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vitfil [10]
3 years ago
7

A cereal box is a rectangular prism that is 8 inches long and 2 1/2 inches wide. the volume of the box is 200 inches cubed. what

is the height of the box?
Mathematics
1 answer:
Archy [21]3 years ago
8 0
You have to multiply 8 and 2 1/2 which is 20. Then divide 20 and 200. Then you get 10 and that is your answer.
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Explain and demonstrate the multiplication of complex conjugates using 2+3i and its complex conjugate. Be sure to discuss all st
krok68 [10]

The product of a <em>complex</em> number and its conjugate is (a + i b) · (a - i b), where a and b are <em>real</em> numbers, and the result for the <em>complex</em> number 2 + i 3 is 13.

<h3>What is the multiplication of a complex number and its conjugate</h3>

Let be a <em>complex</em> number a + i b, whose conjugate is a - i b. Where a and b are <em>real</em> numbers. The product of these two numbers is:

(a + i b) · (a - i b)

Then, we proceed to obtain the result by some algebraic handling:

a · (a + i b) + (- i b) · (a + i b)

a² + i a · b - i a · b - i² b²

a² - i² b²

a² + b²

If we know that a = 2 and b = 3, then the product of the complex number and its conjugate is:

z\cdot \bar z = 2^{2} + 3^{2}

z\cdot \bar z = 13

To learn more on complex numbers: brainly.com/question/10251853

#SPJ1

6 0
2 years ago
Amy and Jade bought packages of gum. Amy bought a total of 48 pieces. Jade bought a total of 32 pieces. If each package had the
dolphi86 [110]

Answer:

16 pieces were in each pack of gum

7 0
3 years ago
Please help me answer this one question
EleoNora [17]

Answer:

1=b. 2=a

Step-by-step explanation:

Since there are corresponding angles, 1 and b will be congruent, and 2 and a will be congruent.

7 0
3 years ago
Read 2 more answers
Which is the better buy? 22 vitamins for $2.00 at Rite Aid or 40 Vitamins for $3.00 at CVS. Explain why​
Sati [7]

Answer:

40 for $3

Step-by-step explanation:

you get an extra 18 for $1:00 here if you got 2 of each 22+22 is 44 for $4 40+40 is 80 for $6

hope this helps

3 0
3 years ago
PLEASE HELP
Aneli [31]

Answer:

Terrell drove 200 miles one way

Step-by-step explanation:

Since his trip concluded at 9 hours, let's say that x = time traveled at 40 mph

and 9 - x = time traveled at 50 mph

D = (rate) x (time)

<em>40x = 50(9 - x)</em> -----Use Distributive property on the right side of the equation

<em>40x = 450 - 50x</em><em> </em>-----Add 50x on both sides

<em>90x = 450</em> ------Divide by 90 on both sides

We end up with<em>  x = 5  </em>which is the value we need to determine the distance of our first trip, calculated by

<em>D = 40x</em>, or <em>40(5) = 200 mi</em>

6 0
3 years ago
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