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Aleks04 [339]
3 years ago
13

Which of the following is equivalent to -(8/3)?

Mathematics
1 answer:
Margaret [11]3 years ago
8 0
19/2 is the answer good luck
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Please answer the attached question and chose from the provided options.
Marat540 [252]

Answer:

Option A -\frac{19}{74}+\frac{71}{74}i

Step-by-step explanation:

we know that

To divide complex numbers, you must multiply by the conjugate.

we have

\frac{-8+3i}{5+7i}

To find the conjugate, change the sign between the two terms in the denominator

so

\frac{-8+3i}{5+7i}(\frac{5-7i}{5-7i})=\frac{-40+56i+15i-21i^{2}}{25-49i^{2}} \\\\=\frac{-40+71i-21(-1)}{25-49(-1)} \\\\=\frac{-19+71i}{74}\\\\=-\frac{19}{74}+\frac{71}{74}i

6 0
3 years ago
How much would a 15% tip be on a bill that cost $85?
miskamm [114]

Answer:

12.75

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Evaluate (2-51)(0+q)(0) when P= 2 and 9 = 51.<br> 291<br> 291–20<br> -211<br> 29
valentina_108 [34]

Answer:

its d         lol                

Step-by-step explanation:

8 0
3 years ago
The short leg of a 90-45-45 triangle is 5. What is the long leg and the hypotenuse?
Goryan [66]

The long leg and the hypotenuse of the isosceles right triangle will be 7.07 units.

<h3>What is a Pythagoras theorem?</h3>

The Pythagoras theorem states that the sum of two squares equals the squared of the longest side.

The Pythagoras theorem formula is given as

H² = P² + B²

The short leg of a 90-45-45 triangle is 5.

The right triangle is an isosceles right triangle. Then the two side will be same.

Then the long leg and the hypotenuse will be

H² = 5² + 5²

H² = 25 + 25

H² = 50

H = 7.07 units

More about the Pythagoras theorem link is given below.

brainly.com/question/343682

#SPJ1

4 0
2 years ago
Tan 30 degrees = x/7<br><br> please explain how to solve
krok68 [10]

tan(30) = (\frac{x}{7} )\\x = 7*tan(30)

After this step, find the button on your calculator that says 'tan' and type n 30 degrees, then press enter or the equal sign or whatever button you press to calculate.

You should get that tan(30) = 0.5774

Now plug that back into the equation

     x = 7 * 0.5774 = 4.0415 (approximated)

Hope that helps!

4 0
2 years ago
Read 2 more answers
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