2 years ago

WILL MARK BRAINLIEST!!!

Mathematics

1 answer:

Rus_ich [418]2 years ago

5 0

Answer:

y= -2x -4

Step-by-step explanation:

slope: rise/run = 2/-1 = -2

y-intercept: -4

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Show how to get answer 2 for $24.99 or 5 for $58.99

bija089 [108]

You normally use division what u do is u did if 24.99 by 2
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3 years ago

3<br>Find the value of a <br>in the equation,(3+4√3)(2-a√3)=-18+2√3

ankoles [38]

Given:

The equation is:

$\left(3+4\sqrt{3}\right)\left(2-a\sqrt{3}\right)=-18+2\sqrt{3}$

To find:

The value of a.

Solution:

We have,

$\left(3+4\sqrt{3}\right)\left(2-a\sqrt{3}\right)=-18+2\sqrt{3}$

On simplification, we get

$(3)(2)+(4\sqrt{3})(2)+(3)(-a\sqrt{3})+(4\sqrt{3})(-a\sqrt{3})=-18+2\sqrt{3}$

$6+8\sqrt{3}-3a\sqrt{3}-4a(3)=-18+2\sqrt{3}$

$6+8\sqrt{3}-3a\sqrt{3}-12a=-18+2\sqrt{3}$

$(6-12a)+(8-3a)\sqrt{3}=-18+2\sqrt{3}$

On comparing both sides, we get

$6-12a=-18$

$-12a=-18-6$

$a=\dfrac{-24}{-12}$

$a=2$

And,

$8-3a=2$

$-3a=2-8$

$a=\dfrac{-6}{-3}$

$a=2$

Therefore, the value of a is 2.

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2 years ago

My new laptop was $824.99 plus the 10% tax. What is the total cost of the laptop?

lina2011 [118]

Answer:

Rounding up to the nearest hundredth, 907.49

Step-by-step explanation:

10% of 824.99 is 82.499 so all you have to do is 824.99 + 82.499 which will get you 907.48900 and rounding to the nearest hundreth will get you 907.49

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2 years ago

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S_A_V [24]

The distance between Jacksonville, FL and Tallahassee, FL would be about 160 miles apart.

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2 years ago

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Need help please will give you a 5 stars

GenaCL600 [577]

Answer:

option 1

Step-by-step explanation:

Here (2,0)

(2-4) square -4 is = 0

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3 years ago

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