3 years ago

11 in.

Mathematics

1 answer:

andrew11 [14]3 years ago

7 0

Answer:

The area would be 380.13

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Answer:

¿Qué tipo de trabajo estás haciendo?

Step-by-step explanation:

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3 years ago

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6) A geologist collects rocks. He has three types, sedimentary, metamorphic and

rodikova [14]

Answer:

3:5

Step-by-step explanation:

s:m = 2:3

m:i = 9:10

convert m to same number so they are comparable

s:m = 6:9 (multiple so the ratio is still the same as 2:3)

m:i = 9:10 (the same thing as before)

s:i = 6:10

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2 years ago

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Anni [7]

The work is on the picture attached, but a = 1
Hope this helps!!

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3 years ago

Use the quadratic formula to solve. Round to the nearest tenth if necessary.<br> 2x^2 -3x -7 = 0

abruzzese [7]

The quadratic formula is:

$\frac{-b + \sqrt{b^2 - 4ac} }{2a}$ and $\frac{-b - \sqrt{b^2 - 4ac} }{2a}$

In this case, a = 2, b = -3, and c = -7

So, we can plug in the numbers to get:

$\frac{-(-3) + \sqrt{(-3)^2 - 4(2)(-7)} }{2(2)}$ and $\frac{-(-3) - \sqrt{(-3)^2 - 4(2)(-7)} }{2(2)}$

Simplifying, we get:

$\frac{3 + \sqrt{65} }{4}$ and $\frac{3 - \sqrt{65} }{4}$

You need to use a calculator to find what these would be in decimal form. The answer, rounded to the nearest tenth, is: x = 2.8, x = -1.3

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2 years ago

Another Math Question!

Tresset [83]

I did this equation and it’s A

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3 years ago