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4 years ago

6

4k-(3+3k)>2solving inequalities, help please

1 answer:

nikdorinn [45]4 years ago

6 0

4k-3-3k>2
1k-3>2
1k>5
k>5

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Which expression has a value of −24?

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(-48)+24

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Find the value of the following expression:

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4 years ago

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What kind a of quadrilateral is LFGA?

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LFGA is a rectangle

B) yes they are

Since lf=ag

LFE=AGT

AT=LE

SO THEY ARE CONGRUENT HAVING 2 EQUAL SIDES AND ONE RIGHT ANGLE

C) ef =gt

(U have to prove them before)

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3 years ago

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tensa zangetsu [6.8K]

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4 years ago

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Ugo [173]

Answer:

The z value is - 2.88

Step-by-step explanation:

The formula of the z-score of a population is z = (x¯ - μ)/(σ/ $\sqrt{n}$ )

The given in the problem is:

μ = 121
σ = 21
x¯ = 112.35
n = 49

Let us substitute all of these values in the rule above

$z=\frac{112.35-121}{\frac{21}{\sqrt{49}}}$

Simplify up and down

$z=\frac{-8.65}{\frac{21}{7}}$

$z=\frac{-8.65}{3}$

z = - 2.883333

Round it to 2 decimal places

∴ z = - 2.88

The z value is - 2.88

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4 years ago