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maw [93]
4 years ago
7

Please may you do the whole page for 30 points thanks

Mathematics
1 answer:
Ostrovityanka [42]4 years ago
5 0
4 A) 1/6
4 B) 1/45
4 C) 2/3
4 D) 3/5
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Help me with this please!!
Artist 52 [7]

Answer:

x=17

Step-by-step explanation:

7x+10+3×=180

10x+10=180

-10. -10

10x/10=170/10

x=17

3 0
3 years ago
Simplify (3+ radical sign 2)(3- radical sign 2)
Ierofanga [76]

Answer:

using identity (a+b)(a-b) = a^2 -b^2

5 0
4 years ago
How do you express sin x + cos x in terms of sine only?
frez [133]

Answer:

\sin x + \sqrt{1-\sin^2x}

Step-by-step explanation:

Given: sin x + cos x

To change the given trigonometry expression in term of sine only.

Trigonometry identity:-

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  • \cos x=\sqrt{1-\sin^2x}

Expression: \sin x+\cos x

We get rid of cos x from expression and write as sine form.

Expression: \sin x + \sqrt{1-\sin^2x}        \because \cos x=\sqrt{1-\sin^2x}

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4 0
4 years ago
35 kg 22 g - 21 kg 75 g
vampirchik [111]

Answer:

Loading,please wait...

Step-by-step explanation:

4 0
3 years ago
Which is a better by 3 lb of pears for $3.87 or 5 lb of pears for $6.65
Shtirlitz [24]
Since 3lb pears is $3.87 lets say that every 1lb of pears costs $1.30.
say if you were to buy 2lb on-top of the 3lb it would cost $2.60 extra, causing the total price to be around $6.50 (rounded up)

so since 5lb is $6.65, i believe that the 3lb of pears is the better buy. 

7 0
3 years ago
Read 2 more answers
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