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PilotLPTM [1.2K]
3 years ago
15

Need help look at picture. Will Mark Brainliest and only answer if your 100% sure.​

Mathematics
1 answer:
lina2011 [118]3 years ago
4 0

Answer: 207

Step-by-step explanation:

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Does anyone know the answer to this problem ? Thanks
Nezavi [6.7K]
D/dy [y^n] = ny^n-1

= 11
4 0
3 years ago
80^2 - 45^2 = a^2 - b^2 <br><br> ans pls in working, thnx in advance
Kamila [148]

Answer:

{a}^{2}  -  {b}^{2}= {(80)}^{2}  -{(45)}^{2}  \\(a + b)(a - b) = (80 + 45)(80 - 45) \\  = 125 \times 35 = \boxed{ 4375}✓

<h3><u>4375</u> is the right answer.</h3>
4 0
2 years ago
I pleased anyone to help me please​
Gennadij [26K]

Answer:

The first one (90, 90) is supplimentary, the next two (54, 36. and 45, 45) are complimentary, and the last two are supplimentary.

Step-by-step explanation:

A complimentary angle is two angles that add up to 90, and supplimentary is two angles that add up to 180! :)

3 0
3 years ago
Read 2 more answers
The longer leg of a right triangle is 4cm longer than the shorter leg. the hypotenuse is 8cm longer than the shorter leg. find t
Alexeev081 [22]
Longer leg = x + 4

Shorter leg = x

Hypotenuse = x + 8


Using Pythagorean Theorem:

a^2 + b^2 = c^2

(x + 4)^2 + x^2 = (x + 8)^2

x^2 + 8x + 16 + x^2 = x^2 + 16x + 64

2x^2 + 8x + 16 = x^2 + 16x + 64

2x^2 +8x = x^2 + 16x + 48

2x^2 - 8x = x^2 + 48

x^2 - 8x = 48

x^2 - 8x - 48 = 0

You can complete the square from here or use the quadratic formula.

Completing the square:

x^2 - 8x = 48

x^2 - 8x + (-8/2)^2 = 48 + (-8/2)^2

x^2 - 8x + 16 = 48 + 16

(x - 4)(x - 4) = 64 or (x - 4)^2 = 64

x - 4 = +√64 OR x - 4 = -√64

x - 4 = +8 OR x - 4 = -8

x = 12 OR x = -4

However, you can't use negative 4 as a length because your length needs to be a positive.

So x will be 12.


Shorter leg: 12

Longer leg: 12 + 4

Hypotenuse: 12 + 8

8 0
3 years ago
Hii guys I need help with this I took a screenshot of it.
eduard

Answer:

x <= 9

Step-by-step explanation:

x -15 <= -6

+15. +15

x <=9

8 0
2 years ago
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