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4 years ago

In which quadrant does the given point lie? (8,-1)

Mathematics

2 answers:

Rzqust [24]4 years ago

5 0

Dude its the one below Q1 which is Q4 im the goat trust me

nlexa [21]4 years ago

4 0

The point (8,-1) would lie in the quadrant IV or 4.
Hope This Helps!

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when sunayana purcased a video-game she paid Rs 162.50 as VAT at the rate of 13%. find its cost without levying VAT. Rs 1250 is

horsena [70]

Answer: 1250

Step-by-step explanation:

Let x be the cost before vat

13/100x = 162.50

x = 162.50 x 100/13

x = 162.50 / 2.13

x = 1250

3 0

4 years ago

Can someone explain how to solve this step by step? Thank you

zysi [14]

Answer:

x=10

Step-by-step explanation:

Using the Rational Roots Test, we can say that the potential rational roots are

± (1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90).

Unfortunately, there doesn't really seem to be an easy way to figure out which numbers are actually roots outside of guess and check. Therefore, to solve this, we'll have to go through numbers until we hit something.

To make the process faster, I wrote a Python script as follows:

numbers = [1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90]

negative_numbers = [i * (-1) for i in numbers]

numbers = numbers + negative_numbers

for i in numbers:

if (i**3 - 10*(i**2) + 9*i-90) == 0:

print(i)

The result comes out as 10, meaning that 10 is our only rational root. Using the Factor Theorem, we can say that because 10 is a root, (x-10) is a factor of the polynomial. Using synthetic division, we can divide (x-10) from the polynomial to get

10 | 1 -10 9 -90

| 10 0 90

_________________

1 0 9 0

Therefore, we can say that

(x³-10x²+9x-90)/(x-10) = (x²+0x+9), so

x³-10x²+9x-90 = (x-10)(x²+9)

As the only solution to x²+9=0 contains imaginary numbers, x=10 is the only solution to x³-10x²+9x-90 = (x-10)(x²+9) = 0

7 0

3 years ago

The XYZ stock company registered a profit of $10 per share the first quarter, a loss of $15 the second, a loss of $20 the third,

earnstyle [38]

Answer:

Step-by-step explanation

The company started off with $10 in the first section(quarter). They lost (subtract)$15 in the second section, In the third section they lost (subtract)$20. In the final section they gained (plus) a profit of $25.

10-15-20+25=0

4 0

3 years ago

Read 2 more answers

Which pair of angles are vertical angles?

Vlad1618 [11]

ANSWER

$< \: WRS \: \:and \: < \: \: VRT$

EXPLANATION

Vertical angles face each other directly opposite just like the angles formed on the opposite sides of the letter X.

Vertical angles, also called vertically opposite angles are equal.

From the above diagram,
$< \: WRS= < \: VRT$

because they are vertically opposite to each other.

The correct answer is B.

8 0

3 years ago

Read 2 more answers

Which inequality is equivalent to -m 2 15?

inysia [295]

The correct answer is option 3: m≤-15

Step-by-step explanation:

The inequalities are solved by performing operations on both sides of inequality

Given inequality is:

$-m\geq 15$