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Liula [17]
3 years ago
5

Z/-2.5-011.5=-1.34 what is z

Mathematics
1 answer:
ololo11 [35]3 years ago
3 0

Answer:

z=-25.4

Step-by-step explanation:

Add 11.5 to both sides of the equation, then simplify. Multiply all terms by the same value to eliminate fraction denominators

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Step-by-step explanation:

y = mx + b represents the equation of a line

m represents the slope

b represents the y-intercept

Based on what we're given, we could determine that 4 is our y-intercept or b.  

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Lisa wants to cover the top of the lid in beads. She has enough beads to cover 42 square centimeters. Find the area of the lid.
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2 years ago
Which expression has the same value as 9,381x5?
elena55 [62]

Answer: C) (9000x5) + (300x5) + (8~5) + (1x5)

Step-by-step explanation:

First Find what 9381 times 5 is.

9381x5=46108

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9000x5= 45000

300x5=1500

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Now Add it all up.

45000+1500=46100

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2 years ago
How can you determine if you need to use a combination or permutation to count the number of outcomes? Which will usually have m
Nadya [2.5K]

Answer with Step-by-step explanation:

Permutation : It is an arrangement of r elements out of n elements.

Combination : it is a selection of r element out of n elements .

Suppose we have a set

S={1,2,3}

If two elements are taken at a time then

Using permutation formula

Total number of outcomes=3P_2

Total number of outcomes=\frac{3!}{(3-2)!}

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Using combination formula

\binom{n}{r}=\frac{n!}{r!(n-r)!}

Total number of outcomes=\binom{3}{2}=\frac{3!}{2!1!}

Total number of outcomes=\frac{3\times2!}{2!}

Hence, total number of outcomes=3

Total number of outcomes determined by permutation have more outcomes.

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Arrangements of two elements out of 3 elements

{1,2},{2,3},{2,1},{3,2},{1,3},{3,1}

By using combination if two elements taken at a time then combination

{1,2},{2,3},{1,3}

4 0
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