3 years ago

What is the value of the expression 4x - y when x = 3 and y = 1

Mathematics

2 answers:

Nastasia [14]3 years ago

6 0

$12 - 1 = 11$

Leona [35]3 years ago

3 0

It’s 11
3 ( 4 ) - 1
12 - 1
11

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Can you please tell me how to solve this?

Sedaia [141]

The answer is 142°

Explanation:

angle 1 and angle 2 form are supplementary.

m∠1 + m∠2 = 180°

38° + m∠2 = 180°

m∠2 = 180° - 38°

m∠2 = 142°

Hope it helps!

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3 years ago

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Nina [5.8K]

Answer:

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2 years ago

Does the fraction 1/2 make the equation +6/6=3/2 true?

dolphi86 [110]

Answer:

Yes

Step-by-step explanation:

1/2 + 6/6

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= 3/6 + 6/6

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7 0

2 years ago

Read 2 more answers

Which ordered pair represents a solution to both equations?

katrin [286]

Answer:

(-2,1)

Step-by-step explanation:

The solution is where the two equations/lines intersect, which is at (-2,1)

7 0

3 years ago

Assume that I=E/(R+r) prove that 1/I=R/E+r/E ?

Serggg [28]

Explanation:

If $I=\frac E{R+r}$ then taking the reciprocal gives

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5 0

2 years ago