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3 years ago

Please who ever gets right gets brainliest to

Mathematics

2 answers:

sasho [114]3 years ago

7 0

Answer:

The Trench or The Mariana Trench is the deepest part of the ocean.

lozanna [386]3 years ago

3 0

Answer:

B) trench

Step-by-step explanation:

The deepest part of the ocean is called the Challenger Deep and is located beneath the western Pacific Ocean in the southern end of the Mariana Trench

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(2x)² . (3x²)<br> What is the simplest form of this equation

Montano1993 [528]

Simplest form: 5x^2

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3 years ago

Which of the followings explains the difference between a regular subquery and a correlated subquery?

Fynjy0 [20]

Correlated means that they relate so probably this might help

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3 years ago

Which algebraic expression is a difference with two terms?

shepuryov [24]

Answer:

C. 5y -7 is an algebraic expression difference with two terms.

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2 years ago

A student wants to estimate the mean score of all college students for a particular exam. First use the range rule of thumb to m

Wewaii [24]

Answer:

See explanation below

<u>Step-by-step explanation:</u>

range = 2200 - 300 = 1900

To find standard deviation, we have:

standard deviation = range/4 = $\frac{1900}{4}$ = 475

The range rule of thumb estimate for the standard deviation is 475

Given:

Standard deviation, $\sigma$ = 475

Margin of Error, ME = 100

$\alpha$ = 1 - 0.90 = 0.10

Za/2 = Z0.05 = 1.64

Find sample size, n:

n ≥ $[Z_\alpha_/_2 * (\frac{\sigma}{ME})]^2$

n ≥ $[1.64 * (\frac{475}{100})]^2$

n ≥ 60.68

≈ 61

Minimun sample size,n = 61

5 0

3 years ago

Factorise x²-49<br>please solve this answer

Degger [83]

Answer:

(x+7)(x-7)

Step-by-step explanation:

x²-49

=x²-7²

=(x+7)(x-7)

4 0

3 years ago

Read 2 more answers