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3 years ago

PLEASE HELP MATH

Mathematics

2 answers:

Novosadov [1.4K]3 years ago

7 0

I believe C is your answer.
I hope this helps!

levacccp [35]3 years ago

3 0

$\frac{25}{100} \times 100000 = 25000$
so the answer is c. $25,000

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Find the range of the following piecewise function.

Olegator [25]

Answer:

None of the Above

Step-by-step explanation:

The range is [2, ∞) excluding (2, 7) and [11, 16). No part of the piecewise function will give f(x) = 5, for example.

8 0

3 years ago

How many 3/4 -centimeter cubes do you need to create a cube with an edge length of 12 centimeters?

zzz [600]

To make a LINE that is 12 cm long, you'd need (12 / .75) cubes or sixteen cubes.
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3 years ago

Find the product of the complex numbers (-5+ 8i) and (3 - 8i)

Liula [17]

Answer: 49+64i

Step-by-step explanation:

Concept to know:

i=√-1

i²=-1

i³=-i

$i^{4}$ =1

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(-5+8i)(3-8i)

=-15+40i+24i-64i²

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Hope this helps!! :)

Please let me know if you have any question or need further explanation

7 0

4 years ago

Solve for this please show work tysm

dalvyx [7]

Answer:

P1= -2/3

P2= -10/3

Step-by-step explanation:

take the sq rt of both sides and use both + and - roots

3P+6=4

3P+6=-4

subtract 6 from both sides for each one

3P=-2

P=-2/3

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P= -10/3

8 0

2 years ago

What is the area of a sector with a central angle of 108 degrees and a diameter of 21.2 cm?

Rasek [7]

Answer:

$105.84\ cm^2$

Step-by-step explanation:

step 1

Find the area of the circle

The area of the circle is

$A=\pi r^{2}$

we have

$r=21.2/2=10.6\ cm$ ----> the radius is half the diameter

substitute

$A=\pi (10.6)^{2}$

$A=112.36\pi\ cm^2$

step 2

Find the area of a sector

Remember that

The area of the circle subtends a central angle of 360 degrees

using proportion

Find out the area of a sector with a central angle of 108 degrees

$\frac{112.36\pi}{360^o}=\frac{x}{108^o}\\\\x=112.36\pi(108)/360\\\\x=33.708\pi\ cm^2$

assume

$\pi=3.14$

substitute

$33.708(3.14)=105.84\ cm^2$

7 0

3 years ago