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Makovka662 [10]
3 years ago
11

Which polygon has four sides, two sets of parallel sides, and sides that are not all equal?

Mathematics
2 answers:
Liula [17]3 years ago
6 0
The answer to this question is B
Murljashka [212]3 years ago
6 0
Hey there!

<span>Which polygon has four sides, two sets of parallel sides, and sides that are not all equal?

Answer:
A rectangle has four sides, two sets of parallel sides, and sides that are not equal.

If you look at a picture of a rectangle, you would be able to see that 2 sides are not equal, and the other 2 sides are the same.

Hope this helps
Have a great day (:

</span>
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A number to the 9th power divided by the same number to the 6th power equals 64. What is the number?
Vika [28.1K]
Use an equation:
x^9/x^6=64
x^(9-6)=64
x^3=64
x=4

note that x^9 means "x to the power of 9", same with other ones

the number is 4.
5 0
3 years ago
Select all the expressions that are equivalent to 4-3.
Leviafan [203]

Answer:

See below.

Step-by-step explanation:

4*-3

A) -12

C) 2*-6

-hope it helps

3 0
2 years ago
......................help
AURORKA [14]

Answer:

50.528º

Step-by-step explanation:

tanA = BC/BA

tanA = 17/14

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3 0
3 years ago
A car traveling 65 mph leaves 25 ft skid mark. What is the ratio of the speed (mph) to the lenght of skid marks (ft) give you an
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The answer is 13:5 I did this by dividing the numbers by a common factor
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3 years ago
Verify sin^4 x - sin^2 x = cos^4 x - cos^2 x is an identity
Citrus2011 [14]

Answer:

(identity has been verified)

Step-by-step explanation:

Verify the following identity:

sin(x)^4 - sin(x)^2 = cos(x)^4 - cos(x)^2

sin(x)^2 = 1 - cos(x)^2:

sin(x)^4 - 1 - cos(x)^2 = ^?cos(x)^4 - cos(x)^2

-(1 - cos(x)^2) = cos(x)^2 - 1:

cos(x)^2 - 1 + sin(x)^4 = ^?cos(x)^4 - cos(x)^2

sin(x)^4 = (sin(x)^2)^2 = (1 - cos(x)^2)^2:

-1 + cos(x)^2 + (1 - cos(x)^2)^2 = ^?cos(x)^4 - cos(x)^2

(1 - cos(x)^2)^2 = 1 - 2 cos(x)^2 + cos(x)^4:

-1 + cos(x)^2 + 1 - 2 cos(x)^2 + cos(x)^4 = ^?cos(x)^4 - cos(x)^2

-1 + cos(x)^2 + 1 - 2 cos(x)^2 + cos(x)^4 = cos(x)^4 - cos(x)^2:

cos(x)^4 - cos(x)^2 = ^?cos(x)^4 - cos(x)^2

The left hand side and right hand side are identical:

Answer:  (identity has been verified)

3 0
3 years ago
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