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3 years ago

Find the cross product (7,-4,5) x (6,2,9). is the resulting vector perpendicular to the given vectors ?

Mathematics

1 answer:

Nutka1998 [239]3 years ago

7 0

Answer:

Step-by-step explanation:

On edge

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What’s the answer to this math problem?v

allochka39001 [22]

<em>Choice-A</em> is the answer to this math problem.

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3 years ago

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Question :-

DochEvi [55]

$\qquad\qquad\huge\underline{{\sf Answer}}$

Let's solve ~

$\qquad \sf \dashrightarrow \: \bigg( \dfrac{1}{ \sqrt{7 + \sqrt{5} } } + \sqrt{7 + \sqrt{5} } \bigg) {}^{2}$

$\qquad \sf \dashrightarrow \: \bigg( \dfrac{1}{ \sqrt{7 + \sqrt{5} } } \bigg ) {}^{2} + \bigg( \sqrt{7 + \sqrt{5} } \bigg) {}^{2} + 2 \cdot \dfrac{1}{ \sqrt{7 + \sqrt{5} } } \cdot \sqrt{7 + \sqrt{5} }$

$\qquad \sf \dashrightarrow \: \dfrac{1}{7 + \sqrt{5} } + 7 + \sqrt{5} + 2$

$\qquad \sf \dashrightarrow \: \dfrac{49 + 7 \sqrt{5} + 7 \sqrt{5} + 5 + 14 + 2 \sqrt{5} }{7 + \sqrt{5} }$

$\qquad \sf \dashrightarrow \: \dfrac{68+ 16 \sqrt{5} }{7 + \sqrt{5} }$

5 0

1 year ago

1 3/4 * 2 1/2 pleas help

Nastasia [14]

Answer:

35/8 if its simple multiple then

Step-by-step explanation:

7/4*5/2

35/8

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3 years ago

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Marianna is painting a ramp for the school play in the shape of a right triangular prism. The ramp has dimensions as shown below

garri49 [273]

32 and 44 I hope I got it right

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3 years ago

Given triangle, ABC is congruent to triangle EDC find A

arlik [135]

Answer:

m<A = 30 degrees.

Step-by-step explanation:

m < C in triangle ABC = m < C in EDC so

x + 13 + 42 + x + 13 = 180

2x = 180 - 13 - 13 - 42

2x = 112

x = 56.

So m < C = 56+13 = 69.

m < B = m < D = 81

M < A = 180 - 69 - 81

= 180 - 150 = 30.

7 0

2 years ago