what is the solution of x-y=4 and 4x+y=1

Answers

Answer 1

Answer:

x= 4+y and the next answer is y= -4x+1

Step-by-step explanation:

First one solve for x and the other one I solved for y


Related Questions

Mr. Green’s hobby was restoring old houses. He recently purchased an old rundown house that needed a lot of repair, especially with the plumbing. The kitchen faucet dripped all day and night. It intrigued Mr. Green how much water dripped from this faucet in one day,but he surely didn’t want to sit and watch the faucet drip all day. So he figured that if he could discover how much water dripped within a certain time span, he could calculate the dripping rate for any time span. In his first observation he noted that 6 ounces of water dripped in 10 minutes.


A) Using Mr. Green's observation can you help him figure out how much water would have dripped in only 5 minutes? Show your work or explain your answer

Answers

Answer:

if you divide the rate like this 6oz/10min by two you get 3oz/5min. this  

means 3oz of water drips' in 5min

Enter the unknown value that makes this statement true:
100% of ____ is 50.

Answers

Answer:

200

Step-by-step explanation:

Answer:

50

Step-by-step explanation:

Because 100% is all, so all of 50 is 50.

Question
Identify the correct graph and solution for the inequality.
10 a <25
(Look at pic)

Answers

i think it is C
explanation:

Answer:

First option

Step-by-step explanation:

First, Solve the inequality:

Divide each side by 10 to cancel out the 10 next to a. It should now look like this: a < 2.5

Find the inequality that matches the solution:

The first option (which literally writes the simplified version of the inequality) is correct, because it matches our simplified inequality above.  

A rectangular object is 3.0 cm long, 2.0 cm wide, and 4.0 cm high. Calculate the VOLUME of the object?

Answers

Answer:

V = length x width x height

V = 3 x 2 x 4

V = 24 cm^3

Phoebe bought 2/3 of a yard of green ribbon and 1/3 of a yard white ribbon to use on her quilt. She decided to exchange 1/3 yard of white ribbon for 1/3 yard of yellow ribbon. How much white ribbon does phoebe have to use on her quilt?

Answers

She has no more white ribbon because she exchanged it for yellow.

Which pair shows equivalent expressions?
A B C OR D???

Answers

Try b plz gimmie brain lies to

7/8 divided by 2/3 in simplest form

Answers

Answer:

21/16

Step-by-step explanation:

A probability experiment consists of rolling a fair 12 sided die. Find the probability of the event below rolling an 11

Answers

Answer:

the chance is 1/12 or 8.333...%

hope this helps

Step-by-step explanation:

Find the tables with unit rates greater than the unit rate in the graph. Then arrange these tables in order from least to greatest unit rate,
70
65
60
55
50
45
40
35
30
25
20
15
10
5
3 4 5 6 7 8 9 10 11 12 13 14
X
y
y
X
y
х
x
y
y
7 13
5
Х y
9 17
18 34
10 19
13 25
11 21
22 42
12 23
24 46
14 26
10 18
20 38
26 50

Answers

Answer:

i don't under stand the question

Step-by-step explanation:

Answer:

i think it is x=11,22 y= 21,42, then x=10,20 y=19,28, then x= 9,18 y=17,34,then x=7,14 y=13,26, then x=5,10 y=9,18

Step-by-step explanation:

What is the prime factor of 30?

Answers

Answer:

3

Step-by-step explanation:

3 I just know. Blah blah blah blah blah blah the answer is literally 2

Find the two integers, m and n,

make the equation (2x^ny2)m = 4x6y4 true.

Answers

Answer:

m = 2 and n = 3

Step-by-step explanation:

We want to find the value of the integers m and n that will make the given expression true

(2x^ny^2)^m = 4x^6y^4

We can rewrite the left hand side of the equation as follows;

(2x^3y^2)^2

we can proceed to use inspection to ind the value of m and n

Through inspection since the left hand side of the equation now looks like the right hand side;

Then;

m= 2 and n = 3

!!HELP 20 PTS!! Pls I need help

Answers

Answer:

6c+d+17

Step-by-step explanation:

Mia makes 12% commission on all her sales This month she sold $9,000 worth of merchandise . What was her commission?

Answers

I think that all you need to do is multiply the 12% commission by the $9,000 worth of merchandise sold. 12% would equal 0.12. So 0.12 x 9,000 = $1,080.

Anthony, Josh, and Dominic worked a combined 7 hours today. Dominic worked twice as many hours as Anthony did with an extra hour. Dominic worked 5 more hours than Josh did. How many hours did each of them work?

