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3 years ago

Which quotient will be negative? 24 ÷ 6 -35 ÷ 7 -54 ÷ (-6) 3 ÷ (-1)

1 answer:

4 0

If you would like to know which quotient will be negative, you can find this using the following steps:

24 / 6 = 4
-35 / 7 = -5
-54 / (-6) = 9
3 / (-1) = -3

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diamong [38]

Answer:

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2 years ago

What are the solutions to the equation 2x^2 + 9x =5

Maksim231197 [3]

Answer:

$\displaystyle -5 \ and \ \frac{1}{2}$

Step-by-step explanation:

$2x^2 + 9x =5$

we have to move 5 in the other side with a different sign, to get a 2 grade ecuation

$2x^2 + 9x -5= 0$

now we know

a=2

b=9

c=-5

we have to find delta

$\boxed{\Delta=b^2-4ac} \\\\ \Delta=9^2-4\cdot2\cdot(-5)\\ \Delta=81+40 \\ \Delta=121$

and now we have to use the formula to find the root square

$\displaystyle \boxed{ X_{1,2}=\frac{-b\pm\sqrt{\Delta} }{2a} }$

$\displaystyle X_1=\frac{-b-\sqrt{\Delta} }{2a} =\frac{-9-11}{2\cdot2}=\frac{-20}{4} =-5$

$\displaystyle X_2=\frac{-b+\sqrt{\Delta} }{2a} =\frac{-9+\sqrt{121} }{2\cdot4} =\frac{-9+11}{4} =\frac{2}{4} =\frac{1}{2}$

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3 years ago

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A local hamburger shop sold a combined total of 639 hamburgers and cheeseburgers on Monday. There were 61 fewer cheeseburgers so

Anastaziya [24]

The answer to the question

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3 years ago

If cot theta = -2, find the value of cot theta + cot (theta -pi) + cot (theta-2pi)

nika2105 [10]

Given:

$\cot \theta = -2$

To find:

The value of $\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)$ .

Solution:

We know that,

$\cot (\theta -n\pi)=\cot \theta$ ...(i)

Where n is an integer.

We have,

$\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)$

Using (i), it can be written as

$\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)=\cot \theta +\cot \theta +\cot \theta$

$\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)=3\cot \theta$

It is given that $\cot \theta = -2$ .

$\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)=3(-2)$

$\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)=-6$

Therefore, the value of the given function expression is $-6$ .

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3 years ago

Savannah got her hair done. If it costs $120 and she tips her hairdresser 18%, how much tip will her hairdresser receive

frozen [14]

Answer:

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Do 0.18 (18%) times 120

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3 years ago

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