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eduard
3 years ago
5

The skateboard ramp has a width of 20 and a height of 16. What is its slope ( not to scale) ?​

Mathematics
1 answer:
slega [8]3 years ago
4 0

Answer:

25.61 ?

Step-by-step explanation:

use Pythagoreans theorem

a^2+b^2=c^2

20^2+16^2=656

sqrt 656=25.61

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By selling a Rikshaw for rupees 2640 Ram loses 12% at what price should be sell it to gain 12% ​
Galina-37 [17]

Answer: Rikshaw bought it for 100. He lost 12% on selling it, so that means he must have sold it for 88. He wants to make 12% profit, so that means he should have sold it at 112.

But we know that he sold it for 2640.

Therefore, if 88 = 2640, 112 would be 2640*112/88 = 3360.

3 0
3 years ago
I NEED HELP PLEASE ?!!
Fittoniya [83]
The circle equation is in the format (x – h)² + (y – k)² = r², with the center being at the point (h, k) and the radius being "r".

QUESTION 11.
Equation x²+y²+10x-14y-7 =0 can be rewritten as: x²+10x+25 + y² -14y + 49 -7 - 25 - 49=0
It can be factories as (x + 5)² + (y – 7)² = 9²

Therefore the radius equals 9 and the center is (-5,7)

QUESTION 12.
From equation (x + 4)² + y² = 121

The radius equals √121 = 11 and the center is (-4,0)

QUESTION 13.
As there are missing information in the question, I can't assist. However, you can use the general circle equation (x – h)² + (y – k)² = r² to solve the question.

Finally equations 14 & 15 aren't linear.

Hope that helps you :)
5 0
3 years ago
15. True or False: Is x = 4 a solution to X + 51 = -9<br> True<br> False
lora16 [44]

Answer:

False

Step-by-step explanation:

if x=4 the answer would not be -9

x+51 would add up to 55

so it would be : 4+51=55

now if we wanted the answer to be -9 , x would have to be different

-60+51=-9

but in this case x is no -60, it's 4, so no this statement is false.

4 0
3 years ago
Read 2 more answers
What value of x makes this equation true?
Rus_ich [418]

Answer:

B. -44

Step-by-step explanation:

0.3x-7=0.8x+15

first subtract 0.3x to the other side of 0.8x which will equal

-7=0.5x+15

Then subtract 15 to the othe side of the equal sign which will be

-22=0.5x

Then divide both sides of 0.5( use calculator and put in -22/0.5)

which will be -44

7 0
3 years ago
The lengths of the sides of an isosceles triangle are 30, s, and s. If s is an integer, what is the smallest possible perimeter
Lilit [14]
I think that the correct answer to this question is E.) 90 .
5 0
4 years ago
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