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vivado [14]
3 years ago
11

20+20+??? a. 80 b. 20 c .40 d. 100

Mathematics
2 answers:
sattari [20]3 years ago
5 0

Answer:

c .40

Step-by-step explanation:

Novosadov [1.4K]3 years ago
3 0

Answer:

c .40

Step-by-step explanation:

because we all now that 20+20 is the same as 20×2 which gives us 40

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Can an octagon have interior angles that measure 100 degrees, 156 degrees, 125 degrees, 90 degrees, 175 degrees, 160 degrees, an
worty [1.4K]

9514 1404 393

Answer:

  yes

Step-by-step explanation:

The 7 angles listed have a total of 946 degrees. The total interior angle measure in an octagon is 1080 degrees. So, the remaining angle must have a measure of 134°. The figure is entirely feasible.

4 0
2 years ago
The length of a rectangular rug is 6 ft. more than the width. The perimeter is 40ft. find the length and the width of the rug.
Irina18 [472]
Width = 7ft
length = 13ft
7 0
3 years ago
Read 2 more answers
HELP WILL GIVE BRANLIEST!
Natali5045456 [20]

Answer:

Since it is vertical angles, 4x - 12 = 88.

Answer is 25

Step-by-step explanation:

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6 0
3 years ago
(5x-2)^2 help asap pleaseee
omeli [17]

Answer:

25x² − 20x + 4

Explanation:

(5x − 2)²

= (5x + −2)(5x + −2)

= (5x)(5x) + (5x)(−2) + (−2)(5x) + (−2)(−2)

= 25x² − 10x − 10x + 4

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5 0
3 years ago
A note has a wavelength of 0.77955 m. If the speed of sound is 343.00 m/s, what pitch is this note?
andrezito [222]

Answer:

A note has a wavelength of 0.77955 m. If the speed of sound is 343.00 m/s, what pitch is this note?

f = (343m/s) / 0.77955m = 439.997 0r 440 Hz Pitch is an A.

Step-by-step explanation:

3 0
3 years ago
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