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4 years ago

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Mathematics

1 answer:

mezya [45]4 years ago

6 0

I hope this helps, wrote out the explanation cause its better on paper.

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2/7 x N = 8/5 <br> What is the fraction for N?

olga nikolaevna [1]

Answer:

Assuming ur solving for n

2/7n=8/5

Sinc edits a proportion cross multiply

now you’d get 28=5n

Or if you solve

n= 28/5 or 5 3/5

5 0

3 years ago

Read 2 more answers

Three pirates named Ahab, Sparrow, and Davy play a game. The pirates have a total of 210 coins, and each pirate has a different

Alika [10]

Step-by-step explanation:

at the end of game, sparrow has $\frac{5}{4+5+6} \times 210=70$ coins. since he loss 5+7=12 coins, then at the beginning he has 70+12=82 coins

3 0

3 years ago

If one zero Of polynomial f(x)=(k^2+4)x^2+13x+4k is Reciprocal Of the other find the value of K?

Ierofanga [76]

Answer:

use this app photomath

Step-by-step explanation:

You can take a photo and its gives you the answer and the explanation

3 0

4 years ago

PLS HELP ASAP I SUCK AT THIS PLSS

Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

60*0.45=27

5 0

3 years ago

Describe the solutions for the quadratic equation shown below:

PtichkaEL [24]

The solutions for the quadratic equation 9x² - 6x + 5 = 0 are A. 2 complex roots

To determine the the type of roots the quadratic equation 9x² - 6x + 5 = 0, we use the quadratic formula to find the roots.

So, for a quadratic equation ax + bx + c = 0, the roots are

$x = \frac{-b +/- \sqrt{b^{2} - 4ac} }{2a}$

With a = 9, b = -6 and c = 5, the roots of our equation are

$x = \frac{-(-6) +/- \sqrt{(-6)^{2} - 4 X 9 X 5} }{2 X 9} \\x = \frac{6 +/- \sqrt{36 - 180} }{18} \\x = \frac{6 +/- \sqrt{-144} }{18} \\x = \frac{6 +/- \sqrt{-12} }{18}\\x = \frac{6}{18} +/- i\frac{12}{18} \\x = \frac{1}{3} +/- i\frac{2}{3} \\x = \frac{1 + 2i}{3} or \frac{1 - 2i}{3}$

Since the roots of the equation are (1 + 2i)/3 and (1 - 2i)/3, there are 2 complex roots.

So, the solutions for the quadratic equation 9x² - 6x + 5 = 0 are A. 2 complex roots

Learn more about quadratic equations here:

brainly.com/question/18117039

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3 years ago