4 years ago

given triangle ABC with sides AB=3x+4, BC=2x+5, AC=4x, determine the values of X such that triangle ABC exists.

1 answer:

5 0

You can a teacher lol

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zhuklara [117]

First you find out what 20% of 30 is (30 * 0.20 = 6)
Then you take 30/6 to get your answer (30/6 = 5)
There will be 5 students in each group.

8 0

4 years ago

zzz [600]

Answer: 100

Step-by-step explanation:

Given : The total number of seats planned in new restaurant =134

The percentage of customers demand a smoke-free area = 62%

It can also be written as $62\%=\dfrac{62}{100}=0.62$

The mean of this binomial distribution will be :-

$\mu=np\\\\\mu=(134)(0.62)=83.08$

Standard deviation:-

$\sigma=\sqrt{np(1-p)}\\\\\Rightarrow\sigma=\sqrt{134(0.62)(0.38)}\approx5.6$

Now, the number of seats should be in the non-smoking area in order to be very sure of having enough seating there :-

$\mu+3\sigma=83.08+3(5.6)=99.88\approx100$

4 0

3 years ago

Elenna [48]

A
(X-7)(x-4) -> x^2 -11x + 28
Multiply that by the 2 and you get the original equation!

5 0

4 years ago

Serga [27]

Answer:

Step-by-step explanation:

5+1+3+8+2=19

3/19 = 16%

6 0

2 years ago

Maksim231197 [3]

THis would be 62 / 0.56 = 110.71 to nearest hundredth

7 0

3 years ago