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Pepsi [2]
3 years ago
10

Easy question easy points yall :p

Mathematics
2 answers:
yarga [219]3 years ago
8 0

Answer:

+or- 8

Step-by-step explanation:

take the square root of 64

Naddika [18.5K]3 years ago
6 0

The correct answer is the third option.

8 x 8 = 64

-8 x -8 = 64

If two of the exact same number are being multiplied together, the product will always be positive. -2 x -2 = 4, no matter what. I know it doesn't quite make sense, but it is what it is.

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Simplify 8 over the quantity of 2 plus 2i.
dexar [7]

\dfrac{8}{2+2i}=\dfrac{8}{2(1+i)}=\dfrac{4}{1+i}=\dfrac{4}{1+i}\cdot\dfrac{1-i}{1-i}=\dfrac{4(1+i)}{1^2-i^2}\\\\=\dfrac{4(1+i)}{1-(-1)}=\dfrac{4(1+i)}{1+1}=\dfrac{4(1+i)}{2}=2(1+i)=2+2i\\\\Used:\\(a-b)(a+b)=a^2-b^2\\\\i=\sqrt{-1}\to i^2=-1

5 0
3 years ago
1. A farmer estimates her hens will produce
a_sh-v [17]

Answer:

Expected profit per dozen eggs = 4 ¢

Expected profit on the total egg production = 60,000 ¢

Step-by-step explanation:

Complete table as obtained online

Net Profit | 8 | 6 | 4 | 2 | 0 | -2

Probability |0.1|0.4|0.2|0.1|0.1|0.1

a) Expected profit per dozen eggs

Expected value is given as

E(X) = Σ xᵢpᵢ

xᵢ = each variable

pᵢ = probability of each variable

E(X) = (8×0.1) + (6×0.4) + (4×0.2) + (2×0.1) + (0×0.1) + (-2×0.1) = 4 ¢ per dozen

b) Expected profit on the total egg production

Last year, she had 12,000 dozen eggs

This year, she estimates 3,000 dozen more eggs

Estimated Total egg production this year = 12000 + 3000 = 15,000 dozen eggs

Expected profit per dozen eggs = 4 ¢

Expected profit on 15,000 dozen eggs = 15000 × 4 = 60,000 ¢

Hope this Helps!!!!

5 0
3 years ago
2(3x + 1) - (x - 5) = 42
lbvjy [14]

Answer:

6x+2-1x+5=42

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Which expression means the sum of 5 and a number? A. g × 5 B. g – 5 C. g + 5 D. g ÷ 5
wel
For this case, the first thing you should do is define a variable.
 We have then:
 g: unknown number.
 We now write the expression in algebraic form.
 the sum of 5 and a number:
 g + 5
 Answer:
 
An expression that means the sum of 5 and a number is:
 
C. g + 5
5 0
3 years ago
Solve for x please I need help
ser-zykov [4K]

Answer: picture wont seem to load, maybe try again

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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