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2 years ago

6

Which of the following numbers is a rational but not a integer

1 answer:

Temka [501]2 years ago

8 0

Rational numbers are numbers that can be turned into a fraction. They can be negative or positive.
Integers are whole numbers. They can be negative or positive.

Numbers such as 0.10 are rational because they can be turned into a fraction
0.10 = 1/10....and since it is not a whole number, it is not an integer.

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Question 10(Multiple Choice Worth 1 points)

tangare [24]

Good morning ☕️

Answer:

4(x + 3)(2x − 7)

Step-by-step explanation:

4(x + 3)(2x − 7) = 4(2x² − 7x + 6x − 21)

= 4(2x² − x − 21)

= 8x² − 4x − 84

____________________________

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3 years ago

Find f(x)=x^2-x^3,find f(-10)

sergij07 [2.7K]

Answer:

f(-10) = 1,100

Step-by-step explanation:

f(-10) = (-10)^2 - (-10)^3

= 100 - (-1000)

= 1,100

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3 years ago

What is the domain of the sine function ?

Reptile [31]

There are no restrictions on the domain of the since function.
The domain is all real numbers.

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2 years ago

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A right cylinder has a radius of 6 m and a surface area of 84 m². Find the surface area of a similar cylinder with a radius of 2

dlinn [17]

Answer:

The surface area of the second cylinder is equal to $9.33\ m^{2}$

Step-by-step explanation:

we know that

If two figures are similar then

the ratio of their surfaces areas is equal to the scale factor squared

Let

z-------> the scale factor

x------> the surface area of the smaller cylinder (second cylinder)

y-------> the surface area of the original cylinder (first cylinder)

so

$z^{2}=\frac{x}{y}$

Step 1

Find the scale factor

$z=\frac{2}{6}=\frac{1}{3}$

Step 2

Find the surface area of the second cylinder

we have

$z=\frac{1}{3}$

$y=84\ m^{2}$

substitute and solve for x

$(\frac{1}{3})^{2}=\frac{x}{84}$

$x=\frac{1}{9}*84=9.33\ m^{2}$

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3 years ago

Help!!!!!!!!!!!!!!!!!

Bogdan [553]

The answer is
a=6, b=12

8 0

3 years ago

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