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Helga [31]
3 years ago
14

Complete the proof by providing the missing reasons.

Mathematics
1 answer:
dexar [7]3 years ago
6 0

Answer:

Step-by-step explanation:

2. Definition of Perpendicular Lines

3. Given

4. NB=NB

5. SSA Theorem

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I need help to find the lcm of 81 and 3
velikii [3]

Answer:

81 is the LCM of 81 and 3

Step-by-step explanation:

81 is the smallest (least) number that both (common) 81 and 3 "go into" (multiple)

81 goes into 81.

3 goes into 81.

81 is the smallest number that they both go into.

8 0
2 years ago
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Find IJ. <br> A. 17<br> B. 10.5<br> C. 10<br> D. 13
Zolol [24]

Answer:

B:10.5

Step-by-step explanation:

half of 21 is 10.5

8 0
3 years ago
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MATH HELP! Please only answer if you're going to show work
serious [3.7K]
Let x be number of T-Shirts made.

Therefore,
Revenues from the sell = 12*x = 12x
The cost making them = 20+(8*x) = 20+8x
Profits = 12x-(20+8x) = 12x -20-8x = 4x - 20

Now, this profit should be atleast $100. Then,
100<4x-20 => 100+20<4x => 120<4x => 120/4<x => x>30

Therefore, more than 30 T-shirts should be made in order to make atlease $100 profit.
7 0
3 years ago
Im not sure how to do this or what function to use SIN, COS, or TAN but if you could walk me through it that would be so so so a
Elanso [62]

Answer: 3.8

Step-by-step explanation:first, you need to figure out what side you’re looking for. Side AC is opposite of the angle you’re given. They also give you length of side AB which is 4. That is the hypotenuse (side directly across from right angle). So, you have the hypotenuse, and need the find the opposite side measure. Which option uses opposite and hypotenuse? That’s Sin. So, you would do: sin70 = ? / 4.

sin (of given angle)= opposite / hypotenuse.

Sin (70 degrees) = ? / 4

Then you solve for “?”

Type sin70 into your calculator, then multiply both sides by 4 to get “?” by itself. You should get 3.758770483, which rounds to 3.8

5 0
2 years ago
It takes Martin 1 hour to ride 65 miles, 2 hours to ride 130 miles and 3 hours to ride 195 miles. How far does he travel in 1 ho
iren [92.7K]

Answer:

65 miles

Step-by-step explanation:

5 0
3 years ago
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