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
Setler79 [48]
2 years ago
15

6x+7y=52×-3y=7

%20%3D%207" id="TexFormula1" title="6 \times + 7y = 5 \\ 2 \times - 3y = 7" alt="6 \times + 7y = 5 \\ 2 \times - 3y = 7" align="absmiddle" class="latex-formula">
​

Mathematics
2 answers:
svetoff [14.1K]2 years ago
8 0

Answer:

x=2; y=-1

Step-by-step explanation:

Hello,

(1) 6x+7y=5

(2) 2x-3y=7

We multiply equation (2) by 3, it gives

6x-9y=21 and we subtract from (1)

6x-9y-6x-7y=-16y=21-5=16

So y = -1

we replace in (1) 6x-7=5 <=> 6x=7+5=12 <=> x =12/6=2

thanks

Leviafan [203]2 years ago
8 0

Answer:

X = 79/36

Y = -7/6

Step-by-step explanation:

You might be interested in
The theater class production is 75 minutes long. In the production, Leo is on stage for 48% of the 75 minutes. How many minutes
erastova [34]

Answer:

36 minutes is the answer!

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which of the following is the standard form of 36 / 24​
RSB [31]

Answer:

15 x 10^-1

Step-by-step explanation:

36÷24=1.5

In this case I'm considering 15 as the base of my standard form.

To make 15 a 1.5, you'll have to move from right to left one unit and on the number line moving from the right to left gives you a negative number of units moved

8 0
2 years ago
Two sides of an isosceles triangle measures 26 and 10. What is the possible value of the third side?
spin [16.1K]

The third side of the triangle is 26.

Explanation:  

Given:

Two sides of the isosceles  triangle are 26 and 10.  

To Find:

The possible value of the third side

Solution:

Definition of Isosceles  triangle:

An isosceles triangle is a triangle with (at least) two equal sides. Isosceles triangle  has both two equal sides and two equal angles.

We also know the property of the triangle that  

Sum of two sides of triangle > third side of the triangle  

Case1. When third side is 10

Thee third side can’t be equal to 10 because it does not follow the rule of triangle  

10+10>26………which is  not possible

So the third side of the isosceles triangle is 26.

7 0
3 years ago
Piz help me fast asap thx​
Effectus [21]

Answer:

y= 7703.5

Step-by-step explanation:

multiply 7100 by 1.085

5 0
3 years ago
What is an ecosystem
klemol [59]
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows. ... Ecosystems are controlled by external and internal factors.
4 0
2 years ago
Read 2 more answers
Other questions:
  • An animal food company must produce 200kg. Of a
    14·1 answer
  • The nutrition information on the cereal box says that a 1/2 cup serving provides 120 calories and 9 grams of dietary fiber. At t
    14·1 answer
  • If y varies inversely with x, and y = -16 when x = -64, what is the constant of variation?
    15·2 answers
  • ginny has two vegetable gardens. in the first garden ginny grows tomatoes every 2 years. in the second garden ginny grows tomato
    6·1 answer
  • - 2/5(20x -15) can you plz help me
    11·2 answers
  • I need to know which of these answer choices are correct.
    14·1 answer
  • HELPPPPP PLZZ 75 points Write a polynomial function
    6·1 answer
  • IM bad at algebra so please helpppp......
    6·1 answer
  • A
    11·1 answer
  • An airplane at T(80,20) needs to fly to both U(20,60) and V(110,85). What is the shortest possible distance for the trip?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!