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Allisa [31]
3 years ago
8

I'm writing the whole thing consider 7x10 by the power of 3 write a pattern to find the expression

Mathematics
1 answer:
lisov135 [29]3 years ago
8 0
70 x 3 I think cuz that's what I think j learned sorry if it's wrong
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Find the distance between the points (2,-1) and (-1,-4). Round your answer to the nearest hundredth.
romanna [79]

Answer:

4.24

Step-by-step explanation:

8 0
3 years ago
en la librería habían 680 libros para el comienzo de clase pidieron a la editorial 125 más Cuántos libros hay ahora en total par
AnnyKZ [126]

Answer:

Que? No se.

Step-by-step explanation:

8 0
2 years ago
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A master electrician earns $62 per hour. His apprentice earns $40 per hour. The master electrician works 3 hours more than the a
photoshop1234 [79]
X=hours master worked
y=hours apprentice worked


62x+40y=492

if master worked 3hours more than apprntice
x=3+y

sub 3+y for x

62(3+y)+40y=492
expand
186+62y+49y=492
186+102y=492
minus 186 both sides
102y=306
divide both sides by 102
y=3

sub back
x=3+y
x=3+3
x=6

master electrician worked 6 hours
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master electrician earned $372
7 0
2 years ago
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What is the measure of arc bc
Hunter-Best [27]
115 would be your answer because 180-65=115
6 0
3 years ago
Carlos has taken an initial dose of a prescription medication.
Marat540 [252]

Answer:

3.48 hours

Step-by-step explanation:

The equation is:

M(t)=20 e^{-0.86t}

Where

M(t) is the amount of medication remaining in mg

t is the time it takes, in hours

The questions asks HOW LONG it will take to make the remaining medication to 1 milligrams (1 mg)??

We have to substitute M(t) with "1" and find the corresponding value of "t". We will use natural log to solve this. Shown below:

M(t)=20e^{-0.86t}\\1=20e^{-0.86t}\\0.05=e^{-0.86t}\\Ln(0.05)=Ln(e^{-0.86t})\\Ln(0.05)=(-0.86t)Ln(e)\\t=\frac{Ln(0.05)}{-0.86}\\t=3.48

<u>Note: </u> Ln(e) = 1

This means, the amount of time it will take is about 3.48 hours

8 0
3 years ago
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