3 years ago

What is 3 3/5 times 5/7 in the simplest form cause my teacher is mean

Mathematics

1 answer:

Kisachek [45]3 years ago

6 0

Answer:

2.57 might be right. If its not then I'm sorry

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> i think i’m not very positive

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3 years ago

Mr. Brown's salary is $32,000 and it increases by 3% each year. What is the explicit rule for this sequence in simplified form?

katovenus [111]

Answer:

This is the concept of geometric series. We are required to find the recursive formula for year n. Here we will use the formula;

nth=ar^(n-1)

where;

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n=nth term

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3 years ago

Find all the zeroes of the equation(with simple steps).

uysha [10]

Answer-

The zeros are, $5,\ -5,\ 4i,\ -4i$

Solution-

$\Rightarrow -3x^4+27x^2+1200=0$

$\Rightarrow -3(x^2)^2+27(x^2)+1200=0$

Here,

a = -3, b = 27, c = 1200

So,

$x^2=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

$=\dfrac{-27\pm \sqrt{-27^2-4\cdot (-3)\cdot 1200}}{2\cdot (-3)}$

$=\dfrac{-27\pm \sqrt{729+14400}}{-6}$

$=\dfrac{-27\pm 123}{-6}$

$=\dfrac{-27+123}{-6},\ \dfrac{-27- 123}{-6}$

$=\dfrac{96}{-6},\ \dfrac{-150}{-6}$

$=-16,\ 25$

So,

$\Rightarrow x^2=25,\ -16$

$\Rightarrow x=\sqrt{25},\ \sqrt{-16}$

$\Rightarrow x=5,\ -5,\ 4i,\ -4i$

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3 years ago

A very small dinosaur, the Microraptor, was only 1.3 feet long, One of the larger dinosaurs, the diplodocus, was about 91 feet l

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Divide 90 by 1.3 and you will get your answer.

Do it yourself! just follow instructions!

<3

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4 years ago

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Box 250 because it’s the most medium weight

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