3 years ago

Solve -4× - 8 - 2× = -6 + 3×

Mathematics

1 answer:

Alik [6]3 years ago

4 0

Answer:

x= -2/9

decimal form is x=-0.2 (repeating)

Step-by-step explanation:

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What is the answer to -134>-a+2(-7-7a)

maw [93]

Answer:

the answer is a > 8

i hope this helps!!

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3 years ago

Nina can ride her bike 63,360 feet in 3,400 seconds, and Sophia can ride her bike 10 miles in 1 hour. What is Nina's rate in mil

BabaBlast [244]

We know that
3600 seconds = 1 hour
Then
3400 seconds = 3400/3600
= 17/18 hours
5280 feet = 1 mile
Then
63360 feet = 63360/5280 mile
= 12 mile
So
Distance covered by Nina in 17/18 hours = 12 mile
Then
Distance covered by Nina in 1 hour = 12/(17/18) miles
= 12.71 miles.
From the above deduction, we can conclude that the speed of Nina is 12.71 miles per hour.
Speed of Sophia is 10 miles per hour. So Nina is the girl that rides at a faster speed.

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3 years ago

Read 2 more answers

What is the nth term of the geometric sequence 4, 8, 16, 32, ... ?

Morgarella [4.7K]

Geometric is
$a_n=a_1r^{n-1}$
an=nth term
a1=first term
r=common ratio
n=which term

commmon ratio is like
a1 times r=a2
4 to 8
4 times 2=8
r=2
first term is 4
therefor

$a_n=4(2)^{n-1}$
the nth term is $4(2)^{n-1}$

3 0

4 years ago

How is the process of this operation? <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%5Csqrt%5B6%5D%7Bz%2B5%7D%20%7D%7B%20%5C

Yuki888 [10]

$a^\frac{n}{m}=\sqrt[m]{a^n}\\---------------\\\\ \dfrac{ \sqrt[6]{z+5} }{ \sqrt{z+5} } =(z+5)^\frac{1}{6}:(z+5)^\frac{1}{2}\\\\/use:a^n\cdot a^m=a^{n+m}/\\\\=(z+5)^{\frac{1}{6}+\frac{1}{2}}=(z+5)^{\frac{1}{6}+\frac{3}{6}}=(z+5)^\frac{4}{6}=(z+5)^\frac{2}{3}\\\\=\sqrt[3]{(z+5)^2}=\sqrt[3]{z^2+2z\cdot5+5^2}=\sqrt[3]{z^2+10z+25}$

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3 years ago

John removed 64 fish from his pond over a period of 8 days. He removed the same number of fish each day. What was the change in

alex41 [277]

He removed 8 fish a day. 64/8=8 :) hope this helps and have a nice day!

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3 years ago