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3 years ago

PLS HELP ME I NEED HELP DESPERATELY I ALSO NEEDA SHOW WORK PLS I POSTED THIS QUESTION SM TIMES W OUT NO HELP ME HELP ME

Mathematics

2 answers:

Amiraneli [1.4K]3 years ago

6 0

Answer:

x=3

Step-by-step explanation:

The equation for a vertical line is x=a, where a is any value

You plug in the point, and get x = 3

Veronika [31]3 years ago

3 0

Answer:

x = 3

Step-by-step explanation:

vertical line mean x always constant

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Find all the zeroes of the equation(with simple steps).

uysha [10]

<u>Answer-</u>

<em>The zeros are, $5,\ -5,\ 4i,\ -4i$ </em>

<u>Solution-</u>

$\Rightarrow -3x^4+27x^2+1200=0$

$\Rightarrow -3(x^2)^2+27(x^2)+1200=0$

Here,

a = -3, b = 27, c = 1200

So,

$x^2=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

$=\dfrac{-27\pm \sqrt{-27^2-4\cdot (-3)\cdot 1200}}{2\cdot (-3)}$

$=\dfrac{-27\pm \sqrt{729+14400}}{-6}$

$=\dfrac{-27\pm 123}{-6}$

$=\dfrac{-27+123}{-6},\ \dfrac{-27- 123}{-6}$

$=\dfrac{96}{-6},\ \dfrac{-150}{-6}$

$=-16,\ 25$

So,

$\Rightarrow x^2=25,\ -16$

$\Rightarrow x=\sqrt{25},\ \sqrt{-16}$

$\Rightarrow x=5,\ -5,\ 4i,\ -4i$

8 0

3 years ago

Please help I don't understand the math language

NNADVOKAT [17]

Answer:

Step-by-step explanation:

3x+4 while x is 5 means (3*5)+4 so 15+4=19

If that's not what you wanted I am sorry.

8 0

2 years ago

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How you reading in number seventy-five hundredths?

Juli2301 [7.4K]

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2 years ago

A camera has a listed price of $603.95 before tax. If the sales tax rate is 7.75%, find the total cost of the camera with sales

marysya [2.9K]

Answer:$650.75

Step-by-step explanation:

$603.95*7.75%=46.806125

$603.95+46.80

=$650.75

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3 years ago

Ben thinks that the largest place value that 5.6 and 1.78 have in common is the tenths place. Nichole thinks that the largest pl

-Dominant- [34]

The place values in 5.6 and 1.78 are the positions of the digits in the numbers

The largest place value common in 5.6 and 1.78 is the ones place
Nichole is correct

<h3>How to determine who is correct?</h3>

In a number, the non-zero digit at the left-most position is the greatest place value

This means that:

The greatest place value in 5.6 is 5 (i.e. ones place)

The greatest place value in 1.78 is 1 (i.e. ones place)

So, we can conclude that the largest place value common in 5.6 and 1.78 is the ones place

Hence, Nichole is correct