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evablogger [386]
3 years ago
12

Which of the following is considered one of the undefined terms of geometry?

Mathematics
1 answer:
cupoosta [38]3 years ago
7 0
The answer is a line segment
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The school orchestra has 25 woodwinds, 20 percussionists, 15 strings and 40 brass instruments.
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Answer: select all what that apply?

Step-by-step explanation:

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Determine whether the following lines represented by the vector equations below intersect, are parallel, are skew, or are identi
KiRa [710]

Answer:

r(t) and s(t) are parallel.

Step-by-step explanation:

Given that :

the  lines represented by the vector equations are:

r(t)=⟨1−t,3+2t,−3t⟩

s(t)=⟨2t,−3−4t,3+6t⟩

The objective is to determine if the following lines represented by the vector equations below intersect, are parallel, are skew, or are identical.

NOTE:

Two lines will be parallel if \dfrac{x_1}{x_2}= \dfrac{y_1}{y_2}= \dfrac{z_1}{z_2}

here;

d_1 = (-1, \ 2, \ -3)

Thus;

r(t) = \dfrac{x-1}{-1} = \dfrac{y-3}{2}=\dfrac{z-0}{-3} = t

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s(t) = \dfrac{x-0}{2} = \dfrac{y+5}{-4}=\dfrac{z-3}{6} = t

∴

\dfrac{d_1}{d_2}= \dfrac{-1}{2} = \dfrac{2}{-4}= \dfrac{-3}{-6}

Hence, we can conclude that r(t) and s(t) are parallel.

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If $8259 principal is invested in a savings account that pays 5.25% interest compounded continuously how much money will be in t
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Answer:

A(10) = $13,961.50

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Then solve the equation for A

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A = Pe^rt

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r = 0.0525

t = 10 years.

Hence,

A = 8,259.00 × e^(0.0525×10)

A = $13,961.50

Therefore, the money that will be in the account after 10 years is $13,961.50

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2x + 30 = -20x + 8
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The 3 numbers are 3.65, 3.66, 3.67
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