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iren2701 [21]
3 years ago
7

Please help. I do not get this

Mathematics
1 answer:
Step2247 [10]3 years ago
3 0

i believe it is the second option

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Which is 2.7084 rounded to the nearest tenth?
ehidna [41]
The tenth place is where the 7 is.

0.7

If the number behind it is over 5, we round up. If it isn't, we round down.

0<5

We round down.

2.7 is the answer.

I hope this helps!
~kaikers
4 0
3 years ago
A cell phone can receive 120 messages per minute. At this rate, how many messages can the phone recieve in 150 seconds
aev [14]
Hi, 

The answer would be 300 messages. To explain, there are 60 seconds in a minute so 120 divided by 60 is 2, so that means 2 words per second. So to get the answer for 150 seconds, you multiply 150 by 2 and get 300. 

I hope this helps!
7 0
3 years ago
If sinA =3/5 and A+B =90 find cosB
-Dominant- [34]

A+B=90^o\to B=90^o-A\\\\\cos B=\cos(90^o-A)=\cos90^o\cos A+\sin90^o\sin A\\\\=\cos A+1\cdot\dfrac{3}{5}=0+\dfrac{3}{5}=\dfrac{3}{5}\\\\\boxed{\cos B=\dfrac{3}{5}}

Used:\\\\\cos(x+y)=\cos x\cos y+\sin x\sin y\\\\\cos90^o=0,\ sin90^o=1

Other method:

Look at the picture.

\sin\theta=\dfrac{opposite}{hypotenuse}\\\\\sin A=\dfrac{3}{5}\to opposite=3\ and\ hypotenuse=5

\cos\theta=\dfrac{adjacent}{hypotenuse}\\\\adjacent=3\ and\ hypotenuse=5\to\cos B=\dfrac{3}{5}

8 0
3 years ago
TRUE or FALSE
kupik [55]

Answer:

True

Step-by-step explanation:

~Is SAA side-angle-angle

8 0
2 years ago
Help plsss, i need it asap!!!!! thankss
Elis [28]
With what ??? I don’t see nothing



5 0
3 years ago
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