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3 years ago

1. There are 26 letters in the alphabet. If A = 1 and Z = 26, what is the sum of B and Y?

Mathematics

2 answers:

N76 [4]3 years ago

5 0

1. 27 (2+25)

2. 10 (3+7)

3. 29 (13+16)

4. 30.48 (12x2.54)

Pls mark branliest if this helped.

Grace [21]3 years ago

3 0

Oh yeah he’s right. Just scroll up from my answer to see the correct answer.

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evablogger [386]

Answer:

Step-by-step explanation:

R= C/2pi R

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Answer to 2 significant figures=9.0

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3 years ago

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3 years ago

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2 years ago

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3 years ago

the linearized regression equation for an exponential data set is log y=0.23 + 0,08, where x is the number of years and y is the

irga5000 [103]

Answer:

Population = 691.83 (rounded = 692)

Step-by-step explanation:

The equation is:

$Logy=0.23x+0.08$

When there is no base written with log, we assume "base 10", so we can say:

$Log_{10}y=0.23x+0.08$

Now, we need to find the population (y) when x = 12. Lets plug in 12 into x:

$Log_{10}y=0.23x+0.08\\Log_{10}y=0.23(12)+0.08\\Log_{10}y=2.84$

Now, we change to exponential form by using the formula shown below:

$Log_{10}x=b\\10^b=x$

So, we have:

$Log_{10}y=2.84\\y=10^{2.84}$

Evaluate using calculator to get:

$y=10^{2.84}\\y=691.83$

The population after 12 years, would be 691.83, rounded, 692

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3 years ago