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abruzzese [7]
4 years ago
14

How do you find the domain

Mathematics
1 answer:
pychu [463]4 years ago
4 0

Answer:

The domain of a is x does not equal 3 or -3

Step-by-step explanation:

In order to solve this equation, we need to set the denominator equal to 0, which we know it cannot be, and solve to see which x should not be in the domain.

1 - e^(9 - x^2) = 0

1 = e^(9 - x^2)

ln1 = lne^(9 - x^2)

0 = 9 - x^2

x^2 = 9

x = 3 or -3

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In radian measure, the angles of a 45-45-90 triangle are:
jeka94

Answer:

The answer is the option A \frac{\pi}{4},\frac{\pi}{4},\frac{\pi}{2}

Step-by-step explanation:

we know that

The measure of \pi radians is equal to 180\°

so by proportion

Find the measure in radians of  45\°

\frac{\pi}{180}\frac{radians}{degrees}=\frac{x}{45}\frac{radians}{degrees}\\ \\x=(45/180)*\pi \\ \\x=\frac{\pi}{4}

Find the measure in radians of  90\°

\frac{\pi}{180}\frac{radians}{degrees}=\frac{x}{90}\frac{radians}{degrees}\\ \\x=(90/180)*\pi \\ \\x=\frac{\pi}{2}

therefore

In radian measure the angles are

\frac{\pi}{4},\frac{\pi}{4},\frac{\pi}{2}

8 0
3 years ago
Read 2 more answers
30 times 4 times the ten power of three
rosijanka [135]

Answer =7085760

Step-by-step explanation:

Use order of operations and evaluate the exponent first

30*4*3^{10}

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30*236192

=7085760

3 0
2 years ago
Read 2 more answers
Geometry please help!
o-na [289]

Answer:

x = 3

Step-by-step explanation:

Angle S and Angle T are consecutive interior angles. Therefore, we know that T + S = 180°.

First, we need to solve for T, and since angles S and T are consecutive interior angles, we know that T + S = 180°. If we reorganize the equation to include the things we know (S = 105°), then we get 180° - 105° = 75°. So T is 75°.

Now, we use T = 75° and the information given to us in the picture to set up an equation. 75 = 24x + 3. Now, we can find x by isolating it. Do this by:

1) Subtracting 3 from both sides to give you 72 = 24x. We do this to get rid of the 3 from the "x side", but we must also do it to the other to keep the equation true. This moves the 3 from the "x side" to the other since we're trying to isolate x.

2) Divide 24 by both sides to get 3 = x. We use the same logic as we did for 3, except this time we divide since that's the opposite of multiplying.

In conclusion, x = 3.

6 0
2 years ago
Which expression is equivalent to ( 7^-2 x 3^5 ) ^-2
finlep [7]

The answer is 7^4 / 3^10.

8 0
2 years ago
Help me do the rest somebody pleaseeeeee
Len [333]

Answer:

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3 years ago
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