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maxonik [38]
3 years ago
15

Domain in interval notation please

Mathematics
2 answers:
Scrat [10]3 years ago
7 0

Answer:

[-7, negitive infinity]

[-2, positive infinty]

Step-by-step explanation:

HOPE THIS HELPS!

Brainliest...

weqwewe [10]3 years ago
4 0

Answer:

[-7,-∞) U [-2,∞)

Step-by-step explanation:

x ≤ -7 and x ≥ -2

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HELP PLEASE! AND IF YOU COULD PLEASE EXPLAIN IM CONFUSED
Damm [24]

In the given triangle, y = 32°.

Step-by-step explanation:

Step 1; In the given triangle, the opposite side has a length of 9cm while the hypotenuse of the triangle measures 17cm. As we have the lengths of the opposite side and the hypotenuse side, we can calculate the sine of the value y.

sin y = \frac{oppositeside}{hypotenuseside}.

Step 2; Length of the opposite side = 9 cm.

Length of the hypotenuse side = 17 cm.

sin y = \frac{oppositeside}{hypotenuseside} = \frac{9}{17} = 0.5294.

We can multiply inverse sine on both sides to solve y.

y = sin^{-1} (0.5294) = 31.9657°.

Rounding this off to the nearest tenth we get, y = 32.0°.

6 0
3 years ago
What is 4 tens and 6 tenths as a decimal
Aleksandr [31]

Answer 4.6

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
In which of the number lines does the plotted point represent a number greater than -1 1/2? Check all that apply.
Nikitich [7]

Hi!

The first number line is equals to -1\frac{1}{2}

The second number line is equals to \frac{-1}{2}

The third number line is equals to -2\frac{1}{2}

The fourth number line is equals to 2

The fifth number line is equals to 0

The sixth number line is -2\frac{3}{4}

The answer is; second, fourth and fifth number lines.

<em></em>

<em>I hope, I could help.</em>

<em>Wish Good Lessons! ^-^</em>

6 0
3 years ago
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Sec theta - Csc theta / (csc theta)(sec theta)
Sophie [7]

Answer:

sin(x)-cos(x)

Step-by-step explanation:

\frac{\frac{1}{cos(x)} - \frac{1}{sin(x)}  }{\frac{1}{sin(x)} * \frac{1}{cos(x)}  }

Simplify the denominator:

\frac{\frac{1}{cos(x)} - \frac{1}{sin(x)}  }{\frac{1}{cos(x)sin(x)}  }

Simplify the numerator:

\frac{{\frac{2(sin(x)-cos(x))}{sin(2x)} }  }{\frac{1}{sin(x)} * \frac{1}{cos(x)}  }

Divide the fractions: <u>(a/b)/(c/d) = (a * d)/(b * c)</u>:

\frac{(-cos(x)+sin(x))*2cos(x)sin(x)}{sin(2x)}

Use the identity: <u>2cos(x)sin(x) = sin(2x):</u>

\frac{sin(2x)(-cos(x)+sin(x))}{sin(2x)}

Cancel out the common factor (sin(2x)):

-cos(x) + sin(x)

Simplify:

sin(x) - cos(x)

3 0
3 years ago
Read 2 more answers
Please anybody help me with this question
inn [45]

Answer:

y = 12

Step-by-step explanation:

Divide both by 1/4

x = 1 when y = 32/3

When x = 1 1/8 = 9/8

y = 32/3 x 9/8

y = 12

6 0
3 years ago
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