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2 years ago

What is the distance betwen (–3, –6) and (–3, 1)

Mathematics

2 answers:

ra1l [238]2 years ago

7 0

Answer:

the square root of 7

Step-by-step explanation:

( -3 + 3 ) + ( 1 + 6 )

0 + 7

Alex787 [66]2 years ago

5 0

Distance = sqr((x2-x1)^2+(y2-y1)^2)
(-3+3)^2 + (1+6)^2 = (0)^2 + (7)^2
Distance = sqr(49) = 7

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A group of four components is known to contain two defectives. An inspector tests the components one at a time until the two def

Stells [14]

Answer:

when Y = 2, P(2) = 1/6 = 0.167

when Y = 3, P(3) = 2/6 = 0.333

when Y = 4, P(4) = 3/6 = 0.5

Step-by-step explanation:

Total number of possible ways to choose 2 components for defectives out of 4 components = 4C2 = 6

Y can only take values of 2, 3 and 4

So, Probability of Y = P(Y) = 1C(Y-1) / 6

when Y = 2, P(2) = 1/6 = 0.167

when Y = 3, P(3) = 2/6 = 0.333

when Y = 4, P(4) = 3/6 = 0.5

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3 years ago

Number ten please thanks

BlackZzzverrR [31]

-3^2= -(3)^2

The exponent of 2 only applies to the number 3. -(3)^2 should equal -9. This is true because according to the order of operations, exponents should be evaluated before multiplication. The negative sign here represents -1* 3^2.
If you want to find -3 to the power of 2 it must be written (-3)^2.

5 0

3 years ago

What is the solution to this system of linear equations?<br><br> x + y = 4<br><br> x − y = 6

Amiraneli [1.4K]

X+y = 4, therefore y = 4-x when you rearrange the equation.
You can subsitute this in: x-(4-x) = 6
-4+x = 6-x
x=10-x
2x = 10
x = 5
Substitute x into the previous equation:
5+y = 4
y = 4-5
y = -1

5 0

3 years ago

Read 2 more answers

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MA_775_DIABLO [31]

Answer:

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Step-by-step explanation:

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4 0

3 years ago

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Eduardwww [97]

Its 12. Part a was 2 part b was 3
6×2=12
4×3=12

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3 years ago