3 years ago

Two questions.

Mathematics

1 answer:

AleksAgata [21]3 years ago

4 0

Answer:

Step-by-step explanation:

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The price of a notebook was

aleksandr82 [10.1K]

(3.90 - 3.40) / (3.90) = 0.50 / 3.90 = 0.128 x 100 = 12.8%

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3 years ago

Help help help help please please thank

zlopas [31]

Answer:

it's the 2nd answer.....

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3 years ago

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20 POINTS!!!!!! AND BRAINLY Solve this problem.

lapo4ka [179]

Hello! And thank you for your question!

As we know she gets 24 paychecks. But there are only 12 months in a year. This must mean she gets 2 paychecks in one month.

2 x $863.50 =

= $1724

Final Answer:

$1724

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3 years ago

95i is a root of f(x)=x^2 +9025. find the other roots of f(x)

Alex_Xolod [135]

Answer:

Other root is -95i

Step-by-step explanation:

Here, Nature of roots of f(x) is imaginary roots.

Therefore, Roots are conjugate of each other.

Conjugate of x + yi is x - yi.

we get conjugate of 95i as -95i

Verification shows....

(x-95)(x+95i)=0

${x }^{2} - {95}^{2} {i}^{2} = 0 \\ {x }^{2} + {95}^{2} = 0 \\ {x }^{2} + 9025= 0 \\ f(x) = 0$

this, roots are -95i and 95i

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3 years ago

A circle with radius 6 has a sector with a central angle of 48º.

VARVARA [1.3K]

Answer:

Area of the sector = pi*(6^2)*(48/360)=4.8*pi= 15.079

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3 years ago

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