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lions [1.4K]
3 years ago
5

Is 1.52631579 a rational or irrational number

Mathematics
1 answer:
inna [77]3 years ago
8 0

It is a rational nimber

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A die is loaded so that the number 6 comes up three times as often as any other number. what is the probability of rolling a 1 o
Mila [183]

Answer:

1/2.

Step-by-step explanation:

Probability totals must add up to 1.

P = probability.

If P(any number other than 6) = x,  then P(6) = 3x, so

3x + 5x = 1

x = 1/8

P(6) = 3/8 and P(not 6) = 1/8

Therefore P(6 or 1) = 3/8 + 1/8 = 1/2 (answer).


4 0
3 years ago
Angle Q = 85° Determine angle O.
kkurt [141]

Answer:

∠O = 95°

Step-by-step explanation:

since ∠Q = 85°, arc NOP = 2(85°) = 170°

arc PQN = 360° - arc NOP

arc PQN = 360° - 170° = 190°

∠O = 1/2(arc PQN) = 1/2(190°) = 95°

4 0
2 years ago
Please help, will give brainliest
Goryan [66]
Uhhh i think the answers A
3 0
2 years ago
Simplify the expression: –7(5 − u)
katovenus [111]

Answer:

-7(5-u)

Step-by-step explanation:

-7(5-u)

-7x5  -7x-u

-35+7u

7 0
3 years ago
Read 2 more answers
Show that X^2-8x+20 can be written in the form (x-a)^2+a
svlad2 [7]

Answer:x^2 + 8x + 20

a = 1

b = 8

c = 20

Discriminant = b^2 - 4ac

=> 8^2 - 4(1)(20)

=> 64 - 80

=> -16

As -16<0

So, equation has no real roots

I hope this will help you

(-:

Step-by-step explanation:

8 0
3 years ago
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