Who was the american inventor and industrialist who made factory production more efficient by introducing the assembly line

Mathematics

1 answer:

Anarel [89]3 years ago

3 0

Henry Ford introduced the assembly line

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How to factor this problem with negative exponents? -4x^-4-3x^-2+1=0

Nat2105 [25]

$-4x^{-4}-3x^{-2}+1=0\\
-4x^{-4}-4x^{-2}+x^{-2}+1=0\\
-4x^{-2}(x^{-2}+1)+1(x^{-2}+1)=0\\
-(4x^{-2}-1)(x^{-2}+1)=0\\
4x^{-2}-1 =0 \vee x^{-2}+1=0\\
4x^{-2} =1 \vee x^{-2}=-1\\
x^{-2}=\frac{1}{4} \vee \frac{1}{x^2}=-1\\
\frac{1}{x^2}=\frac{1}{4}\\
x=-2 \vee x=2
$

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3 years ago

I WILL MARK THE BRAINLIEST!!! One math question. please explain as well

8090 [49]

Surface area of a sphere=4pi(r^2)
Volume of a sphere=(4/3)pi(r^3)
You need to find the r value to calculate surface area, so I'll solve for that first.
(4/3)pi(r^3)=2254pi
(4/3)(r^3)=2254
r^3=1690.5
r=(1690.5)^(1/3), around 11.9126m
Substitute this in to find surface area
A=4pi(r^2)=4pi(11.9126)^2
=1783.2818 m^2

5 0

4 years ago

Simplify:

miv72 [106K]

$576 = {2}^{6} \times {3}^{2} \\ \\$
$64 = {2}^{6}$

good luck

6 0

3 years ago

Read 2 more answers

Help i don't understand this!!

goblinko [34]

Answer:

30 cm

Step-by-step explanation:

4 0

3 years ago

2.1x 10^8 is how many times the value of 4.2 x 10^2?

Airida [17]

Answer:

Step-by-step explanation:

If you want to find out how many times larger something is than something else, you have to divide. We will set up a problem that looks like this:

$\frac{2.1*10^8}{4.2*10^2}$

Diving 2.1 by 4.2 gives us .5; to divide the exponents, we remember that if we divide like bases we have to subtract the exponents. 10 is our base in both cases, so 8 - 2 gives us 6, resulting in:

$.5*10^6$

However, this isn't in scientific notation. We need to move the decimal one more place to the right, which in trn reduces the exponent by 1:

$5*10^5$

6 0

3 years ago