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yawa3891 [41]
3 years ago
11

Sin(x+20) - cos (2X+10)

Mathematics
1 answer:
Vladimir [108]3 years ago
8 0

Answer:

X=20

Step-by-step explanation:

Sin(x+20)=cos(2x+10)

Sin(x+20)=sin(90-(2x+10)

X+20=90-2x-10

3x=60

X=20

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7. If the concert handed out 208 wands and some wands were red wands and some were green wands. The ratio of red wands to green
umka21 [38]

Answer:

red = 52

Green = 156

Step-by-step explanation:

The 208 has to be divided by 4.

Three wands = 3 parts

The read wands = 1

3x + x = 208               Combine terms

4x = 208                     Divide by 4

x = 208/4

x = 52

Now the red wands = 52

The Green wand<u>s   =156</u>   (3 times 52)

Total                           208    Just as it should

4 0
3 years ago
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torisob [31]

Answer:

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5 0
4 years ago
Dividing whole numbers how woukd u solve 86÷2
gizmo_the_mogwai [7]

Answer:

43

Step-by-step explanation:

You chop 86 in half , it’s 43.

Think of it this way- 2 goes into 86 43 times


5 0
3 years ago
Read 2 more answers
What is 86,503 when written in expanded form
melisa1 [442]

Answer:

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Step-by-step explanation:

Expand so that all non-zero digits are by itself. Remember to retain it's place value:

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~

3 0
4 years ago
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jonny [76]

Answer:

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