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3 years ago

A powerful microscope is used to

Mathematics

2 answers:

prohojiy [21]3 years ago

7 0

Answer:

6.834 x 10^-6 meters

Step-by-step explanation:

kkurt [141]3 years ago

5 0

Answer: 6.834 × 10-6

Step-by-step explanation: To get 0.000006834 we have to times 6.834 by 10 with a negative exponent. Since there are 6 zeros we know it will be 10^-6.

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In a sample of 57 temperature readings taken from the freezer of a restaurant, the mean is 29.6 degrees and the population stand

Natalka [10]

Answer:

(29.14 ; 30.06)

Step-by-step explanation:

Given that'

Sample size (n) = 57

Mean (m) = 29.6

Population standard deviation (σ) = 2.7

Confidence interval = 80%

= (1 - 0.8) / 2 = 0.1

Mean ± z * σ/√n

Using the Z probability calculator : Z0. 1 = 1.28

Hence,

29.6 ± 1.28 * (2.7 / √57)

29.6 - (1.28 * 0.3576237) ; 29.6 + (1.28 * 0.3576237)

29.142241664 ; 30.057758336

(29.14 ; 30.06)

8 0

3 years ago

PLEASE HELP - System of equations matrix prepresents

Sever21 [200]

9514 1404 393

Answer:

the marked choice is the correct one

Step-by-step explanation:

A suitable calculator or web app can reduce this matrix for you.

The solution is represented by the matrix ...

$\left[\begin{array}{ccc|c}1&0&0&1\\0&1&0&-1\\0&0&1&3\end{array}\right]$

6 0

3 years ago

1,3,1,9,1,27,1 identify a pattern in the given list of numbers

Bezzdna [24]

There is a one ever other number?

7 0

3 years ago

Read 2 more answers

What is the product of 9 and 2√90 in the simplest radical form??

nasty-shy [4]

Answer: √90=3√5⋅2=3√10

Step-by-step explanation:

6 0

3 years ago

The Spanish club is arranging a trip to a Mexican restaurant in a nearby city. Those who go

Hoochie [10]

Answer:

20 people

Step-by-step explanation:

well we know that only going to the restaurant every person must pay $7

so we have only $3 extra

those 3 dollars times the number of people must give 60 dollars

$3x=60\\\\\frac{1}{3} *3x=\frac{1}{3} *60\\\\x=20$

so 20 people must go, to pay only $10

7 0

3 years ago