

Answers

you need help with geometry ?
Parte de las matemáticas que estudia la extensión, la forma de medirla, las relaciones entre puntos, líneas, ángulos, planos y figuras, y la manera cómo se miden.

The Farmers Market sells apples by the bushel, and each bushel of apples weighs 42 lbs. A bushel of large apples contains 84 apples. If a bushel of small apples contains twice as many apples as a bushel of large apples, how many small apples are in 1 lb of apples?

Megan purchased a bushel of apples from the Farmers Market that contained only large and small apples. There were exactly 129 apples in the bushel Megan purchased. Based on this and information from the previous problem, what is the positive difference between the number of large apples and the number of small apples in the bushel of apples Megan purchased?

Answers

1. There would be 4 small apples in 1lb of apples.
(i dont know number 2)

For f (x) = x2 - 5, find f (x) when x = 0 and when x = 3
f (0) =
f (3) =

Answers

Answer:

1 minus 1 is 0

Step-by-step explanation:

1-1 equals 0

If LN = 6x - 5, LM = x + 7, and MN = 3x + 20, find MN

Answers

Answer:

68

Step-by-step explanation:

LM   +    MN     =   LN

x + 7  + 3x + 20 = 6x - 5

           4x + 27 = 6x - 5

          -4x         -4x      

                   27 = 2x - 5

                    +5        +5

                   32  = 2x

                   ÷2   ÷2    

                    16 = x

MN: 3x + 20

      3(16) + 20

        48   + 20

              68

16/30=20/x what is x?

Answers

Answer: 75/2

Step-by-step explanation: Math

Answer:

75/2

Step-by-step explanation:

16/30=20/x

Cross multiply

16*x=(20)*(30)

16x=600

Divide both sides by 16.

16x /16  = 600 /16

x=75/2

I hope it's right

Aria is buying refreshments for a birthday party. She intends to get an ice cream cake for $23
and some cupcakes for $2 each. Aria has a $45 budget but does not have to spend the entire
amount. Which inequality best represents the number of cupcakes, C, that Aria can purchase?

Answers

Answer:

11

Step-by-step explanation:

Answer:

$2c ≤ $45

I believe this is the right inequality.


Solve it please I need help

Answers

1a. 1 2 4 8
2a. 1 2 4 5 20
1b. 3 39
2b. 5 7
That answer is correct

Solve for y.
3(y-2) = y +4-2(-5y-2)
Simplify your answer as much as possible.

Answers

Answer:

y = -7/4

Step-by-step explanation:

It costs 11$ for 15 granola bars.

What is the unit price, in dollars per granola bar, rounded to the nearest hundredth?

Answers

Answer:

Each granola bar costs $0.73.

Step-by-step explanation:

11/15 = 0.73

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