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2 years ago

3/4c-7/12+7/24c+2/3-1/6csimplify the expression

2 answers:

8 0

Answer: 7/8c + 1/12

Explanation: separate the c terms and the non-c terms. 3/4c + 7/24c - 1/6c = 7/8c

-7/12 + 2/3= 1/12

therefore, it’s 7/8c + 1/12

Setler [38]2 years ago

6 0

7/8c +23/24 I think this is right dont use me as the only source tho

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Step-by-step explanation:

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2 years ago

Find the exact length of the curve. x = 9 + 9t2, y = 6 + 6t3, 0 ≤ t ≤ 4

andrew11 [14]

ANSWER

$=102 \sqrt{ 17}$

EXPLANATION

The equation of the curve is:

$x = 9 + 9 {t}^{2}$

$y = 6 + 6 {t}^{3}$

We differentiate to obtain:

$\frac{dx}{dt} = 18t$

$\frac{dy}{dt} = 18t$

The length of the arc

$l = \int _0 ^{4} \sqrt{ {( \frac{dx}{dt} )}^{2} + {( \frac{dy}{dt} )}^{2} } dt$

This implies that:

$= \int _0 ^{4} \sqrt{ {( 18t )}^{2} + {( {18 {t}^{2} } )}^{2} } dt$

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2 years ago

on Saturday nikki and tyler walked to the local farmers market nikki bout 8 apples for $6 dollars and tyler brought 3 fewer appl

erica [24]

On Saturday Nikki and Tyler walked to the local farmers market Nikki bought 8 apples for $6 dollars and Tyler brought 3 fewer apples than Nikki. How much did Tyler spend on apples?

Tyler brought 8 apples - 3 apples = 5 apples.

To calculate the price of 5 apples we have to establish a proportion :

If 8 apples cost $6

Then 5 apples will cost $X

X = 5apples * $6/8apples = $3.75

Answer : Tyler spent on apples $3.75

Hope this helps!

$\textit{\textbf{Spymore}}$

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2 years ago