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deff fn [24]
3 years ago
15

15 cm 15 cm 16 cm 20 cm 57 cm What is the perimeter of the polygon?

Mathematics
1 answer:
Natasha2012 [34]3 years ago
6 0

Answer:

C.

Step-by-step explanation:

15 x 16=240 x 2= 480

57 x 20= 1140

1140 + 480 = 1620

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An airplane is flying at 350 ​km/h in a direction of 349 degrees. Find the westerly and northerly components of its velocity.
Oksi-84 [34.3K]

Answer: 350km/h,349

Step-by-step explanation:Find the exact value using tringometric  identities

5 0
4 years ago
The current in a simple electric circuit varies inversely as the resistance. If the current is 20amps when the resistance is 5 o
IrinaVladis [17]

Answer:

0.5amps

Step-by-step explanation:

I is inversely proportional to resistance

I = k/R

k = I/ R

k = 20/5

k = 4

This means that, I = 4/R

So, when R = 8ohms,

I = 4/8

 =0.5amps

3 0
3 years ago
It takes Olivia 12.5 minutes to swim 20 laps around the pool what's Olivia's unit rate
Tom [10]

Her swimming rate can either be written as 1.6 laps per (one) minute or as 0.625 minutes per lap = 37.5 seconds per (one) lap.
In terms of number of laps per minute, the answer is
20
laps
12.5
minutes
=
1.6
laps per minute.

In terms of the number of minutes per lap, the answer is
12.5
minutes
20
laps
=
5
8
=
0.625
minutes per lap. This is the same as
0.625
min
lap
⋅
60
sec
min
=
37.5
sec
lap

The faster she goes, the more laps she can do in a minute and the fewer minutes (or seconds) it takes her to do one lap.
6 0
3 years ago
What is the value of the expression 10 + (fraction 1 over 2)4 ⋅ 48?
Rashid [163]

Answer:

i think you wrote the equation wrong because the answer is 106

Step-by-step explanation:

10+(1/2)4x48 solve using system of equations

multiplying is first (1/2)x4=2

10+2x48

multiply again 2x48=96

10+96=106

6 0
3 years ago
What are the roots of 3x + 10 = 4x?
Kamila [148]

Answer:

shiiii I think its b. XD

Step-by-step explanation:

4 0
4 years ago
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