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2 years ago

13

You are given the lengths of two sides of a triangle, 12 inches and 4 inches. What can you conclude about the length of the thir

d side?

1 answer:

m_a_m_a [10]2 years ago

5 0

You can conclude that it is a isosceles triangle (a triangle with 2 congruent sides)? I'm not sure though. :/

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The life of light bulbs is distributed normally. The variance of the lifetime is 900 and the mean lifetime of a bulb is 520 hour

Alex73 [517]

Answer:

0.969

Step-by-step explanation:

Given that:

Mean lifetime (m) = 520 hours

Variance = 900

Hence, standard deviation (s) = √900 = 30

Probability that bulb will last for at most 576 hours

X ≤ 576

Obtain the standardized score :

Using the relation :

Zscore = (x - m) / s

Zscore = (576 - 520) / 30

Zscore = 56 / 30

Zscore = 1.867

P(Z ≤ 1.867) : using the z probability calculator ;

P(Z ≤ 1.867) = 0.96905

Hence, P(Z ≤ 1.867) = 0.969

8 0

2 years ago

What is 0.003 is 1-10 of

gulaghasi [49]

0.003 of 1-10 of is 0.03

4 0

2 years ago

60 people attend a game night. Everyone chooses to play chess, a two-player game, or Uno, a

AysviL [449]

Answer:

14-8

12-9

0-15

2-14

Step-by-step explanation:

7 0

2 years ago

The method of completing the square was used to solve the equation 2x^2 - 12x + 6 =0 which equation is a correct step when using

trapecia [35]

The equation we are looking at would have to be divided by 2 first.
x²-6x+3
When looking at that, I can tell that 1 may be the possible answer since you would have to subtract 6 from both sides. That would leave a 3. Let's check.
(x-3)(x-3)
x²-6x+9=6
Now subtract 6 from both sides.
x²-6x+3=0
So, 1- (x-3)²=6 would be used.

6 0

2 years ago

Which triangle’s area would be calculated using the trigonometric area formula?

kati45 [8]

Answer:

Triangle Q R P is shown. The length of Q R is 5 and the length of R P is 6. Angle Q R P is 40 degrees.

Step-by-step explanation:

The trigonometric formula refers the two sides length of the triangle and it also consists of included angle to find out the area

A = $\frac{1}{2}$ ab sin C

QPR contains two sides and the included angle

XYZ has one side and the two angles

DEF has only three sides

And, the ABC contains two sides but does not have the included angle

Based on the explanation above, the correct option is B

7 0

3 years ago

Read 2 more answers