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julsineya [31]
3 years ago
11

16, 17, please. thankss

Mathematics
1 answer:
zhenek [66]3 years ago
8 0
16) in a rectangle two front side are parallel
and if that line is diagonal then we know A is equal to B'
so B is equal to 90-55 = 35
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I need the steps to this question.
yanalaym [24]

im not sure but maybe look up how to calculate volume of a cone.. then go from there :D

3 0
3 years ago
Which of the following is the solution of 1/4x+5=7
Keith_Richards [23]

Answer:

 exact form x= 1/8              decimal form x= 0.125

Step-by-step explanation:

because UwU and then O////O meaning O>O

3 0
3 years ago
E^4x-1=3 please help what is the exact solution
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8 0
3 years ago
Serial numbers for a product are to be made using 4 letters followed by 4 digits. the letters are to be taken from the first 9 l
grin007 [14]

Answer:

15,240,960 serial numbers

Step-by-step explanation:

Since no repeats are allowed and the order matters, the number of possible serial numbers is given by the product of the permutation of 4 out of 9 letters by the permutation of 4 out of 10 numbers:

n=\frac{9!}{(9-4)!}*\frac{10!}{(10-4)!} \\n=9*8*7*6*10*9*8*7\\n=15,240,960

There are 15,240,960 ways to generate a serial number.

4 0
4 years ago
A ship leaves the port of Miami with a bearing of S80°E and a speed of 15 knots. After 1 hour, the ship turns 90° toward the sou
CaHeK987 [17]

Answer:

The bearing is N 55.62° W

Step-by-step explanation:

ship leaves the port of Miami with a bearing of S80°E and a speed of 15 knots.

It then turns 90° towards the south after one hour.

Still maintain the same speed and direction for two hours.

The bearing is just the angle difference from the ship current location to where it started.

Let the speed be km/h

Distance covered in the first round

= 15*1

= 15km

Distance covered in the second round

=15*2

= 30 km

Angle at C = (90-80)+90

Angle at C = 10+90= 100

Let the distance between the port and the ship be c

C²= a² + b² -2abcos

C²= 15²+30²-2(15)(30)cos 100

C²= 225+900+156.28

C²= 1281.28

C= 35.8 km

Using sine formula

30/sin x= 35.8/sin 100

30/35.8 * sin 100 = sinx

0.838*0.9848= sin x

0.8253= sin x

Sin ^-1 0.8253 = x

55.62° = x

The bearing is N 55.62° W

8 0
3 years ago
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