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3 years ago

Simplify the expression shown.

Mathematics

2 answers:

joja [24]3 years ago

8 0

Answer:

9 + 5x

Step-by-step explanation:

VladimirAG [237]3 years ago

7 0

Answer:

Simplified expression is 5x + 9 and coefficient are 5 & 9.

Step-by-step explanation:

Given Expression: 3x + 2 - 3x + 7 + 5x

we need to simply the given expression and find the coefficient in the simplified expression.

First we group the like term,

we get

3x - 3x + 5x + 2 + 7

Now solve like term,

= ( 3x - 3x + 5x ) + ( 2 + 7 )

= 5x + 9

Constant Coefficient of x = 5

and Coefficient of 9 = 9

therefore, Simplified expression is 5x + 9 and coefficient are 5 & 9.

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4 years ago

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3 years ago

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jarptica [38.1K]

Answer:

The required confidence inteval = 94.9%.

Step-by-step explanation:

Confidence interval: Mean ± Margin of error

Given: A confidence interval for the true mean diameter of all oak trees in the neighbourhood is calculated to be (36.191, 42.969).

i.e. Mean + Margin of error = 42.969 (i)

Mean - Margin of error = 36.191 (ii)

Adding (i) and (ii), we get

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here n= 25 $, \ \sigma=8.25$

i.e.

$3.389=t^*\dfrac{8.25}{5}\\\\\Rightarrow\ t^* = \dfrac{3.389}{1.65}\\\\\Rightarrow\ t^* =2.0539 \$

Using excel function 1-TDIST.2T(2.054,24)

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3 years ago

A cube has side length 0.7 metres.

Nadya [2.5K]

Answer:

2.94

Step-by-step explanation:

Area of one plane moultyply by number of planes

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4 years ago