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Nikolay [14]
3 years ago
13

Why are mathematical proofs important?

Mathematics
2 answers:
Makovka662 [10]3 years ago
7 0
One reason is so the teacher can actually see that your working the problem out

ser-zykov [4K]3 years ago
3 0
To know what we are doing is right i guess i hope tat helps

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How do you remember how to find the side of a triangle and the inide using SOH CAH TOA
horrorfan [7]
In this right triangle<span>, you are given the measurements for the hypotenuse, c, and one leg, b. The hypotenuse is always opposite the right angle and it is always the longest </span>side<span> of the </span>triangle<span>. </span>To find<span> the </span>length<span> of leg a, substitute the known values into the Pythagorean Theorem. Solve for a</span>2<span>.</span>
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3 years ago
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The Statue of Liberty is approximately 300 ft. tall, and the right arm is approximately 42 ft. long. On a scale model that is 2
Archy [21]

Answer:

Weight of copper: 62,000 lbs. (31 tons). Weight of framework: 250,000 lbs. (125 tons). Weight of concrete foundation: 54,000,000 lbs. Thickness of copper sheeting: 3/32 of an inch, the thickness of two pennies placed together.  the answer in 125

Step-by-step explanation:

4 0
2 years ago
Number 10 on my integrated geometry test
Andrei [34K]

Answer:

sin 63° = a / 10

Step-by-step explanation:

With reference angle A

Sin A = BC / AB

Sin 63° = a / 10

Hope it will help :)

7 0
3 years ago
Help can you answer this? and show working out
Nataly [62]
What number do you need help with

5 0
3 years ago
Makakaanswer neto may brainlest,follow,5 star,at 1 heart step-by-step explenaition po ah thank you
shusha [124]
3/4 + 1/2
multiply 1/2 denominator and numerator by 2 to match 3/4
= 3/4 + 2/4 = 5/4 (copy same denominator add numerator)

2/6 + 1/3
divide 2/6 denominator and numerator by 2 to match 1/3
= 1/3 + 1/3 = 2/3 (copy same denominator add numerator)

5/9 + 2/3
multiply 2/3 denominator and numerator by 3 to match 5/9
= 5/9 + 6/9 = 11/9 (copy same denominator add numerator)



6/9 -1/5
cross multiply 6x5 - 1x9 for numerator
for denominator multiply 9x5
=30/45 - 9/45= 21/45
divide num and den by 3
=7/15


5/8-1/3
cross multiply 5x3-1x8 for numerator
multiply 8x3 for denominator
= 15/24 -8/24 =7/24
7 0
2 years ago
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