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svp [43]
2 years ago
7

In a right isosceles triangle, the length of both legs are equal. For the given isosceles triangle, what is the value of X

Mathematics
1 answer:
Nana76 [90]2 years ago
4 0

Answer

Since an isosceles triangle is a triangle that as two sides that are the same length and one side that isn't. We know that one side(the the side that is'nt the same lenght as the others) is 72cm and a triangle is 180 degrees then you would subtract 72 from 180 which would leave you with 108 then you would divide 108 to find the value of x which is 54.

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erastova [34]
40,000
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200
50
4

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8 0
3 years ago
Ella collects 50 bottles to recycle. Of the bottles she collects, 19 are plastic and the rest are glass.
nekit [7.7K]
QUESTION A

The total number of bottles Ella collected is
50


The number of bottles that are plastic is

19

The percentage of bottles that are plastic is

=  \frac{number \: of \: plastic \: bottles}{total \: number \: of \: bottes}  \times 100\%

=  \frac{19}{50}  \times 100\%

= 19 \times 2\%
= 38\%

Therefore 38% of the bottles are plastic.



QUESTION B

The total number of bottles that are glass is
50 - 19 = 31

The total number of bottles Ella collected is
50

The percentage of bottles that is glass is
=  \frac{number \: of \: glass \: bottles}{total \: number \: of \: bottles}  \times 100\%

=  \frac{31}{50}  \times 100\%

= 31 \times 2\%
= 62\%

Therefore 62% of the bottles are glass
8 0
3 years ago
The water level in a lake was 22 inches below normal at the beginning of March. The water level decreased by 3 1/6 inches in Mar
Vinvika [58]
At the beginning it was 22 inches below normal (-22).
Then it decreased by 3 1/6 (-19/6).
Then increased by 1 6/7 (+13/7)

-22 - 19/6 + 13/7
-924/42 - 133/42 + 78/42
-1057/42 + 78/42
-979/42
-23 13/42

It was 23 13/42 inches below normal after April.
8 0
3 years ago
If your car travels 270 miles and uses 9.2 gallons, how many miles per gallon did you get? (Round your answer to three decimal p
leva [86]
270 miles divide by 9.2
29.348 miles per gallon
3 0
3 years ago
Read 2 more answers
What are the roots of the polynomial equation x^4+x^3=4x^2+4x? Use a graphing calculator and a system of equations.
Yuliya22 [10]
Desmos graphing calculator will draw this graph for you.

draw 2 curves

y = x^4 + x^3 
and
y = 4x^2 + 4x

The roots are the points where the 2 curves intersect.

You can see by simple substitution that one root is zero.

x^4 + x^3 - 4x^2 - 4x = 0

f(2)  = 16 + 8 - 4(4) - 4(2)  = 0   so 2 is another root

f(-2) = 16 - 8 - 16 + 8 = 0  so  -2 is another root

f(-1) = 1 - 1  - 4 + 4 = 0 so -1 is the other root

The answer is A
8 0
3 years ago
Read 2 more answers
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