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Lemur [1.5K]
2 years ago
15

Can somebody help me. Thank you.

Mathematics
2 answers:
Licemer1 [7]2 years ago
6 0

Answer:

isosceles triangle

Step-by-step explanation:

Paraphin [41]2 years ago
6 0

I'm pretty sure it's the last option, but don't count me on that.

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Find the surface area of a cylinder with a base diameter of 8 yd and a height of 8 yd. Use the value 3.14 for , and do not do an
GuDViN [60]

Answer:

A=301.59 yd2

Step-by-step explanation:

A=2πrh+2πr2

Thats the formula

7 0
3 years ago
If the mass of a proton is 2.34 × 10–14 grams, what is the mass of 1,000 protons?
Alex17521 [72]
Masse of 1 proton: = 2.34 x 10⁻¹⁴

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8 0
3 years ago
Help again...its for math offering 15 points
Anettt [7]

Answer:

\tan \dfrac{\theta}2 = \dfrac{1}2

Step by step Explanation:

\sin \theta = \dfrac{\text{Perpendicular} }{\text{Hypotenuse}} = \dfrac{12}{15}\\\\\\\cos \theta = \dfrac{\text{Base}}{\text{Hypotenuse}}= \dfrac{9}{15}\\\\\text{Now,}\\\\\tan \dfrac{\theta}2 = \dfrac{\sin \tfrac{\theta}2}{\cos \tfrac{\theta}2}\\\\\\~~~~~~~~=\dfrac{2\cos \tfrac{\theta}2 \sin \tfrac{\theta}2 }{2\cos^2 \tfrac{\theta}2}~~~~~~;\left[\text{Multiply by}~ 2\cos\tfrac{\theta}2 \right]

         =\dfrac{\sin \theta}{1+ \cos \theta}~~~~~~~~~~~~;[2 \sin x \cos x = \sin 2x ~ \text{and}~ 2\cos^2 x =1+\cos 2x]\\\\\\=\dfrac{\tfrac{12}{15}}{1+ \tfrac{9}{15}}\\\\\\=\dfrac{\tfrac{12}{15}}{\tfrac{24}{15}}\\\\\\=\dfrac{12}{15}\times \dfrac{15}{24}\\\\\\=\dfrac{12}{24}\\\\\\=\dfrac{1}2

4 0
2 years ago
Anybody know the answer to this question?
arlik [135]
Answer a ka gim tul hd shi kdi
4 0
1 year ago
Kendra has a math test every 12 school days and a vocabulary test every 9 school days. She had both a math test and a vocabulary
klasskru [66]
You need the Least Common Multiple of 12 and 9.

That's 36.

3 x 12 = 36
4 x 9 = 36
8 0
3 years ago
Read 2 more answers
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