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pishuonlain [190]

3 years ago

5

Kyle kathy and kelly each drew a triangle who drew the triangle that has 1 angle greater than a right angle and appears to have

no sides of equal length

1 answer:

julsineya [31]3 years ago

6 0

Answer:

There is no way to determine who drew this, unless there is a picture of their drawings.

It will though be easy to determine.

Think of the letter T turned upside down, the angle the vertical line makes with the horizontal line is 90 degrees. Bending the vertical line to the right hand side, the angle on the left hand side is above 90 degrees, and the one on the right hand side is below 90.

And a triangle with a 90 degrees angle is called right angled.

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The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party,

Mama L [17]

Answer:

$(a)\ P(x = 0) = 0.2725$

$(b)\ P(x \ge 1) =0.7275$

$(c)\ P(x \le 2) = 0.8948$

Step-by-step explanation:

Given

$n = 8$ --- 8 friends

$p = 15\%$ --- proportion that one-time fling

This question is an illustration of binomial probability, and it is represented as:

$P(X = x) = ^nC_x* p^x * (1 - p)^{n-x}$

Solving (a): P(x = 0) --- None has done one time fling

$P(x = 0) = ^8C_0* (15\%)^0 * (1 - 15\%)^{8-0}$

$P(x = 0) = 1* 1 * (1 - 0.15)^{8}$

$P(x = 0) = 0.85^8$

$P(x = 0) = 0.2725$

Solving (b): $P(x \ge 1)$

To do this, we make use of compliment rule:

$P(x = 0) + P(x \ge 1) =1$

Rewrite as:

$P(x \ge 1) =1 - P(x = 0)$

$P(x \ge 1) =1 - 0.2725$

$P(x \ge 1) =0.7275$

Solving (c): $P(x\le 2)$ --- Not more than 2 has one time fling

This is calculated as:

$P(x\le 2) = P(x = 0) + P(x =1) + P(x = 2)$

We have:

$P(x = 0) = 0.2725$

$P(x = 1) = ^8C_1* (15\%)^1 * (1 - 15\%)^{8-1}$

$P(x = 1) = 8* (0.15) * (1 - 0.15)^7$

$P(x = 1) = 0.3847$

$P(x = 2) = ^8C_2* (15\%)^2 * (1 - 15\%)^{8-2}$

$P(x = 2) = 28* (0.15)^2 * (1-0.15)^6$

$P(x = 2) = 0.2376$

So:

$P(x\le 2) = P(x = 0) + P(x =1) + P(x = 2)$

$P(x \le 2) = 0.2725 + 0.3847 + 0.2376$

$P(x \le 2) = 0.8948$

4 0

3 years ago

Rodrigo bought a pumpkin pie for $4.85 and a can of whipped cream for $1.55. He gave the cashier $7.00. How much change should R

madam [21]

Answer:
$0.60

step-by-step explanation:
4.85 + 1.55 = 6.40
7.00 - 6.40 = 0.60

7 0

2 years ago

If Manuel does a job in 150 hours and with the help of Shantel they can do it together in 50 hours, how long would it take Shant

Alex Ar [27]

75 hours because 150 divided by two is 75

6 0

3 years ago

NEED HELP ASAP PLEASE

Vlad [161]

Answer:

student 3 by 25% over

Step-by-step explanation:

is/of x %/100

ex student 3 measured 2.5 that is % of 2

so basicaly times the number on the right by 100 then ÷ by the number on the left then there is your %

8 0

3 years ago

Jet001 [13]

Answer:

maalesef bulamadım ben

6 0

2 years ago