2 years ago

Write the answer with the correct number of significant digits. 47.725 ft square 8.3 ft

Mathematics

1 answer:

Temka [501]2 years ago

5 0

Wat the heck is that

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Which unit of measurement is part of the metirc system

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What is the completely factored form of d4 -8d2 + 16

irinina [24]

According to Vieta's Formulas, if $x_1,x_2$ are solutions of a given quadratic equation:

$ax^2+bx+c=0$

Then:

$a(x-x_1)(x-x_2)$ is the completely factored form of $ax^2+bx+c$ .

If choose $x=d^2$ , then:

$\displaystyle x^2-8x+16=0\\\\x_{1,2}= \frac{8\pm \sqrt{64-64} }{2}=4$

So, according to Vieta's formula, we can get:

$x^2-8x+16=(x-4)(x-4)= (x-4)^2$

But $x=d^2$ :

$d^4-8d^2+16=(d^2-4)^2=[(d+2)(d-2)]^2=(d+2)^2(d-2)^2$

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2 years ago

In an isosceles triangle, angles B and C are called _______ angles

Iteru [2.4K]

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3 years ago

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A regular pentagon shares a common center with a regular hexagon. If `bar(LM)` || `bar(AB)`, across how many lines of reflection

choli [55]

our lines of symmetry is made limited by the presence of the pentagon. If we slice the pentagon into two, the only line of symmetry we could create would be the line intersecting O and the median of LM. Other lines would not create a symmetrical half.

Therefore the line of reflection is only 1.

questioned answered by

(jacemorris04)

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2 years ago

A relay team of 4 people run 3 miles . If each person runs the same distance how many miles does each person run? A) 3/4 mile B)

jeka57 [31]

Answer:

A 3/4 mile

Step-by-step explanation:

3/4 = .75

they each ran .75 miles (3/4 of a mile)

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3 years ago

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