solve the equation
5x+4y=58xy.........
3x+7y=67xy.........

Answers

Answer 1

Answer:

x = 6, Y =7

Step-by-step explanation:

if you need explanation please ask in the comments .....I will edit the answer


Related Questions

a) The card states that it makes 60 cookies. How much flour is required for 30 people?
b) The card states that it makes 60 cookies. How much salt is required for 30 people?​

Answers

Answer:

assuming each person gets one cookie

a 1 1/4 C

b 3/8 tsp

Step-by-step explanation:

divide recipe in half

a 2.5/2=1.25

b 3/4 ÷ 2 ; rewrite to 6/8 ÷2 = .375

Help me please!!!!

In a car race, for every mile covered by car A, car B covered 4 miles. The ratio of the number of miles covered by car A to the number of miles covered by car B is ___.

1 to 1
4 to 4
4 to 1
1 to 4

Answers

Answer:

1 to 4

Step-by-step explanation:

I don't think u want the explanation

A dog eats .5 of a pound of food every 50 minutes, at this rate how many pound will the dog have eaten after 200 minutes

Answers

The dog eats 2 pounds of food in 200 minutes. I got this: Since the dog eats .5 every 50 minutes, and you need to find how much he eats in 200, you have to do 200 divided by 50 first. The answer to that would be 4, so you would multiply 4 by the amount of food he eats in 50 minutes (.5), and get the answer of 2. Please correct me if I am wrong :)

The number of rate eaten by dog after 200 minutes: 2 pounds

What is ratio & proportion ?

A ratio is a divisional comparison of two quantities. It uses a fraction or quotient to represent the relationship between two numbers or quantities. For instance, we can describe the ratio 3:5 or the fraction 3/5 if we declare that there are 3 guys for every 5 ladies in a classroom.

Contrarily, the proportion equation declares that two ratios are equivalent. We can utilise proportion to solve problems with unknown amounts if we have two ratios that are equivalent.

We can use proportion to solve this problem:

If a dog eats 0.5 pound of food every 50 minutes, then in 1 minute, the dog will eat 0.5/50 = 0.01 pound of food.

Therefore, in 200 minutes, the dog will eat 0.01 x 200 = 2 pounds of food.

So the dog will have eaten 2 pounds of food after 200 minutes.

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square root of complex no. a+bi.....please answer it fast i m waiting​

Answers

Step-by-step explanation:

[tex](x { }^{2} - {y}^{2} ) {}^{2} = ( {x}^{2} + y {}^{2} ) {}^{2} - 4x {}^{2} y {}^{2} [/tex]

I need help please thankyou ​

Answers

Answer:

12 candy pieces per package.

Step-by-step explanation:

Rate of change is the change in y over the change in x. The change in y based on the plotted points is 12, and the change in x is just 1. So, 12/1=12.

The diagram shows the graph of y=2x+c
Find the value of k

Answers

Answer:

can you add the photo

Step-by-step explanation:

Answer:

Value of K:

K=6.5

Step-by-step explanation:

Checking Your Understanding
Quick
Check
There are 6 boys and 12 girls on a soccer team.
This ratio correctly describes the relationship between boys and girls on the soccer team

Answers

the ratio is - 6:12
(6 boys, 12 girls)

Answer:

There are 6 boys and 12 girls on a soccer team.

This ratio correctly describes the relationship between boys and girls on the soccer team:  

✔ For every 6 boys, there are 12 girls.

Step-by-step explanation:

Plz mark me as Brainlist

The table represents the function f(x)=3x-1.

Answers

Answer: y = 3x-1

Step-by-step explanation:

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Mathematics Diagnostic Assessment
1
Todd forgot the first two numbers of his locker combination. The numbers can be any number 1 through 6. What is the
probability that he will guess the first number correctly and the second number incorrectly?
OA.
OB.
O C.
கான்
OD.
Reset
Submit
Submit

Answers

Answer: 16.67% for question 1

83.33% for question 2

Step-by-step explanation:

1/6 as a percent is 16.67% because the is only 1 correct number

5/6 as a percent is 83.33% because there is 5 wrong numbers

Answer:

Step-by-step explanation: 1/36

Which of the following numbers is a factor of 55?

