3 years ago

Help me !! With number 3! I’ll mark you brainly

Mathematics

1 answer:

____ [38]3 years ago

6 0

Answer:

2 A. Exponential Expression.

2 B. Linear.

3 A. Linear.

3 B. Exponential Expression.

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An equivalent expression for sin x is?<br><br>(please answer with steps)

Anestetic [448]

Answer:

Step-by-step explanation:

Using the trigonometric identity

sin2x = 2sinxcosx

That is the angle on the right side is half the angle on the left, thus

sinΘ = 2sin( $\frac{1}{2}$ Θ )cos( $\frac{1}{2}$ Θ ) → b

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3 years ago

an internet passcode consists of a digit followed by a letter, followed by another digit. Assuming the digits are 0-9, how many

anyanavicka [17]

There are 10 single-digits (0 through 9) and 26 letters (A through Z)

For the first slot there are 10 choices which represents selecting a single digit
For the second slot there are 26 choices because we choose a single letter here.
Finally there are another 10 choices for the third slot (assuming repeats are allowed)

Multiply the values out: 10*26*10 = 260*10 = 2600

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3 years ago

Which of the following is the correct ordered pair when (-3,1) is rotated 270 degrees clockwise?

blsea [12.9K]

Answer:

(-1,-3)

Step-by-step explanation:

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3 years ago

<img src="https://tex.z-dn.net/?f=461%20%5Cdiv%201.1." id="TexFormula1" title="461 \div 1.1." alt="461 \div 1.1." align="absmidd

Zina [86]

Answer:

$\large\boxed{19\dfrac{17}{20}}$

Step-by-step explanation:

$\text{First step:}\\\\\text{Find LCD}\ (Least\ Common\ Denominator)\\\\LCD=20\\\\4\cdot5=20\\5\cdot4=20\\\\\dfrac{1}{4}=\dfrac{1\cdot5}{4\cdot5}=\dfrac{5}{20}\\\\\dfrac{3}{5}=\dfrac{3\cdot4}{5\cdot4}=\dfrac{12}{20}\\\\9\dfrac{1}{4}+10\dfrac{3}{5}=9\dfrac{5}{20}+10\dfrac{12}{20}=(9+10)+\dfrac{5+12}{20}=19\dfrac{17}{20}$

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3 years ago

3x+9+4x+x= <br> 3x+9+4x+x=

Makovka662 [10]

Answer:

-9/8

Step-by-step explanation:

3x + 9 + 4x + x

Collect like terms

3x + 4x + x = -9

8x = -9

Divide both sides by 8

8x/8 = -9/8

x = -9/8

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3 years ago