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3 years ago

Probability of 1 number when 100 numbers are available

Mathematics

1 answer:

Vilka [71]3 years ago

3 0

It would be 1/100 or 1%

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5.Solve:

lara31 [8.8K]

Answer:

C) x=2 y=-1 z=3

Step-by-step explanation:

2x + y - z = 0

2(2) + (-1) - (3) = 0

0 = 0

x - y + z =6

2 - (-1) + 3 = 6

6 = 6

x + 2y + z = 3

2 + 2(-1) + 3 = 3

3 = 3

8 0

3 years ago

Determine the number of possible triangles, ABC, that can be formed given angle A = 30°, a = 4, and b = 6.

Sophie [7]

Answer:

Step-by-step explanation:

Alright, lets get started.

using Sine Law,

$\frac{sinA}{a}=\frac{sinB}{b}$

$\frac{sin30}{4}=\frac{sinB}{6}$

$sinB=0.75$

$angle B = 48.6$

Another angle will be

$angle B' = 180-48.6 = 131.4$

considering angle B, angle C = $180 - (48.6+30)=101.4$

considering angle B', angle C' = $180-(131.4+30)=18.6$

$\frac{sinA}{a}=\frac{sinC}{c}$

$\frac{sin30}{4}=\frac{sin101.4}{c}$

$c = 7.84$

Similarly, finding c'

$\frac{sinA}{a}=\frac{sinC'}{c'}$

$\frac{sin30}{4}=\frac{sin18.6}{c'}$

$c'=2.55$

Hence two triangles are possible with below details: : Answer

A = 30, B = 48.6, C = 101.4, c = 7.84

A = 30, B' = 131.4, C' = 18.6, c' = 2.55

Hope it will help :)

5 0

3 years ago

(Photo) Help me!

nasty-shy [4]

It is C because 4 pi r^2 is the surface area equation. 4 times 6 squared= 144. 144pi = surface area.

3 0

3 years ago

Read 2 more answers

Solve the system of linear equations below, using substitution method.

VARVARA [1.3K]

Solve the system of linear equations below, using substitution method.

8x + 9y = 36

3x + 4y = 16

your answer is in attachment....

5 0

3 years ago

To celebrate 25 years in business, the furniture store is having a 25% off sale on all their furniture. Estimate the new price b

Kazeer [188]

Answer:

140

Step-by-step explanation:

8 0

3 years ago