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Pani-rosa [81]
3 years ago
7

Two times the sum of a number and 4 is 9.

Mathematics
1 answer:
OleMash [197]3 years ago
6 0

Answer:

2(x+4)

Step-by-step explanation:

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HELP ME PLEASE I WILL MARK YOU AS A BRAINLIEST!!!!!!
telo118 [61]

Answer:

Statement C is correct.

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A box of oranges weighs 4 kg. if one orange weighs 80 g how many oranges are in the box​
stepladder [879]
There would be 20 oranges in each box
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What is the ordered pair for B?
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(-6.5,0)

I hope this helps!
7 0
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Given that A=27, B=43 and c=17, solve triangle ABC to the nearest hundredth
katrin2010 [14]
When we are given 3 sides, we try to solve the angles first by using the
law of cosines
cos (A) = [b^2 + c^2 - a^2] / (2 * b * c)
cos (A) = [43^2 + 17^2 -27^2] / (2 * 43 * 17)
cos (A) = [1,849 + 289 -729] / <span> <span> <span> 1,462
</span></span></span>cos (A) = 1,409 / 1,462
cos (A) = <span> <span> <span> 0.96374829001368
Angle A = 15.475

Now that we have one angle, we next can use the
Law of Sines
sin(B) / side b = sin(A) / side a
sin(B) = sin(A) * sideb / sidea
</span></span></span><span>sin(B) = sin(15.475) * 43 / 27
</span><span>sin(B) = 0.26682 * 43 / 27
sin (B) = </span><span>0.424935555555</span>
Angle B = 25.147 Degrees
Remember the arc sine (<span>0.424935555555) also equals </span> <span> <span> <span> 154.85

</span></span></span>Finally, calculating the third angle is quite easy
Angle C =  180 - Angle (A) - Angle(B)
Angle C =  180 - 15.475 - 154.85
Angle C =  9.675

Source:
http://www.1728.org/trigtut2.htm


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3 years ago
I need help can tell me tell me on a playground what is something that is shorter than a meter
Novosadov [1.4K]
One meter is 3.28 feet, so anything shorter than that. A basketball, maybe a very young child?
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3 years ago
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