1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mandarinka [93]
3 years ago
8

3x+2y=8 and x+5y=7 how do I get the answer​

Mathematics
1 answer:
photoshop1234 [79]3 years ago
8 0

Answer:

x=2

y=1

Step-by-step explanation:

\begin{bmatrix}3x+2y=8\\ x+5y=7\end{bmatrix}

3x+2y=8

3x+2y-2y=8-2y

3x=8-2y

\frac{3x}{3}=\frac{8}{3}-\frac{2y}{3}

x=\frac{8-2y}{3}

\begin{bmatrix}\frac{8-2y}{3}+5y=7\end{bmatrix}

\frac{8-2y}{3}+5y=7

\frac{8-2y}{3}\cdot \:3+5y\cdot \:3=7\cdot \:3

8+13y=21

8+13y-8=21-8

13y=13

\frac{13y}{13}=\frac{13}{13}

y=1

x=\frac{8-2\cdot \:1}{3}

x=2

y=1

You might be interested in
Are the parentheses and brackets correct
marshall27 [118]

Answer:

the range is correct

but the domain is [-3,3)

7 0
4 years ago
Read 2 more answers
the graph of y= 1/x is translated 3 units up and 2 units to the left. what is an equation of the translated graph
wel
-Move 2 units left:y=(1/x +2)
-Move 3 units up:y= (1/x +2)+3
So the equation is y= (1/x +2)+3
8 0
3 years ago
Can someone please help me with this​
vovangra [49]

Answer:

y = 5

z = 55

Step-by-step explanation:

90 - 35 = 55

z = 55

7y = 35

\frac{7y}{7} = \frac{35}{7}

y= 5

3 0
3 years ago
Translate the following sentence to an inequality. A number is no less than seven.
Gekata [30.6K]

Answer:

X <u>></u> 7

Step-by-step explanation:

X <u>></u> 7

6 0
3 years ago
Read 2 more answers
For the following right triangle, find the side length x. Round your answer to the nearest hundredth.
Aleksandr-060686 [28]

Answer:

\sqrt{113} = x

Step-by-step explanation:

In right triangles the sum of square length of two legs is equal to square length of hypotenuse:

7^2 + 8^2 = x^2

49 + 64 = x^2 add like terms

113 = x^2 find the root for both sides

\sqrt{113} = x

8 0
3 years ago
Other questions:
  • The quotient of thirty and five. Explain why?
    15·2 answers
  • 30. What is the selling price of an article that lists at $1,500 subject to discounts of 40%, 25%, and 10%? (You may use the met
    5·2 answers
  • Remove a number from the following data set so the mean is 20. <br> 10, 12, 20, 23, 25
    9·1 answer
  • 1. Solve for x. Then find the angle measures of the<br>triangle?<br>(4x)<br>(6x+55)<br>(9x+30)​
    9·1 answer
  • What is the value of x ?<br> O x=2<br> O x=3<br> O x=4<br> O x=6 <br><br> its x=3 on edgen
    5·1 answer
  • I'd appreciate it if anyone could help out as soon as possible!
    13·1 answer
  • Add.<br> -6.3+(-9.7)<br> - 6.3+(-9.7) =<br><br> (Type an integer or a decimal.)
    9·1 answer
  • The Econo Motel charges 260 for 4 nights. At that rate, how many would 7 nights cost?
    9·1 answer
  • Pl help me it’s for homework
    7·1 answer
  • The TV that Ian wants to buy costs $590, but
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!