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3 years ago

Help a girl out plzz:( im confused

Mathematics

1 answer:

nikdorinn [45]3 years ago

7 0

Answer:

Step-by-step explanation:

the quotient means divide

7/y

the first number is the numerator and the second number is the denominator

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I NEED HELP ASAP PLEASE! :)

sesenic [268]

Answer:

option 1

Step-by-step explanation:

$r=\sqrt{(5\sqrt{2})^{2}+(-5\sqrt{2})^{2} } \\\\=\sqrt{25*2+25*2}\\\\ =\sqrt{50+50}\\\\=\sqrt{100}\\\\=10$

$x=tan^{-1}(\frac{-5\sqrt{2}}{5\sqrt{2}})\\\\x=tan^{-1} (-1)\\x=\frac{7\pi}{4}$

$re^{ix}=10e^{i\frac{7\pi}{4}}$

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4 years ago

Solve quadratic equation by factoring X^2 + 7x +10=0

miss Akunina [59]

There’s your answer:)

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4 years ago

Krista wants to paint her house. She buys 7 1/2 gallons of paint. She uses 3/5 of the paint the front of her house and then buys

Elenna [48]

Answer:

B) 6

Step-by-step explanation:

$7\frac{1}{2}(\frac{3}{5}) + 1\frac{1}{2}$

convert mixed fractions to improper

$= \frac{15}{2}(\frac{3}{5}) + \frac{3}{2}$

multiply numerators 15*3 and denominators 2*5 where you multiply fractions

$= \frac{45}{10} + \frac{3}{2}$

find a common denominator, 10. for 3/2, multiply top and bottom by 5.

$= \frac{45}{10} + \frac{15}{10} = \frac{45+15}{10}$

$= \frac{60}{10}$

$= 6$ <= reduced to lowest terms

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3 years ago

Write 3 1/8 as an improper fraction. 15/ 18/8 21/8 25/8

ser-zykov [4K]

Answer:

25/8 :))

Step-by-step explanation:

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3 years ago

Solve for b. -1b - 8 > -7

kondor19780726 [428]

Step-by-step explanation:

Hey there!

Given;

-1b - 8 > -7

Take '-8' to right side.

-1b > -7+8

-1b > 1

b > -1

Hope it helps...

7 0

3 years ago