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2 years ago

What is 9 simplified

Mathematics

1 answer:

grin007 [14]2 years ago

7 0

Answer:

9 on its own can not be simplified. It needs to be a fraction.

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In65 - lnX = 39<br> What does X=?

Hunter-Best [27]

Answer:

<h2>The answer is 7.47</h2>

Step-by-step explanation:

In this problem we are going find the natural logarithmic of the numbers involved and solve for x

$ln65-Ln x= 39\\$

from tables

$4.17-ln x= 39\4.17-39= lnx\\-34.83=lnx\\$

taking the exponents of both sides we have

$e^-^3^4^.^8^3= x\\x= 7.47$

3 0

2 years ago

Solve x^2 − 4x = 14.

DENIUS [597]

Minus 14 from both sides
x²-4x-14=0
use quadratic formula because we cant factor

for
ax²+bx+c=0
$x= \frac{-b+/- \sqrt{b^2-4ac} }{2a}$

so
1x²-4x-14=0
a=1
b=-4
c=-14

$x= \frac{-(-4)+/- \sqrt{(-4)^2-4(1)(-14)} }{2(1)}$
$x= \frac{4+/- \sqrt{16+56} }{2}$
$x= \frac{4+/- \sqrt{72} }{2}$
$x= \frac{4+/- 6\sqrt{2} }{2}$
$x= 2+/- 3\sqrt{2}$

the solutions are
x=2+√3 and
x=2-√3

3 0

2 years ago

Please help I need it today please help

Rufina [12.5K]

0-2+9=7 is the answer I think

6 0

2 years ago

Steve has two pieces of PVC pipe of length 4 ft and 7 ft. Which of the following lengths of PVC pipe could be used as the third

Ratling [72]

Answer:

<em>10 feet</em>

Step-by-step explanation:

here's the reason ; -

let's take the missing side be x

we know, the one side of a triangle should always be greater than the difference between the other two sides, so ,

=》x > 7-4

=》x > 3

and the measure of a side should always be less than the some of the other two sides, hence

=》7 + 4 > x

=》11 > x

now, we have : -

11 > x > 3

value of x should be more than 3 and less than 11 , hence 2 ft , 3 ft and 12 ft can't be the measure of third side,

so, we got our third side as 10 ft

3 0

2 years ago

Plz help me with number 1 and 2 plz asp

frozen [14]

1. D

2. B

Hope it helps!

5 0

2 years ago

What is 9 simplified​

What is 9 simplified