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Jobisdone [24]
3 years ago
6

I can't be bothered doing my work whats the answer lol​

Mathematics
2 answers:
Tom [10]3 years ago
8 0
The answer you are looking for is C
GrogVix [38]3 years ago
5 0

Answer:

-8a^2 + 9a

or

9a - 8a^2

the answer is c

Step-by-step explanation:

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8 0
2 years ago
In trapezoid ABCD, AC is a diagonal and ∠ABC≅∠ACD. Find AC if the lengths of the bases BC and AD are 12m and 27m respectively.
xz_007 [3.2K]

Answer:

Length of diagonal is 18 m

Step-by-step explanation:

Given in trapezoid ABCD. AC is a diagonal and ∠ABC≅∠ACD. The lengths of the bases BC and AD are 12m and 27m. We have to find the length of AC.

Let the length of diagonal be x m

In ΔABC and ΔACD

∠ABC=∠ACD      (∵Given)

∠ACB=∠CAD      (∵Alternate angles)

By AA similarity theorem, ΔABC~ΔACD

∴ their corresponding sides are proportional

\frac{x}{27}=\frac{12}{x}=\frac{AB}{CD}

Comparing first two, we get

⇒ \frac{x}{27}=\frac{12}{x}

⇒ x^2=27\times 12

⇒ x=\sqrt324=18

hence, the length of diagonal is 18 m



4 0
3 years ago
The price of one gallon of milk has increased from$3.24 to $4.06. What is the percentage increase
AlladinOne [14]
25.3% 

you have to do 4.06-3.24

then do that number divided by the original number then times by 100
8 0
2 years ago
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