ayoismeisjjjjuan

27.06.2019 •

Mathematics

What are the solutions of 12 - x2 = 0?
answer choices:
x=25 and x = -2/3
x= 3/7 and x = -3/5
x= 4/5 and x = -4/5
x= 6 and x = -6

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Ответ:

yedida

26.06.2020

Mathematics

$T_w = \frac{11 + w}{4}$

Step-by-step explanation:

Given

Starts = 3 miles

$Difference = \frac{1}{4}\ mile$

Required

Determine the distance for w weeks

This will be calculated using the following Arithmetic progression formula

T_n = a +(n -1) d

Where

a =3

n = w

$d = \frac{1}{4}$

Substitute these values

$T_w = 3 + (w - 1)* \frac{1}{4}$

Open Bracket

$T_w = 3 + \frac{1}{4}w - \frac{1}{4}$

Collect Like Terms

$T_w = 3 - \frac{1}{4} + \frac{1}{4}w$

$T_w = \frac{11}{4} + \frac{1}{4}w$

Take LCM

$T_w = \frac{11 + w}{4}$

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What are the solutions of 12 - x2 = 0? answer choices: x=25 and x = -2/3x= 3/7 and x = -3/5x= 4/5 and x = -4/5x= 6 and x = -6