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KiRa [710]
3 years ago
14

What is the probability of picking a 3 out of the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Mathematics
2 answers:
saul85 [17]3 years ago
5 0

Answer:

I'm glad you asked!

Step-by-step explanation:

It is 1/10.There are 10 numbers,are 3 is only written once.

Westkost [7]3 years ago
5 0

Answer:

10% chance

Step-by-step explanation:

if you put those 10 numbers  a percentage as 100% if you divide 100% by 10 it equals 10 witch is also 10%

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The Wilsons have triplets and another child who is eleven years old. The sum of the ages of their children is 32. How old are th
Leno4ka [110]

ANSWER:

The triplets will be 7 years each. 21, divided by 7.

8 0
3 years ago
You can spend $30 on a shopping trip. You want to buy a shirt that cost $14. Write and solve an inequality that represents the a
Mekhanik [1.2K]

Answer:

30 >or equal 14 + x

x is what is left

x has to be < or equal to 16

Step-by-step explanation:

3 0
3 years ago
I need answers asap... please
aleksandrvk [35]

Answer:

see explanation

Step-by-step explanation:

(4)

consider the left side

factor the numerator

cosx - cos³x = cosx(1 - cos²x)

\frac{cosx(1-cos^2x)}{sinx}[/tex = [tex]\frac{cosxsin^2x}{sinx}

cancel sinx on numerator/denominator

= cosxsinx =right side ⇒ verified

(5)

Consider the left side

expand the factors

(1 + cotΘ)² + (1 - cotΘ)²

= 1 + 2cotΘ + cot²Θ + 1 - 2cotΘ + cot²Θ

= 2 + 2cot²Θ

= 2(1 + cot²Θ) ← 1 + cot²Θ = cosec²Θ

= 2cosec²Θ = right side ⇒ verified

(6)

Consider the left side

the denominator simplifies to

cosxtanx = cosx × \frac{sinx}{cosx} = sinx

\frac{sin^2x(secx+cosecx)}{sinx}

= sinx( \frac{1}{cosx} + \frac{1}{sinx})

= \frac{sinx}{cosx} + \frac{sinx}{sinx}

= tanx + 1 = right side ⇒ verified











3 0
3 years ago
Please Help..........
Troyanec [42]
Your answer should be 31
Tell me if it was correct?
Thanks!
8 0
3 years ago
The solution to -35 x = -105 is -3. TrueFalse
Setler [38]

-35x = -105

divide -105 by -35 to get x by itself

x = 3

The answer is false because the real answer would be 3

6 0
3 years ago
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