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3 years ago

12

Find a common denominator for the pair of factions.then,write equivalent fractions with the common denominator 8/15 and 1/3

1 answer:

Juli2301 [7.4K]3 years ago

7 0

Answer:

c. 15

Step-by-step explanation: 15 is divisible by 3

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14.30 6 3/4 sales tax

Evgen [1.6K]

6.75%×14.30
6.75×1430

1430
675
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tax=2.5740

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4 years ago

A) Show that the equation 20-x^3-7x^2=0 can be rearranged to give x=20/x^2 - 7

AVprozaik [17]

Answer:

Step-by-step explanation:

$20-x^3-7x^2=0$

a)

Add $x^3$ to both sides of the equation: $20-7x^2=x^3$
Divide both sides by $x^2$ : $\frac{20}{x^2} -\frac{7x^2}{x^2} =\frac{x^3}{x^2}$ ⇒ $\frac{20}{x^2} -7 =x$

b)

$x_1=\frac{20}{(x_0)^2} -7$

⇒ $x_1=\frac{20}{(-9)^2} -7$

⇒ $x_1=-\frac{547}{81}$

$x_2=\frac{20}{(x_1)^2} -7$

⇒ $x_2=\frac{20}{(-\frac{547}{81})^2} -7$

⇒ $x_2=-6.561443673...$

$x_3=\frac{20}{(x_2)^2} -7$

⇒ $x_3=\frac{20}{(-6.561443673...)^2} -7$

⇒ $x_3=-6.535451368...$

c) approximation to the location of one of the roots of the equation. Each iteration gives a slightly more accurate value of a root $x$ .

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3 years ago

Which graph represents the function f(x)=(x+5)^2

soldier1979 [14.2K]

USE THE IMAGE BELOW TO HELP YOU!

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4 years ago

Match the coordinates given in the first column with their corresponding location using the following translation rule

Sati [7]

Answer: The answers are (3, 5)•—•(1, 5), (–2, –1)•—•(–3, 8), (7, 2)•—•(3, 0), and (9, –3)•—•(–8, 2), Xavier, I didn’t learn how to match the coordinates by using the following transaction rule.

Step-by-step explanation:

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3 years ago

Jon ran 4 miles in 35<br> minutes. How long did it<br> take him to run a mile

sesenic [268]

Answer:

35/4 minutes per mile

Step-by-step explanation:

rate = time/distance, therefore the answer is 35/4

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3 years ago