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Dennis_Churaev [7]
2 years ago
15

If the measure of angle 2 is 120 degrees, find the measure of angle 4.

Mathematics
1 answer:
Alla [95]2 years ago
8 0

Answer:

60 degrees

Step-by-step explanation:

1+<2=180

<1+120=180

<1=180-120

<1=60

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Find the inverse function for f(x)=sqrt2x-6 picture below
Olenka [21]

Answer:

y = (x^2 + 6) / 2

Step-by-step explanation:

Original function: \sqrt{2x - 6}

To find the inverse of a function we have to switch the x and y values and solve for y again

x = sqrt (2y-6)

To get rid of a square root we square the square root so:

x^2 = 2y-6

Add 6

x^2 + 6 = 2y

Divide by 2

y = (x^2 + 6) / 2

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3 years ago
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3 years ago
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jonny [76]
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5 0
3 years ago
If P = 2l + 2w, the formula to find w is .<br> If P is 30 units and l is 10 units, w is units.
Helen [10]

Answer:

<u>If P is 30 units and l is 10 units, w is 5 units</u>

Step-by-step explanation:

1. Let's check the information given to resolve the question:

P = 2l + 2w

If P is 30 units and l is 10 units, w is units

2. Replacing with the values:

P = 2l + 2w

30 = 2 (10) + 2w

30 = 20 + 2w

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-2w = - 10

2w = 10 (Multiplying by - 1 at both sides)

<u>w = 5 (Dividing by 2 at both sides)</u>

<u>If P is 30 units and l is 10 units, w is 5 units</u>

<u>Note: Same answer than question 13938258</u>

4 0
3 years ago
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