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elena-14-01-66 [18.8K]
3 years ago
11

What is true about the isosceles trapezoid?

Mathematics
1 answer:
GREYUIT [131]3 years ago
4 0

Answer:

AD║BC

DE≅CE

AC≅DBΔ

ΔAED≅ΔBEC

Step-by-step explanation:

NOTHING ELSE

≅

║

Δ

have a good day!

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How many arrays can Courtney make with 36 photos
soldier1979 [14.2K]

Answer: We can make it in 36 ways!

Step-by-step explanation: We have 36 photos and we need to arrange on a gallery wall.

So, since we need to arrange them so we will use permutation

And the number of ways arranging these 36 photos will be 36!

So, here we have n=36

3 0
3 years ago
There were 60 ducks living in a pond. If the number living at the pond increased by 30%, how many ducks now live at the pond?
timama [110]

Answer:

78

Step-by-step explanation:

You take the original total: 60, and multiply it by 30 to get 1,800. You then divide 1,800 by 100 to get 18. 18 is your 30%. Now, you add the 30% to 60 getting your total number of ducks: 78.

The equation version:

\frac{a}{60} = \frac{30}{100}

It is just proportions.

3 0
3 years ago
Which of the following expressions are polynomials with degree 5?
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7 0
3 years ago
Rewrite in simplest terms: (-9x + 7y) - (-9x + 5y)
Leviafan [203]

Answer:

3y

Step-by-step explanation:

(-9x+7y)-(-9x+5y)

Distribute the negative(-)

-9x+7y+9x-5y

-9 and 9 cancel each other

3y

7 0
2 years ago
The population of the United States increased by 27323632 in 2011. What proportion of this change is accounted for by Florida po
tatiyna

Answer:

To the nearest hundredth, this has a value of 0.01

Step-by-step explanation:

To find the proportion of the population change accounted for by Florida population, we just need to divide the population change for Florida by the population change in the entire country;

Mathematically, that will be ;

218929/27323632 = 0.008012441391393

To the nearest hundredth, this represents 0.01

6 0
3 years ago
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