3 years ago

hen comparing more than two treatment means, why should you use an analysis of variance instead of using several t tests

Mathematics

1 answer:

Bumek [7]3 years ago

6 0

Yea I agree but i don’t know maybe things will work out in the end for you

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A newspaper stand sold 1000 copies of the city newspaper for $1600. Write and solve an equation to find the price of one copy.

Goshia [24]

Simple. just do this:
1000x=1600
x=1600÷1000
x=1.6

each newspaper is $1.60

8 0

3 years ago

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Bailey writes the expression g2 + 14g + 40 to represent the area of a planned school garden in square feet. What factors can be

iragen [17]

Answer:

it is D

Step-by-step explanation:

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3 years ago

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A ball is dropped from a height of 14 ft. The elasticity of the ball is such that it always bounces up one-third the distance it

Korvikt [17]

Answer:

Hello,

742/27 (ft)

Step-by-step explanation:

$h_1=14\\\\h_2=\dfrac{14}{3} \\\\h_3=\dfrac{14}{9} \\\\h_4=\dfrac{14}{27} \\\\$

$d=14+2*\dfrac{14}{3} +2*\dfrac{14}{9} +2*\dfrac{14}{27} \\=14*(1+\dfrac{1}{3}+\dfrac{2}{9} +\dfrac{2}{27} )\\=14*\dfrac{53}{27} \\=\dfrac{742}{27} \\$

5 0

3 years ago

a box contains 20 red, 10 blue and 30 yellow beads. what is the probability of a bead drawn at random being yellow or blue?

dexar [7]

Answer:

2/3

Step-by-step explanation:

1. add all the beads up together:

20+10+30= 60

2. add the blue and yellow beads up:

10+30= 40

3. put 40 over 60

40/60 which equals 2/3

4. the final answer:

2/3

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3 years ago

Which expression is equivalent to (x Superscript one-half Baseline y Superscript negative one-fourth Baseline z) Superscript neg

Darina [25.2K]

By using exponent properties, we will get the simplified expression:

$x^{-1}*y^{1/2}*z^2$

<h3>How to simplify the given expression?</h3>

Here we have the expression:

$(x^{1/2}*y^{-1/4}*z)^{-2}$

Remember the exponent properties:

$(a^n)^m = a^{n*m}$

And:

$(a*b)^n = (a^n)*(b^n)$

So using these two properties, we can rewrite:

$(x^{1/2})^{-2}*(y^{-1/4})^{-2}*(z)^{-2}\\\\(x^{-2*1/2})*(y^{-2*-1/4})*(z^{-2}})\\\\x^{-1}*y^{1/2}*z^2$

So we conclude that the completely simplified expression is:

$x^{-1}*y^{1/2}*z^2$

If you want to learn more about exponents:

brainly.com/question/8952483

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2 years ago