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3 years ago

A scientist digs near an ancient city,

Mathematics

2 answers:

lorasvet [3.4K]3 years ago

7 0

Answer:

Step-by-step explanation:

Ok, so the |-9| = 9. |-2|=2.

The cup (buried at -9 feet) is farther from the surface because 9 > 2/

Dvinal [7]3 years ago

3 0

Your answer is c I think.

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Solve for x, given the equation Square root of x plus 9 − 4 = 1.

yuradex [85]

√x + 9 - 4 = 1
√x + 5 = 1
√x = -4
√x = √-4
x = 2i

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3 years ago

Read 2 more answers

Determine the domain of the function. <br> f(x) = 13/3-x

Sedbober [7]

Hi..... the domain(D) will be:

$\mathtt {f(x)=\dfrac{13}{3-x}\rightarrow \boxed{D=\{x\in R\,|\,x\neq 3\}}}$

Thanks... :)

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3 years ago

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Stella [2.4K]

Step-by-step explanation:

$f(3) = {(3)}^{2} + 3(3) - 7 = 9 + 9 - 7 \\ = 18 - 7 = 11$

$g(3) = 5(3) - 3 = 15 - 3 = 12$

$f(3) + g(3) = 11 + 12 = 23$

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6 0

2 years ago

Please help me out ?

vova2212 [387]

An obtuse triangle is formed if there is an angle that has a measure of more than 90 degrees. You can determine if an obtuse angle is formed by two sides of a triangle if it meet this condition:

Let a and b be two sides of a triangle and c is the longest side:
$a^{2} + b^{2} \ \textless \ c^{2}$

So taking your given:

$10^{2} + 15 ^{2}$ < $c^{2}$
100 + 225 < $c^{2}$
325 < $c^{2}$

To get the smallest possible number, just get the square root of both sides:

$\sqrt{325}$ < $\sqrt{c^{2} }$
18.03 < c

So your smallest possible whole number is 19

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3 years ago

Please help, I need this .

ohaa [14]

14.4, if my calculator was correct

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3 years ago