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2 years ago

A tree cast a shadow 21 meters long

Mathematics

1 answer:

Delicious77 [7]2 years ago

5 0

Step-by-step explanation:

I do not understand .____.

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The weekend Jerome earned 252.50 in all.what was the dollar amount of the meals that Jerome served? Jerome served worth meals

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Answer:

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Step-by-step explanation:

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2 years ago

*REMEMBER THAT ON STANDARD FORM YOU DONT USE FRACTIONS!!!

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Standard form of a linear equation is

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The slope of the graph of y = x is 0 2 1 Ο Ο -2

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Answer:

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3 years ago

A contractor has submitted bids on three state jobs: an office building, a theater, and a parking garage. State rules do not all

german

Answer:

The following are the answer to this question:

Step-by-step explanation:

In the given question the numeric value is missing which is defined in the attached file please fine it.

Calculating the probability of the distribution for x:

$\to f(x) = 0.19\ for \ x=14\\\\\to f(x) = 0.29 \ for\ x=7\\\\\to f(x) = 0.38\ for \ x=1\\\\\to f(x)=0.14 \ for \ x=0\\$

The formula for calculating the mean value:

$\bold{ E(X)= x \times f(x)}$

$=14 \times 0.19+7 \times 0.29+1 \times 0.38+0\times 0.14\\\\=2.66 + 2.03+0.38+ 0\\\\=5.07$

$\bold{E(X^2) = x^2 \times f(x)}$

$=14^2 \times 0.19+7^2 \times 0.29+1^2 \times 0.38+0^2 \times 0.14 \\\\=196 \times 0.19+ 49 \times 0.29+1 \times 0.38+0 \times 0.14\\\\= 37.24+ 14.21+ 0.38+0 \\\\=51.83$

use formula for calculating the Variance:

$\to \bold{\text{Variance}= E(X^2) -[E(X)]^2}$

$= 51.83 - (5.07)^2\\\\= 51.83 - 25.70\\\\=26.13$

calculating the value of standard deivation:

Standard Deivation (SD) = $\sqrt{Variance}$

$= \sqrt{26.13} \\\\=5.111$

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3 years ago

What are the square roots of 36/100?

Mekhanik [1.2K]

Question:

What are the square roots of 36/100?

Answer

A. −6/10 and 6/10

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3 years ago

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