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RUDIKE [14]
2 years ago
12

Evaluate a^2b^2? when a = 5 and b = 3.

Mathematics
1 answer:
kvasek [131]2 years ago
5 0

Answer:

D) 7

Step-by-step explanation:

a^{2} -2b^{2}

a=5

b=3

\left(5\right)^2-2\left(3\right)^2

Calculate 5 to the power of 2 and get 25:-

25-2\times 3^{2}

Calculate 3 to the power of 2 to get 9 and then multiply 2 and 9 to get 18:-

25-18

=7

<u>OAmalOHopeO</u>

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1)A bag contains seven red marbles and seven
Illusion [34]

Answer: 7/26

Step-by-step explanation:

7 red and 7 blue = 14 total

7/14 or 1/2 chance of getting red first

7/13 chance of getting red the second time

7/13*1/2 = 7/26

7/26 chance

sorry if it’s wrong but I hope it helps

3 0
3 years ago
Find the critical numbers of the function. (Enter your answers as a comma-separated list. Use n to denote any arbitrary integer
AfilCa [17]

Answer:

\theta = \cos^{-1} (\pm \frac{1}{2} )

Step-by-step explanation:

The function is g(\theta) = 8\cdot \theta - 2\cdot \tan \theta, whose first derivative is:

g'(\theta) = 8 - 2\cdot \sec^{2}\theta

Let equalize the derivative to zero:

8 - 2\cdot \sec^{2}\theta=0

\sec^{2}\theta = 4

1 = 4\cdot \cos^{2}\theta

\cos \theta = \pm\sqrt {\frac{1}{4} }

\cos \theta = \pm \frac{1}{2}

The solutions are given by the following inverse trigonometric function:

\theta = \cos^{-1} (\pm \frac{1}{2} )

6 0
2 years ago
I will literally pay you pls help me :(
vovikov84 [41]

The answer is 35

Since they are supplementary they both equal 180 degrees.

(3x+10)+(2x-5)=180

Add them up

5x-5=180

Subtract 5 from both sides

5x=180-5

5x=175

Divide 5 from both sides

x=35.

3 0
3 years ago
Guys, determine the equation of each line, given the information below:
KIM [24]

Answer:

The equation is;

4y = 7x + 2

Step-by-step explanation:

The general equation of a straight line is;

y = mx + b

where m is the slope and b is the y-intercept

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

(x1,y1) = (2,3)

(x2,y2) = (-2,-4)

m = (-4-3)/(-2-2) = -7/-4 = 7/4

So we have the equation as;

y = 7x/4 + b

To

get the value of b, we will substitute any of the points (let us use 2,3)

We simply substitute 2 for x and 3 for y

We have this as:

3= 7(2)/4 + b

3 = 7/2 + b

b = 3-7/2 = -1/2

So we have the equation as;

y = 7x/4 + 1/2

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3 0
3 years ago
What is the best and easiest method to use to find sides A and B?
Alchen [17]

what is the best and easiest method to use to find sides A and B?

B

3 0
3 years ago
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