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stellarik [79]
3 years ago
11

Math expert in polygon angle​

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
3 0

Answer:

50°

Step-by-step explanation:

The internal angles on a quadrilateral sum to 360.

So x+10+2x+x+3x=360

7x+10=360

7x=350

x=50

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Can a rational number be subtracted by a irrational number an equal a rational number?
vladimir2022 [97]

Answer:

No

Step-by-step explanation:

The sum of a rational number and an irrational number is irrational.

4 0
3 years ago
PLEASE HELP (WILL NAME BRAINLYEST)
ira [324]

Answer:

4.04 x 10^0 people/km^2 (x 10^0 is fairly redundant but if the answer is required in standard form then include it)

Step-by-step explanation:

Population Density = Population/Area

= 3.11 x 10^7 / 7.69 x 10^6

= 31,100,000 / 7,690,000

= 3110 / 769

= 4.04

= 4.04 x 10^0

7 0
3 years ago
A manufacture inspects 800 light bulbs and finds that 796 of them have no defects. What is the experimental probability that a l
BartSMP [9]

Answer:

The experimental probability that a light build chosen at random has no defects is 99.5 % or P(A)=0.995.

Step-by-step explanation:

let S be the sample space for the inspection of the light bulbs.

Therefore, n(s) = 800

let ' A ' be the event of no defects bulbs.

Therefore, n(A) = 796

Now the Experiment probability for a light bulb chosen has no defects will be given by,

P(A)=\dfrac{n(A)}{n(S)}

Substituting the values we get

P(A)=\dfrac{796}{800}=0.995

The experimental probability that a light build chosen at random has no defects is 99.5 % or P(A)=0.995.

3 0
3 years ago
Find the unknown side length, x. Write your answer in simplest radical form.
Volgvan

Using the Pythagorean Theorem, you should get 45 [9 + 36]. Then, take the square root of 45 and simplify it to 3√5.

3 0
3 years ago
PLEASE HELP ASAP!!!
levacccp [35]

Answer:

its 17degree as it is supplement to 163

6 0
3 years ago
Read 2 more answers
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