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Novay_Z [31]
3 years ago
13

How do I solve -5x+2y=6

Mathematics
1 answer:
Olegator [25]3 years ago
4 0
Answer:  x = (2 y)/5 - 6/5 ,  y = (5 x)/2 + 3

Solve for x:
2 y - 5 x = 6
Subtract 2 y from both sides:
-5 x = 6 - 2 y
Divide both sides by -5:
Answer:  x = (2 y)/5 - 6/5
Solve for y:
2 y - 5 x = 6
Add 5 x to both sides:
2 y = 5 x + 6
Divide both sides by 2:
Answer:  y = (5 x)/2 + 3
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Help!! i don't understand either of these :(
irga5000 [103]

Answer:

19. 15.5x8X3=372ft

C=372ft

20. 15.5x8x3=372ft

C=372ft

Hope it helped

5 0
3 years ago
1. Five more than the product of 4 and m a. 4+m+5 b. 4m+5 c.5m+4N​
iren [92.7K]

Answer:

b. 4m+5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What are the lengths of sides A and B of a right triangle if the hypotenuse is equal to 1.2 cm and the interior angles are 60 de
Natali5045456 [20]

We have been given that the hypotenuse of a right triangle is equal to 1.2 cm and the interior angles are 60 degrees, 30 degrees, and 90 degrees.

We know that hypotenuse corresponds to 90 degrees angles.

We also know that the hypotenuse is equal to twice the length of the shorter leg and shorter leg is the opposite side to 30 degree angle.  

To find the length of shorter leg, we will divide length of hypotenuse by 2.

\text{Side corresponding to 30 degree angle}=\frac{1.2\text{ cm}}{2}

\text{Side corresponding to 30 degree angle}=0.6\text{ cm}

Therefore, length of shorter leg is 0.6 cm.

We know that the longer leg, which is across from the 60 degree angle, is equal to multiplying the shorter leg by \sqrt{3}.

\text{Side corresponding to 60 degree angle}=0.6\text{ cm}\times \sqrt{3}

\text{Side corresponding to 60 degree angle}=1.039230\text{ cm}

\text{Side corresponding to 60 degree angle}\approx 1.04\text{ cm}

Therefore, length of longer leg is approximately 01.04 cm.

3 0
4 years ago
PLEASE HELP!
pochemuha

Answer:

1) c.

2) d.

Hope this helps :)

Step-by-step explanation:

5 0
3 years ago
Classify the equation 6x + 4x - 1 = 2(5x + 4) as having one solution, infinitely many solutions, or no
jok3333 [9.3K]

Answer:

no solution

Step-by-step explanation:

6x + 4x - 1 = 2(5x + 4) ← distribute parenthesis

10x - 1 = 10x + 8 ( add 1 to both sides )

10x = 10x + 9 ( subtract 10x from both sides )

0 = 9 ← not possible

this indicates the equation has no solution

8 0
2 years ago
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