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3 years ago

12

Addison studies a tarantula that is 30 millimeters long. Supposeshe uses a microscope to magnify the spider by 4 X 10 2nd Power.

How long will the spider apprear to be ?

1 answer:

insens350 [35]3 years ago

8 0

40 because 4 × 10 =40

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Solve for x................

alexandr402 [8]

Answer:

Option C

$x={1(+/-)2\sqrt{3}}$

Step-by-step explanation:

we have

$x^{2}-2x-11=0$

we know that

The formula to solve a quadratic equation of the form $ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2}-2x-11=0$

so

$a=1\\b=-2\\c=-11$

substitute

$x=\frac{-(-2)(+/-)\sqrt{-2^{2}-4(1)(-11)}} {2(1)}$

$x=\frac{2(+/-)\sqrt{4+44}} {2}$

$x=\frac{2(+/-)\sqrt{48}} {2}$

$x=\frac{2(+/-)4\sqrt{3}} {2}$

$x={1(+/-)2\sqrt{3}}$

8 0

3 years ago

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raketka [301]

5. The value of k is the same of b in the original linear equation formula (y=mx+b). The b (or k here) changes where the equation itself fits on the graph. If a +0 is replaced with a -5, then the equation is shifted down by five units. I've graphed it below for you (where f(x) is in red and g(x) is in blue). Hope this helps!

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WILL GIVE BRAINLIEST

puteri [66]

Step-by-step explanation:

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3 years ago

Round 7.21 to the nearest whole number.

gtnhenbr [62]

It’s 7...your answer is 7

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MakcuM [25]

Answer:

line p matches with the first equation

Step-by-step explanation:

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