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3 years ago

Which polygon appears to be regular?

Mathematics

1 answer:

ivolga24 [154]3 years ago

5 0

Answer:

Figure A

Step-by-step explanation:

A regular polygon has all sides the same length and all angles the same measure. Only Figure A matches that description.

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Solve for x round to nearest tenth

yawa3891 [41]

Answer:

33.3

Step-by-step explanation:

tan A = opp/adj

tan 39° = 27/x

x tan 39° = 27

x = 27/(tan 39°)

x = 33.3

5 0

3 years ago

Please show work and help!!

grandymaker [24]

A.25
Work:
-5x-5=25
Hope his helps.

4 0

3 years ago

Read 2 more answers

(ASAP)help me with this...(A rectangle with length 600 cm and perimeter 22 m. find the width) and show your work please.

Natasha2012 [34]

If you are saying the perimeter is 600m and the length is 22m then,
22 multiplied by 2 = 44 both side lengths
600 - 44= 556m
556m divided by 2 = 278
The width is 278m

6 0

3 years ago

Round 0.584 to the nearest tenth

gogolik [260]

0.584 has an 8 in the hundredths place, which is five or above, so we round up to

Answer: 0.6

6 0

3 years ago

Solve 5n^2=5 with the quadratic formula

Yanka [14]

Answer:

n = 1

Step-by-step explanation:

First, rearrange the equation to standard form 0 = ax² + bx + c, when everything equals 0.

5n² = 5

5n² - 5 = 0

State the variables a, b and c.

a = 5; b = 0; c = -5

Substitute a, b, and c into the quadratic formula.

$n = \frac{-b ±\sqrt{b^{2}-4ac} }{2a}$

$n = \frac{-0 ±\sqrt{0^{2}-4(5)(-5)} }{2(5)}$ Substitute

$n = \frac{\sqrt{100} }{10}$ Simplify inside the √ and bottom

$n = \frac{10}{10}$ Simplify the top

$n = 1$ Final answer

Therefore the solution is n = 1.

The quadratic formula usually is written with x, but it can be solved with any variable in standard form.

3 0

3 years ago