4 years ago

Help me worth 25 points

Mathematics

1 answer:

eimsori [14]4 years ago

6 0

Your area is 37, hope this helps.

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Kevin is 14 inches taller than George. The difference between Kevin and Richard is two inches less than between Richard and Geor

Artemon [7]

1 foot is 12 inches which makes 14 1.2

6.6-1.2= 5'4 george

richard is 6'0

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3 years ago

A restaurant customer left $1.30 as a tip. The tax was 5% and the tip was 10% of the cost including tax.

Nana76 [90]

Tax is not required as there is 10%off the cost including tax.

$\\ \sf\Rrightarrow 10\%\:of\:1.30$

$\\ \sf\Rrightarrow 0.13$

total bill:'

$\\ \sf\Rrightarrow 1.30+0.13=1.43$

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2 years ago

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Please help, I am bad at math and I don't know how to answer this question please help

katovenus [111]

Answer:

You have to make the fraction into a whole number.

Step-by-step explanation:

Hope this helps. :)

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3 years ago

PLEASE HELP ASAP WILL MARK BRAINLIEST<br><br> Solve the quadratic equation <br> 18x^2 -153x -172 =0

steposvetlana [31]

X=9.51 or x=-1.01 (to 3 sf)
if you want exact value just continue from where i left off from the pic :)
its the quadratic formula i think thats the name of it

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3 years ago

What are the possible values of x in x2 + 3x + 3 = 0?

e-lub [12.9K]

To solve a quadratic equation like $ax^2+bx+c=0$ , you can use the quadratic formula

$x_{1,2} = \cfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

In your case, $a = 1, b = c = 3$ , so the formula becomes

$x_{1,2} = \cfrac{-3\pm\sqrt{(-3)^2-4\cdot 1\cdot 3}}{2\cdot 1}$

We can simplify the expression:

$x_{1,2} = \cfrac{-3\pm\sqrt{9-12}}{2} = \cfrac{-3\pm\sqrt{-3}}{2}$

Since -3 is negative, its square root is computed as

$\sqrt{-3} = \sqrt{-1\cdot 3} = \sqrt{-1}\sqrt{3} = \sqrt{3}i$

So, the solutions are

$x = \cfrac{-3+i\sqrt{3}}{2} \text{ or } x = \cfrac{-3-i\sqrt{3}}{2}$

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3 years ago

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