Answers

dominic worked 5 hours
anthony worked 2 hours
josh worked 0 hours

The number of hours worked by Anthony , Josh and Dominic is 2 hours , 0 hours and 5 hours respectively

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the number of hours worked by Anthony = A

Let the number of hours worked by Josh = J

Let the number of hours worked by Dominic = D

Total number of hours worked by Anthony , Josh and Dominic = 7 hours

So , A + J + D = 7   be equation (1)

Now ,

Dominic worked twice as many hours as Anthony did with an extra hour

So , D = 2A + 1   be equation (2)

And ,

Dominic worked 5 more hours than Josh did

So , D = 5 + J   be equation (3)

Simplifying be equation (2) and be equation (3) , we get

2A + 1 = 5 + J

Subtracting 5 on both sides , we get

J = 2A - 4   be equation (4)

Now ,

Substituting the values of equation (2) , equation (3) and equation (4) in equation (1) , we get

A + 2A - 4 + 2A + 1 = 7

5A - 3 = 7

Adding 3 on both sides , we get

5A = 10

Divide by 5 on both sides , we get

A = 2

Therefore , the number of hours Anthony worked is 2 hours

Now , Substituting the value of A in equation (4) , we get

J = 4 - 4

J = 0 hours

Therefore , the number of hours Josh worked is 0 hours

Now , Substituting the value of A in equation (2) , we get

D = 4 + 1

D = 5 hours

Therefore , the number of hours Dominic worked is 5 hours

Hence , The number of hours worked by Anthony , Josh and Dominic is 2 hours , 0 hours and 5 hours respectively

To learn more about equations click :

https://brainly.com/question/10413253

#SPJ2

Distance between -1.75 and 1.5 on a number line

Answers

Answer:

3.25

Step-by-step explanation:

I am glad to help you

Can any kind soul help me please​

Answers

Answer:

v=31

Step-by-step explanation:

Average speed is total distance/total time.

We can rearrange this equation to find total distance:

Distance = time x speed

Our given time is 14 hours and our average speed is 13km/h, therefore the distance travelled 14x13=182m.

On a speed-time graph, the distance is found by finding area under the line on the graph. So to find v, we can find the area for the other sections first and then use the remainder to find v.

The total distances for the other 3 sections are: 4x6 + 6x12 + 4x12 = 24+72+24=120

182-144 = 38

This means that the area of the triangle with height v-12 has an area of 38.

Area of a triangle = 1/2bh

38=1/2(4)h

38=2h

h=19

The distance between v and 12 is 19 so the full value of v is 19+12=31

v = 31

Hope this helped!

Solve the equation
4×=68
A.64
B.72
C.12
D.17

Answers

It’s D because you take 68 divided by 4 and get 17

James, Priya, and Siobhan work in a grocery store. James makes $8.00 per hour. Priya makes 20% more than James, and Siobhan makes 5% less than Priya. How much does Siobhan make per hour?

PLEASEE HELP

Answers

I think it’s approximately $9.20 per hour

during a snow storm the temp drops from o degrees to -10 degrees in 2 hours. on average, bye how many degrees is the temperature changing per hour.

Answers

Answer:

five degrees:)

Step-by-step explanation:

2 hours= -10

1 hour= half of ten

so you could say -5 or that it drops by five degrees every hour.

hope this helps!

Can someone help me
Please and thank you!!

Answers

Answer:

im pretty sure the answer is 150

Step-by-step explanation:

hope this helps <3

Answer:

150 degrees.

Step-by-step explanation:

The total number of degrees is 180. 180-30=150 degrees.

What is the slope, x-intercept, and y-intercept of -8x + 2y = 16

With a step by step

Answers

Answer:

Slope 4

X-intercept -2

Y-intercept 8

Step-by-step explanation:

The circumference of a circle can be found by multiplying Pi by the diameter True False

Answers

Answer:

True

Step-by-step explanation:

You can find the circumference by multiplying Pi and the diameter.

Answer:

True. And if you only know the radius, multiply the radius by two to get the diameter.

A flat screen television measures diagonally 40 inches and 24 inches in length. What is the width of the television?

Answers

Answer:

The width of the television is 32 inches

Step-by-step explanation:

The given parameters are;

The diagonal length of the flat screen television = 40 inches

The length of the television screen = 24 inches

The width of the flat screen television is given by Pythagoras theorem as follows;

Diagonal² = Length² + Width²

Therefore;

Width² = Diagonal² - Length² =

Width² =  40² - 24² = 1024

∴ The width = √1024 = 32

The width = 32 inches

The width of the television = 32 inches.

The third-grade teachers had a pizza party. They ordered 11 large pizzas and each pizza had 8 slices. There were 4 classrooms in the grade.

Answers

whats the question you only stated the problem

Answer:Not exactly sure what the question is but...

Step-by-step explanation:There would be 88 slices so each classroom would get 22 slices.

Hope this helps

Jody and Mark are using the spinners shown for a probability experiment. They spin the spinner on the left. If they spin a 2 and 3, then they spin the spinner on the right.

Answers

Answer:

it’s b

Step-by-step explanation:

PLZ HELP ME! I WILL GIVE BRAINLIEST!!! PLZ ONLY ANSWER IF YOU KNOW!!!

Answers

Answer:

14  28   28 22  23 19 12

Step-by-step explanation:

Answer:

7. B

8. C

9. E

10. A

11. D

Step-by-step explanation:

Part 2 - What is the equation of the line?

Answers

Answer:

y = 3x + 3

Step-by-step explanation:

Hope This Helps!

Plz Mark Brainliets!

Simplify: (6x + 3y - 1 ) -5

Answers

Answer:

6x+3y−6

Step-by-step explanation:

0=6x + 3y - 6

6x + 3y = 6

divide by 6 both sides

x + 1/2y = 1

Does x and y have a proportional relationship ?

Answers

Answer:

No there no no proportional relation ship because y is being distrubuted differently then x

Step-by-step explanation:

I need some help with geometry.

Answers

Answer:

x = 17, angle 1 and 2 = 45

Step-by-step explanation:

i think x=17 but i’m not sure
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