Choose 1 answer:

Choose 1 answer:


(Choice A)

A

6


(Choice B)

B

3


(Choice C)

C

5


(Choice D)

D

7

Answers

Answer:

Choice C: 5

Step-by-step explanation:

55 is a composite number. 55 = 1 x 55 or 5 x 11. Factors of 55: 1, 5, 11, 55. Prime factorization: 55 = 5 x 11 it should be 5 if 11 isn't an option to

Which is the solution of the quadratic equation (4y - 3)2 = 12?

Answers

Answer:

(4y - 3)2 = 72?y3 +/Z and yy=3-6/243+62y=and y=-3 – 6/2440y=9/… ... 12 POINTS!! 2. (2, 0) and (0, 3) The equation for these ordered pairs is ...

1 answer

Step-by-step explanation:

The points on a section of an exam is given by the function fx, where x is the number of questions answered correctly in that section. If f12=18, then a test-taker receives 18 points for answering _____ questions in the section correctly.

Answers

Answer: 12

Step-by-step explanation:

Given the function :

f(x),

x is defined as the number of questions answered correctly in a certain section.

Thus given that the function; f(12) = 18 means a test-taker receives 18 points for answering x questions in the section correctly

The number of correct questions will be :

Compare ;

f(x) = f(12)

Hence ; x = 12 = number of questions answered correctly in the section.

The total cost of 5 doughnuts and 6 cookies at a bakery is $11.95.The cost of each cookie is $0.95.Select the equation and its solution that can be used to determine the cost,x, of 1 doughnut.

Answers

The equation for the situation is [tex]5x+6(0.95)=11.95[/tex]

The solution to the equation is [tex]x=1.25[/tex]

First, you must set up the equation.

[tex]5x+6(0.95)=11.95[/tex]

Then, you must simplify the terms.

[tex]5x+5.7=11.95[/tex]

Next, subtract 5.7 on both sides.

[tex]5x=6.25[/tex]

Finally, divide 5 on both sides

[tex]x=1.25[/tex]

The cost of each doughnut is $1.2 and the equation is 5(0.95) + 6x = 11.95 if the total cost of 5 doughnuts and 6 cookies at a bakery is $11.95.

What is a linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

The total cost of 5 doughnuts and 6 cookies at a bakery is $11.95.The cost of each cookie is $0.95.

The cost of 1 doughnut is x.

Total cost = $11.95

Total cost = 5(0.95) + 6x

11.95 = 5(0.95) + 6x

Or

5(0.95) + 6x = 11.95

After solving

x = $1.2

Thus, the cost of each doughnut is $1.2 and the equation is 5(0.95) + 6x = 11.95 if the total cost of 5 doughnuts and 6 cookies at a bakery is $11.95.

The options are:

6(0.95) + 5x = 11.95

5(0.95) - 6x = 11.95

5(0.95) + 6x = 11.95

5(0.95) + 6(11.95) = x

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Write an equation with an exponent for 39mm=0.039

Answers

Answer:

An equation would be 39 divided by 10^3= 0.039

Step-by-step explanation:

Hope this helps!! ;-)

(2/5) x ( - 5/4) Can someone please help me

Answers

answer would be -1/2

A wire is bent to form semi circles as shown below. How long is the wire? Use 3.14 for pi and round your answer to the nearest hundredth if necessary
4 semi circles and the diameter is 41

Answers

Answer:  257.48 cm

======================================================

Explanation

Those 4 semicircles can be joined to form 4/2 = 2 full circles.

Each circle has diameter 41 cm.

Let's find the circumference of one circle

C = circumference, d = diameter = 41, pi = 3.14

C = pi*d

C = 3.14*41

C = 128.74

That's the perimeter of one full circle. Double it to get

2*128.74 = 257.48 cm

Which is the total length of the wire.

The product of 5 and x decrease by 7 is as much as 42.

