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3 years ago

13

Anyone want to help me with math Solve 1−2/5 < 5x+2/5−4x

1 answer:

Masteriza [31]3 years ago

7 0

Answer:x > 1/5

Step-by-step explanation:

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I dont understand! help and how do i show my work?<br>please help! i need it desperately

Marrrta [24]

The answer is
4 5/8

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2 years ago

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Subtract and write your answer as a mixed number 9 4/5 - 7 1/2

viktelen [127]

The answer is 2 3/10

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2 years ago

Write 2,670,000 in scientific notation.

hjlf

Scientific notation is just rewritten so that it has a single digit in front of the decimal and that this is multiplied by a power of ten that makes this decimal equal to the original number.

In this case we have 2.67 million. Well a million is equal to 10^6, because 10*10*10*10*10*10=one million.

So in scientific notation you would write:

2.67X10^6

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2 years ago

Use differentials to estimate the amount of paint needed to apply a coat of paint 0.07 cm thick to a hemispherical dome with dia

Sav [38]

Answer:

10.12 $m^{3}$

Step-by-step explanation:

Given:

0.07 cm thick = 0.007m and it is dr (the change in radius)

As we know that, the volume of a hemispherical dome with diameter 48 m is:

V = $\frac{2}{3}$ π $r^{3}$

Take the derivative of V we have:

$\frac{dV}{dr}$ = 2π $r^{2}$

<=> dV = 2π $r^{2}$ *dr

<=> dV = 2π* $48^{2}$ *0.0007 = 10.12 $m^{3}$

Hope it will find you well.

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3 years ago

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How would the number 48.15 be written in words?

bezimeni [28]

Answer:

forty-eight point fifteen

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2 years ago

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