3 years ago

The equation is equivalent to u = rst. True/ False

Mathematics

1 answer:

Jlenok [28]3 years ago

7 0

The equation r = u/st is equivalent to u = rst .

True

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If f(x)=x^2- 4 and g(x)=x^2 plus 2 x,

gregori [183]

Answer:

$\huge\boxed{(f-g)\left(-\dfrac{1}{3}\right)=-3\dfrac{1}{3}}$

Step-by-step explanation:

$\text{We have}:\\\\f(x)=x^2-4\ \text{and}\ g(x)=x^2+2x\\\\(f-g)(x)=f(x)-g(x)\\\\\text{therefore}\\\\(f-g)(x)=(x^2-4)-(x^2+2x)=x^2-4-x^2-2x\\\\=(x^2-x^2)-2x-4=-2x-4\\\\(f-g)\left(-\dfrac{1}{3}\right)\to\text{put}\ x=-\dfrac{1}{3}\ \text{to the equation of the function}\ (f-g)(x):\\\\(f-g)\left(-\dfrac{1}{3}\right)=-2\left(-\dfrac{1}{3}\right)-4=\dfrac{2}{3}-4=-3\dfrac{1}{3}$

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3 years ago

Find the volume of a hemisphere whose radius is 7.5

Ivahew [28]

The answer is 1767.16 ;)

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2 years ago

Find the midpoint M of the line segment joining the points A= (-7, -6) and B= (1,8).

Marrrta [24]

Step-by-step explanation:

Use midpoint formula,

x = -6/2 = -3 , y=2/2 =1

(x,y)=(-3,1)

so , the coordinates of mid point of line segment is M (-3,1)

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3 years ago

Once simplified, which of the expressions below is equal to 14x+3? Select all that apply.

fgiga [73]

Answer:

A and B

Step-by-step explanation:

9x+9+5x-6

14x+3

32x+8-18x-5

14x+3

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2 years ago

Read 2 more answers

Dr. Graves placed the Venn Diagram and list of numbers on the board.

Yuri [45]

Answer:

Step-by-step explanation:

List of numbers on the board:

-0.24, 5/17, 287, 1.3, -91, -2 2/5

We can split the numbers as following

Rational numbers:

All listed

Integers:

287 and -91

Whole numbers:

Correct diagram is J

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2 years ago