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FinnZ [79.3K]
2 years ago
7

What is the value of s ?

Mathematics
1 answer:
mafiozo [28]2 years ago
4 0

Answer:

2s=2s+2

Step-by-step explanation:

This is something I came up with a day. I tried a procedure but later I found it was incorrect. So here it is:

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Can anyone please help me solve it<br>11,12 (1)(2)(3),13 this is all​
kondor19780726 [428]

Answer:

answer of 11

Step-by-step explanation:

given A=30°

R.H.S=2sinA cosA

=2 * sin30° * cos30°

2  \times \frac{1}{2}  \times  \frac{ \sqrt{3} }{2}

= \frac{  \sqrt{3} }{2}

=sin60°

sin 2*30°

=sin2A

L.H.S=R.H.S

8 0
3 years ago
there are 10 students in a classroom, including the triplets Hugh,Stu, ans Lou. if 3 of 10 are randomly selected to give speeche
Keith_Richards [23]
1/10 for Hugh to be first and after he is picked only 9 students remain so 1/9 for stu and after he is picked only 8 remain to be chosen so 1/8 for lou. The chance of all three happening is 1/10×1/9×1/8=1/720 this is the probability that 3 triplets will be chosen in that exact order out of 10 students
3 0
3 years ago
1] If 221ₓ= 25₁₀ find X<br> 2] if 3ₓ + 34ₓ - 40ₓ = 0 find x<br> 3] if 23ₓ = 1111₂ find x
Olin [163]

1.

2\cdot x^2+2\cdot x^1+1\cdot x^0=25\\2x^2+2x+1=25\\2x^2+2x-24=0\\x^2+x-12=0\\x^2+4x-3x-12=0\\x(x+4)-3(x+4)=0\\(x-3)(x+4)=0\\x=3 \vee x=-4

The base can't be negative, therefore x=3.

2.

3\cdot x^0+3\cdot x^1+4\cdot x^0-4\cdot x^1+0\cdot x^0=0\\3+3x+4-4x=0\\x=7

3.

2\cdot x^1+3\cdotx^0=1\cdot 2^3+1\cdot2^2+1\cdot2^1+1\cdot2^0\\2x+1=8+4+2+1\\2x=14\\x=7

5 0
2 years ago
4) Jose paid $4.98 in sales tax on an item that cost $62 before tax.
Llana [10]

Answer:

net is before tax

gross is after

8 0
3 years ago
Read 2 more answers
How to find the length of the midsegment
Alex Ar [27]

Answer:

Explanation: A midsegment of a triangle is a segment connecting the midpoints of two sides of a triangle. This segment has two special properties. It is always parallel to the third side, and the length of the midsegment is half the length of the third side.

Hopefully I could Help :)


4 0
3 years ago
Read 2 more answers
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