2 years ago

Is (1, 6) a solution to this system of equations?

Mathematics

1 answer:

Lunna [17]2 years ago

7 0

Answer:

Yes

Step-by-step explanation:

If you plug in the numbers if will prove to be right.

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A2. Find y' and y" for y^2 = x^2 + sinxy

kumpel [21]

Answer:

y' = (2x + y cosxy)/(2y + x cosxy)

Step-by-step explanation:

Using implicit differentiation:

y^2 = x^2 + sin xy

2y y' = 2x + cos xy * (xy' + y)

2y y' = 2x + xy' cos xy + y cos xy

2y y' - xy' cosxy = 2x + ycos xy

y' = (2x + y cosxy)/(2y - x cosxy)

4 0

3 years ago

So I’m doing my homework and I don’t know 3 2/3 + 5/4

vivado [14]

Answer:

4 11/12

Step-by-step explanation:

4 x 2/3 = 8/12

3 x 5/4 = 15/ 12

8/12 + 15/12 = 23/12 = 1 11/12 + 3 = 4 11/12

3 0

3 years ago

2[3x-(4x-6)]=5(x-6) Solve and answer the linear equation.

OleMash [197]

Answer: x = 6

Step-by-step explanation:

2[3x - (4x - 6)] = 5(x - 6)

2[3x - 4x + 6] = 5x - 30

2[-x + 6] = 5x - 30

-2x + 12 = 5x - 30

+2x +2x

12 = 7x - 30

+30 +30

42 = 7x

$\frac{42}{7} = \frac{7x}{7}$

6 = x

8 0

3 years ago

30°-60°-90° help me solve this please

dexar [7]

Answer:

the answer to 30-60-90=0

Step-by-step explanation:

90-60=30-30=0

4 0

3 years ago

Can someone please help me with 1-11? Brainliest answer will be awarded! :)

vovangra [49]

The most important thing that you have to know is that all angles in a triangle equals 180°

8 0

3 years ago