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3 years ago

Write down your own observation of scalene triangle

1 answer:

7 0

A triangle where all three sides are different in length. The interior angles of a scalene triangle are always all different. ... The converse of this is also true - If all three angles are different, then the triangle is scalene, and all the sides are different lengths.

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Mr. And Mrs. Doran have a genetic history such that the probability that a child being born to them with a certain trait is 0.14

poizon [28]

Answer:

0.938

Step-by-step explanation:

From the question :

p = 0.14

Number of children, n = 7

P(x ≤ 2) = P(2) + P(1) + P(0)

Using binomial probability :

P(x =x) = nCx * p^x * (1 - p)^(n - x)

We could also use the binomial probability calculator :

P(x ≤ 2) = 0.3479 + 0.3965 + 0.1936

P(x ≤ 2) = 0.938

8 0

3 years ago

What is the value of the expression shown below 10+(2x3)^2 divided by 4x (1/2)^3

stira [4]

Answer:

10 + (2 x 3)^2 / 4 x (1/2) ^3

First do the parentheses

2 x 3 = 6

1 / 2 = 0.5

We are left with

10 + 6^2 /4 x 0.5^3

Do exponents

6 x 6 = 36

0.5 x 0.5 x 0.5 = 0.125

10 + 36 / 4 x 0.125

Divide by 4 and multiply by 0.125

36 / 4 = 9

9 x 0.125 = 1.125

We are left with

10 + 1.125 = 11.125

The answer is 11.125

Step-by-step explanation:

7 0

3 years ago

Simplify <br> (rs) (25) -2 (47)4

Katen [24]

Answer:

there should be multiplication sign...so value will be (-351)

5 0

3 years ago

What's 2sin(2theta)=1? Need it for webassign.

lutik1710 [3]

<em>Solve: </em> $2sin(2x) = 1$

Divide both sides by 2.
$sin(2x) = \frac{1}{2}$

Take the sine inverse of both sides:
$2x = sin^{-1}(\frac{1}{2})$
$2x = \frac{\pi}{6}, \frac{5\pi}{6}, 0 \leq x \leq 2\pi$
$x = \frac{\pi}{12}, \frac{5\pi}{12}$

But we know there are more solutions if we extend the domain. In fact, there are infinitely more solutions since the domain of sine is all real x values.
Thus, we can develop a general solution:

For every $\pi$ units, there is another solution for both $\frac{\pi}{12}$ and $\frac{5\pi}{12}$

General solutions:
$x = \pi n + \frac{\pi}{12}, n \in \mathbb{Z}$
$x = \pi n + \frac{5\pi}{12}, n \in \mathbb{Z}$

7 0

3 years ago

What is the improper fraction of 1/3/4

timama [110]

1 3/4 = 7/4....u take ur whole number (1) and multiply it by ur denominator (4)...which gives u 4...then add that to ur numerator (3), giving u 7...then put that over ur original denominator (4)....so it becomes 7/4

3 0

3 years ago

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Write down your own observation of scalene triangle​

Write down your own observation of scalene triangle