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3 years ago

Can someone help me on this problem? I will make some brainlist! is only the answer is right!

Mathematics

1 answer:

steposvetlana [31]3 years ago

4 0

Answer: its b

Step-by-step explanation:

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What is 0.000057 in scientific notation?a.b.c.d.

Alborosie

Move decimal point to right side five times to get 5.7*10^-5. (5.7 multiply by 10 to the power of negative five) (This is the scientific notation)

5 0

3 years ago

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If a cylindrical vase has a 63 cubic centimeter volume an a cone has the same height and radius as the cylinder what is the volu

VladimirAG [237]

Answer:

$21cm^{3}$

Step-by-step explanation:

According to the problem, calculation of given data are as follows,

Volume of cylindrical vase = $63cm^{3}$

As, Cone has same height and radius as cylinder, than we can calculate volume of cone by using following formula,

Volume of cone = $\frac{1}{3}$ × Volume of cylindrical vase

By putting the value, we get

Volume of cone = $\frac{1}{3}$ × 63

Volume of cone = $21cm^{3}$

8 0

3 years ago

What is the rate of change of a line that passes through the points (-3,5) and (2,-1)?

lara [203]

Answer:

3/4

Step-by-step explanation:

The slope of the line is

m = (y2-y1)/(x2-x1)

= (-2--5)/(6-2)

= (-2+5)/(6-2)

=3/4

6 0

3 years ago

Aiden calculated the area of triangle QRS below by finding half the product of 1.5 and 1.1. Triangle Q R S has a base of 5.4 and

Orlov [11]

Answer:

Step-by-step explanation:

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3 years ago

arrange the expressions in the correct sequence to rationalize the denominator of the expression -(2)/(\sqrt(x+y-2)-\sqrt(x+y+2)

cupoosta [38]

We have to rationalize the denominator:
$\frac{-2}{ \sqrt{x+y-2} - \sqrt{x+y+2} } = \\ \frac{-2}{ \sqrt{x+y-2} - \sqrt{x+y+2} }* \frac{ \sqrt{x+y-2}+ \sqrt{x+y+2} }{ \sqrt{x+y-2}+ \sqrt{x+y+2} }= \\ \frac{-2*( \sqrt{x+y-2}+ \sqrt{x+y+2}) }{x+y-2-(x+y+2)}= \\ \frac{-2*( \sqrt{x+y-2}+ \sqrt{x+y+2}) }{x+y-2-x-y-2}= \\ \frac{-2*( \sqrt{x+y-2}+ \sqrt{x+y+2} }{-4}= \\ \frac{ \sqrt{x+y-2}+ \sqrt{x+y+2} }{2}$

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3 years ago

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