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3 years ago

Plz Help me with this question

Mathematics

1 answer:

aivan3 [116]3 years ago

5 0

Answer:

The Equivalent Resistance are 5ohms

hope this helps!

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Please help with number 9,10,11 thank you

beks73 [17]

Answer:

I know the first one is A/the first one don't know the other ones

Step-by-step explanation:

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3 years ago

Explain how to find the exact value of cos(75°).

DanielleElmas [232]

Answer:

$\cos(75 \degree) = \cos(45 \degree + 30\degree) \\ \\ = \cos(45\degree) \cos(30\degree) - \sin(45\degree) \sin(30\degree) \\ \\ = ( \frac{1}{ \sqrt{2} } ).( \frac{ \sqrt{3} }{2} ) - ( \frac{1}{ \sqrt{2} } ).( \frac{1}{2} ) \\ \\ = \frac{ \sqrt{3} }{2 \sqrt{2} } - \frac{1}{2 \sqrt{2} } \\ \\ = \frac{ \sqrt{3} - 1}{2 \sqrt{2} } \\ \\ = \frac{0.73205}{2.828427} \\ \\ = 0.2588$

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3 years ago

A board is 6 feet 4 inches long. How long is the board in inches? 1ft = 12 in

Mars2501 [29]

Answer:

76 inches

Step-by-step explanation:

6x12 = 72

72+4 = 76

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2 years ago

Read 2 more answers

| BU I is the midpoint of BG BI = 4y + 8 IG= 20 Find BG

den301095 [7]

Answer:

40 units

Step-by-step explanation:

The midpoint of the segment is the point on that line segment that divides the segment into two congruent segments.

If I is the midpoint of the segment BG, then segments BI and IG are congruent segments.

BI = 4y + 8 units

IG = 20 units

Hence,

$4y+8=20\\ \\4y=20-8\\ \\4y=12\\ \\y=3$

The segment additional postulate states that if we are given two points on a line segment, B and G, a third point I lies on the line segment BG if and only if the distances between the points meet the requirements of the equation

BI + IG = BG.

So,

$BG=4y+8+20=4y+28=4\cdot 3+28=12+28=40\ units$

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3 years ago

Read 2 more answers

Please help thank you very much!!

vagabundo [1.1K]

Answer:

umm...

D...765 4th over 5th

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3 years ago