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Grace [21]
3 years ago
14

What are a and b when you write √-16 in the form a+bi, when a and b are real number?

Mathematics
1 answer:
dangina [55]3 years ago
8 0
The answer is d because
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What is the solution to the following equation x^2 +3x+ 7=0
sineoko [7]

Answer:

x= -1.4 i think

Step-by-step explanation:

8 0
3 years ago
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Karen is a software saleswoman. Her base salary is $2100, and she makes an additional $50 for every copy of English is Fun she s
Shalnov [3]

Karen has a base salary that is $2100 and does not depends on how many copies she sells.

Additional to the base salary, she gets $50 for each copy she sells, so we can write this additional salary as 50*N, being N the number of copies she sells.

Then, we can write the total pay P as:

P=2100+50N

Then, if N=22, we can calculate the total pay as:

P(22)=2100+50\cdot22=2100+1100=3200

Answer:

The equation relating P and N is P=2100+50N.

The total pay when she sells 22 copies is $3,200.

4 0
1 year ago
Coldstone Creamery has a variety of different ice-cream flavors that they offer, and they have a variety of different serving si
Jobisdone [24]

Answer:

H0 : flavor and serving size are independent

H1: Flavor and serving size are not independent

Step-by-step explanation:

The claim or hypothesis is to test if there is a relationship between the different types of flavor (vanilla, strawberry and chocolate) and the size (large, medium and. Small) being ordered. This is the the Alternative hypothesis, in other words to establish that flavor type and size are not independent, (that is the two variables are correlated).

The Null hypothesis will be the opposite of the alternative, establish that both variables are independent.

Hence ;

Null hypothesis ; H0 : flavor and serving size are independent

Alternative ; H1: Flavor and serving size are not independent

5 0
3 years ago
olisa charges $12.00 an hour to fix lawn mowers. if olisa works 2 1/4 hours on a lawn mover, how much should she charge?
Sergio039 [100]
12*2(1/4) = 27
Olisa should charge $27.
3 0
3 years ago
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(1/4)^-2 - (5^0 * 2) * 1^-1
Agata [3.3K]
14 is the answerrrrrrrrrrrrr
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4 years ago
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