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My name is Ann [436]
2 years ago
11

1. (-78) + (-98) =

Mathematics
1 answer:
Iteru [2.4K]2 years ago
8 0

Answer:

1.-179

2.68

3. 11

4. 25

5. -734

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Please help me with this problem
deff fn [24]

Answer:

C.  -3(√y)(∛x²)

Step-by-step explanation:

Recall the rule for exponents with fractions.  The numerator represents the power the variable is raised by, and the denominator represents the which root will be taken.  

y^1/2 equals √y

and x^2/3  equals ∛x²

So the answer is -3(√y)(∛x²)

Look at the attached image for more clarification

7 0
2 years ago
PLEASE HELP. A cylinder has a radius of 3 feet and a height of 2.1 feet. What is the volume of the cylinder to the nearest tenth
Sergio039 [100]
I am pretty sure its d.

4 0
3 years ago
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Find the area of the shaded regions<br> Will give brainliest!!
DochEvi [55]

Answer:

it is 40pi

Step-by-step explanation:

pi r^2 and you have 144 degrees shaded which is 40% of the circle.

You find the total volume to be 100pi and you divide by .4 (40%) to get 40pi as your answer

4 0
3 years ago
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Which is equivalent to the complex number i^32?
Ksivusya [100]

Answer:

where i^2 = -1 (minus one)

So, i^2 = -1

i^4 = (i^2)^2 = (-1)^2 = -1 X-1 = 1

like ;

i^32 = (i^2)^16 = (-1)^16 =  -1 X -1 X-1 X -1 X-1 X -1 X-1 X -1 X-1 X -1 X-1 X -1 X-1 X -1 X-1 X -1 X

     = 1

Step-by-step explanation:

4 0
3 years ago
A sample with which of these variances has a standard deviation that is greater than the variance?
svetlana [45]
Standard deviation is the square root of the variance. For the square root of a number to be greater than the number, the number must be between 0 and 1.
Hence, for the standard variation to be greater than the variance, the variance must be between 0 and 1.

Answer: C [0.75]
5 0
2 years ago
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