2 years ago

Heeeeeelp please !!!!!!!!

Mathematics

2 answers:

Harlamova29_29 [7]2 years ago

6 0

4440/10 Is the answer

kvasek [131]2 years ago

5 0

Just look it up! an easy answer will pop right up! (:

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The true statement is that minerals come from the ground as crystals. Hope this helps!

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3 years ago

The Pythagorean theorem is a^2+b^2=c^2<br> Solve for b.

rodikova [14]

Answer:

see explanation

Step-by-step explanation:

given

a² + b² = c² ( isolate b² by subtracting a² from both sides )

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$\sqrt{b^{2} }$ = ± $\sqrt{c^2-a^2}$

b = ± $\sqrt{c^2-a^2}$

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2 years ago

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Ray Of Light [21]

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120

Step-by-step explanation:

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2 years ago

Please help me I’ve asked this questions several times and I really need help with this I do not understand it at all

Ulleksa [173]

Answer:

(-5,-2)

(-4,-3)

(-6,-1)

Step-by-step explanation:

-5(x)-2(y)=-7

-4(x)-3(y)=-7

-6(x)-1(y)=-7

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2 years ago

On a test that has a normal distribution, a score of 60 falls two standard deviations above the mean, and a score of 42 falls on

Sergeu [11.5K]

Answer:

Step-by-step explanation:

Given that:

$A \ score \ of \ 60 \ falls \ two \ standard \ deviations \ above \ the \ mean \\ \\ A \ score \ of \ 42 \ falls \ one \ standard \ deviation \ below \ the \ m ean$

The interval for score = 60 - 42 = 18

If we divide it by the 3 standard deviations; the interval result into

= 18/3

= 6

So, the standard deviation is 6, and the mean = 42 + 6

= 48

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2 years ago

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