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3 years ago

Can someone help with this question? thanks

Mathematics

1 answer:

Licemer1 [7]3 years ago

7 0

Answer:

Regular: C & E

Irregular: A & B

Not a polygon: F & D

Step-by-step explanation:

A polygon is a close sided shape with no curves. Since F and D have curves they are not polygons. Regular polygons have side lengths which are all equal to each other. C and E are regular polygons. Irregular polygons are polygons whose sides have different values from each other. A and B are irregular.

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The inequality 5x - 2y + 1 > 0 is satisfied by point (-2, -1). True False

Ira Lisetskai [31]

Answer:

False

Step-by-step explanation:

5x - 2y + 1 > 0

plug in the given ordered pair x= -2 and y = -1:-

5(-2) - 2(-1) + 1

= -10 + 2 + 1

= -7 which is less than 0 therefore the answer is False

6 0

3 years ago

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Your equation:<br><img src="https://tex.z-dn.net/?f=%20%7B3%7D%5E%7B%3F%7D%20%20%5Ctimes%20%20%7B3%7D%5E%7B%3F%7D%20%20%5Cdiv%20

Alisiya [41]

3^1x3^1/3^1=3

Steps

3x1=3
3x1=3
3/3=3

Hope that helps

7 0

3 years ago

Find the price-demand equation for a particular brand television when the demand is 20 TVs per week at $150 per TV, given that t

Alina [70]

Answer:

~ $150=50e^{-0.01()20}$

~ $p(100)=\$127.7$

Step-by-step explanation:

From the question we are told that:

Price of 20TVs per week $P_{20}=\$150$

Marginal price-demand function $p'(x)=-0.5e-0.01x$

Generally the The Marginal price function is mathematically given by

$p'(x)=-0.5e^{-0.01x}$

$p(x)=\int-0.5e^{-0.01x}$

$p(x)=50e^{-0.001x}+C$

Therefore the equation when the demand is 20 TVs per week at $150 per TV

$150=50e^{-0.01()20}$

Giving

$p(x)=50e^{-0.01x}+150-50e^{-0.01(20)}$

Therefore the Price when the demand is 100 TVs per week

$p(100)=50e^{-0.01(100)}+150-50e^{-0.01(20)}$

$p(100)=\$127.7$

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2 years ago

What does infinite=/mean

givi [52]

Answer:

Infinite describes things that are endless

Step-by-step explanation:

5 0

3 years ago

Help with number 11 forgot how to do problem

Lelu [443]

The first equation can be written as:
2x = 5 + 3y

Substituting the second equation into the first equation and rearranging:
-4y - 16 = 5 + 3y
-21 = 7y
y = -3

Substituting y = -3 into the second equation:
x = -2(-3) - 8
x = -2

7 0

3 years ago

Read 2 more answers