3 years ago

To whom does Jefferson address the Declaration?

Mathematics

1 answer:

Vladimir [108]3 years ago

3 0

Answer:

the declaration is addressed to all mankind

Step-by-step explanation:

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djverab [1.8K]

The correct answer is b

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3 years ago

What is the approximate area of this figure?A.25 cmB.29 cmC.38 cmD.42 cm

amm1812

Answer:

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Step-by-step explanation:

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3 years ago

For what values of b are the vectors \langle -46, b, 10 \rangle and \langle b, b^2, b \rangle orthogonal

Jet001 [13]

Answer:

b = 6 or b = -6 (non-zero vectors)

b = 0 (zero vector)

Step-by-step explanation:

Two vectors $\vec{a}=\langle a_1,a_2,a_3\rangle$ and $\vec{b}=\langle b_1,b_2,b_3\rangle$ are orthogonal if their dot product is equal to 0, or in other words

$a_1\cdot b_1+a_2\cdot b_2+a_3\cdot b_3=0$

In your case,

$\vec{a}=\langle -46, b, 10\rangle\\ \\\vec{b}=\langle b,b^2,b\rangle$

Hence, if vectors a and b are orthogonal, then

$-46\cdot b+b\cdot b^2+10\cdot b=0\\ \\-46b+b^3+10b=0\\ \\b^3-36b=0\\ \\b(b^2-36)=0\\ \\b(b-6)(b+6)=0\\ \\b=0\text{ or }b=6\text{ or }b=-6$

Note, then if b = 0, then $\vec{b}=\langle 0,0,0\rangle$ and zero-vector is orthogonal to any other vectors.

Thus, b = 6 or b = -6.

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3 years ago

The first number in the pattern is 32 the rule is to add 27

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Answer:

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Find the number of positive three-digit even integers whose digits are among 9, 8, 7, 5, 3, and 1.

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5,3,1

Step-by-step explanation:

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