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Lelu [443]
3 years ago
15

What is the length of segment BD

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
5 0

Answer:  The length of BD is 2.4

Step-by-step explanation:  BD is a leg of a right triangle, so use the

Pythagorean Theorem  a² + b² = c²  

BC is the hypotenuse here, so that is c = 3

We can use the segment CD as side b = 1.8

We will call BD side a, and solve to find that length.

a² + (1.8)² = 3²   Square the known values of b and c

 a² + 3.24 = 9     Subtract 3.24 from both sides.

a² = 9 - 3.24     Simplify

a²  =  5.76          Find the square root of both sides (Calculator time!)

a = 2.4

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1/2

Step-by-step explanation:

you could get 2 or 4 or 6

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Solve. 3(4x + 2x) = 8
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If you would like to solve the equation 3 * (4 * x + 2 * x) = 8, you can do this using the following steps:

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Weekly wages at a certain factory are
fiasKO [112]

Answer:

0.34134

Step-by-step explanation:

in other to solve for this question we would be using the z score formula

z = (x - μ) / σ

x = raw score

μ = mean

σ = standard deviation

the question tells us to find the probability that a worker selected at random makes between $350 and $400

let x1 = 350 and x2= 400 with the mean μ = 400 and standard deviation σ = $50.

z1 = (x1 - μ) / σ = (350-400) / 50 = -1

z2 = (x2 - μ) / σ = (400 - 400) / 50 = (0/50) = 0

from tables, P(z <= -1) = 0.15866

P(z <= 0) = 0.5

then the probability would give us, P(-1 ≤ z ≤ 0) =0.5 - 0.15866 =

0.34134

that explains that the probability that a worker selected at random makes between $350 and $400 = 0.34134

5 0
3 years ago
What are the solutions for Y=x^2+6x+8
Trava [24]

Step-by-step explanation:

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2 years ago
A number minus seven is nine.
lukranit [14]

Answer:

Your answer would be 16 - 7 = 9.

You can simply add the two numbers and it would still give you the same answer, but I decided to just look for the number.

Step-by-step explanation:

I hope this helped solve your question.

5 0
3 years ago
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