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hammer [34]
3 years ago
11

Please help me!

Mathematics
1 answer:
Shalnov [3]3 years ago
8 0

Answer:

The answer is 8.8.

Step-by-step explanation:

99 ÷ 12 = 8.8

       8.8

12⟌99.0 <----put this zero

 -   90

 -   90 <------- here

       0

Hope this helps! I did the best I could. :)

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Please help me with this !!
Sergio [31]

Answer: AC = 7√3

tan 30° = \frac{BC}{AC}

=> \frac{BC}{AC}=\frac{1}{\sqrt{3} }\\\\\=> AC=BC\sqrt{3} =7\sqrt{3}

Step-by-step explanation:

3 0
3 years ago
If your pencils is 20 centimeters long how many millimeters is it
Alex Ar [27]
HI


the answer is 200 millimeters

<333
4 0
3 years ago
Read 2 more answers
Covert 35 cm/sec to 21 m/min
Alisiya [41]
1 m=1000cm, so 21m=2100cm
1min=60sec
so  21 m/min=2100сm/60sec=35cm/sec


3 0
3 years ago
What is the answer to this 2√3-5√÷√3+2√5​
Burka [1]

Answer:

\sqrt{ \div 3}

mathematicallly error sentence!

4 0
3 years ago
Read 2 more answers
Please help me find out the process to find y for the first three questions and tell me what y is
Sliva [168]

Answer:

1. y = 14.718

2. ??

3. y = 39.794°

Step-by-step explanation:

<em>HINT the side we already know and the side we are trying to find, we use the first letters of their names and the phrase "SOHCAHTOA" to decide which function: </em>

SOH...

 Sine: sin(θ) = Opposite / Hypotenuse

...CAH...

 Cosine: cos(θ) = Adjacent / Hypotenuse

...TOA

 Tangent: tan(θ) = Opposite / Adjacent

1. Sine: sin(θ) = Opposite / Hypotenuse

sin(42°) = y / 22

so on your calculator enter 42 then sin = 0.669

0.669 = y/22      multiply both sides by 22 to get y

y = 14.718

2. is there any other information??

3. The two sides we know are Opposite 40 and Adjacent 48.

SOHCAHTOA tells us we must use Tangent.

Calculate Opposite/Adjacent = 40/48 = 0.833

Find the angle from your calculator using tan-1

Tan y° = opposite/adjacent = 40/48 = 0.833  

tan-1 of 0.833 = 39.794°

7 0
3 years ago
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