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Ganezh [65]
3 years ago
8

What is the value of the expression iº x ¡¹ × ¡² × ¡³ × ¡4? O 1 O-1 Oi O-i

Mathematics
2 answers:
qaws [65]3 years ago
7 0

Answer:

-1

Step-by-step explanation:

You mean i as sqrt(-1)?

If so,

Just simplify until you get 1×-1×-1×-1×1

=-1

sineoko [7]3 years ago
5 0

Answer:

Step-by-step explanation:

i^0+i^1+i^2+i^3+i^4\\=1+i+(-1)+i^2(i)+(i^2)^2\\=1+i-1+(-1)i+(-1)^2\\=1+i-1-i+1\\=1

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A girl scout troop sold cookies. If the girls sold 5 more boxes the second week than they did the first, and if they doubled the
mihalych1998 [28]
We can let x be the number of boxes sold for the first week. We can as well express the number of boxes for the second and third week through x using the statements provided.

Since the girl scout sold 5 more boxes on the second week, we have (x + 5) number of boxes sold for the second week. Now, for the third week, since it's double that of the second week, we have 2(x + 5). Thus, we have the following:

first week: x
second week: x + 5
third week: 2(x + 5)

Given that the total number of boxes sold for the three weeks is 431. We have

x + (x + 5) + 2(x + 5) = 431
x + x + 5 + 2x + 10 = 431
4x + 15 = 431
4x = 431 - 15
4x = 416
x = 104

We have now the value of x. Using this, we can find the values for the second and third week.
x + 5 = `104 + 5 = 109
2(x + 5) = 2(109) = 218

Answer: 
first week: 104
second week: 109
third week: 218



5 0
3 years ago
If a ball falls off a cliff that is 20 meters tall and down to the bottom of a pond that is 13meters deep, what is the total dis
MatroZZZ [7]

Answer:

Let H be height of a cliff

h depth of the pond

Total distance traveled (S)= H+h

S=20+13

S=33m

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
5x( 4y2 + 5z) – (4y2 + 52
mrs_skeptik [129]

Hello! :)

To solve your equation, we will simplify

5 x (4y^2 + 5z) - (4y^2 +52)

Let's Distribute the negative sign

5 x (4y^2 + 5z) + −1 (4y^2 + 52)

5x (4y^2 + 5z) + −1 (4y^2) + (−1) (52)

5x (4y^2 + 5z) + −4y^2 + −52

Now, we will Distribute

(5x) (4y2)+(5x) (5z) + -4y^2 + -52

20xy^2 + 25xz + −4y^2 + −52

Hope this helped you!

THEDIPER

3 0
4 years ago
Simplify: |5.74 + 2.89| – |16.20 + 41.32|
Kaylis [27]
Don't be lazy, use paper or pen, or type it into a calculator!
The answer is -48.89
5 0
4 years ago
A flagpole stands in the middle of a flat, level field. 50 feet away from its base, a surveyor measures the angle to the top of
Lorico [155]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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