Answers

5(x)-7 5(9.8)-7 49-7 42

Which one is it? I really need help.​

Answers

Answer:

-144ft below sea level

Step-by-step explanation:

It is a linear equation. Written as y=14x-270. So what you do is substitute x for 9,

y=14(9)-270

y=126-270

y=-144

Answer:

I think the answer is A. The submarine was 144 feet below sea level(-144) after 9 minutes.

Step-by-step explanation:

This is how i got me answer:

z=9

14 x 9 = 126

-270 + 126 = -144

Which expression can be written as 2 • (4 + 9)?
A. 2 • 9 + 4
B. 2 • 4 + 9
C. (2 • 4) + (2 • 9)
D. (2 + 4) + (2 + 9)

Answers

Answer:

C

Step-by-step explanation:

the answer is C ;)))))))

think you could help i don't understand

Answers

Answer: it is the alphabet

U need to do the Distribution

-8n - 8 = -72 what is the answer

Answers

Answer:

8

Step-by-step explanation:

[tex]-8n - 8 = -72\\-8n = -72 + 8\\-8n = -64\\n = 8[/tex]

Answer: 8

Step-by-step explanation:

Multiplying both sides by -1, we get:

8n + 8 = 72

8n = 72-8

8n = 64

n = 64/8 = 8.

On a coordinate plane, a line goes through (0, negative 3) and (2, 2). A point is at (2, negative 3).
Complete the statements about finding the equation of the line that is parallel to line n and passes through point (2, –3).

The slope of the graphed line is
.
The slope of the parallel line is
.
An equation that can be used to find the y-intercept of the parallel line is
.
The y-intercept of the parallel line is
.
The equation of the parallel line is
.

Answers

Answer:

5/2,     5/2,     -3= (5/2)(2)+b,     -8,     y=(5/2)x-8

Step-by-step explanation:

Answer:

The slope of the graphed line is  

✔ 5/2

.

The slope of the parallel line is  

✔ 5/2

.

An equation that can be used to find the y-intercept of the parallel line is  

✔ –3 = (5/2)(2) + b

.

The y-intercept of the parallel line is  

✔ –8

.

The equation of the parallel line is  

✔ y = (5/2)x – 8

.

Step-by-step explanation:

Simplify 5⁶/5³
A. 5³
B. 5²
C. 1³
D. 1²​

Answers

Answer:

d

Step-by-step explanation:

Answer:

A. 5^3

Step-by-step explanation:

5^6 = 15625

5^3 = 125

15625/125 = 125

if f(x)=7x+2, evaluate f(x+1)-f(x)

Answers

Answer would be 7 ))

Find 4,290 + 3,602. Explain how to use mental math to solve.

Answers

answer: 7892

explanation: add each number individually left to right. 4+3 , 2+6 , 9+0 , 0+2

PLEASE HELP, trying to do this escape room level and i have no clue what to do.

Answers

Answer:

6688

Step-by-step explanation:

I think, I hope!

The correct sequence for the numbers that are given will be:

64084608084608468064

How to depict the numbers?

It can be seen that from the information given, a number has been attached to each diagram. This will be used in answering the questions given.

Therefore, the correct sequence for the numbers are given will be 6408, 4608, 0846, and 8064.

Learn more about sequence on:

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2(x+9)-4=68 pls help me 60 points!!!!

Answers

Answer:

x=27

Step-by-step explanation:

2x+18-4=68

2x+18=72

2x=54

x=27

I hope this helps even the slightest!

Please mark brainliest!

27 sandwiches using 12 pounds

Answers

If wanted to know how many pound is in each sandwich you divide 27 and 12 and your answer would be 2.25
I hope this will help

What is the degree of the following polynomial: 5x7+4x5-3x4+2x3-4x+10?

Answers

Answer:

20

Step-by-step explanation:

7+5+4+3+1=20

the degree of the polynomial is 20

1. Anthony's team won the basketball game, scoring seventy-two points.The
other team only scored fifty-five points. Anthony scored 12 of those points, and
the six other players each scored the same number of points.How many points
did each of his teammates score?

Answers

Because Anthony’s team scored 72 points and Anthony scores 12 of those, that would be 72 - 12 = 60. Now if all of his teammates scored the same amount of points, you would divide 60/6 and get 10 points per Anthony’s teammates. Hope this helps!
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