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AysviL [449]
2 years ago
9

In the figure, AC=20cm CD=22cm and AE=16cm find the length of BD.

Mathematics
1 answer:
34kurt2 years ago
4 0

Answer:

17.6 cm

Step-by-step explanation:

Area of triangle equals to half of the base times height, i.e. A = 1/2 × b × h.

1/2 x 22 x 16 = 1/2 x 20 x BD

BD = (1/2 x 22 x 16) / (1/2 x 20)

BD = 17.6 cm

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Charlie reads quickly . He reads 1and3/7 pages every 2/3 minutes.How many pages does he read pre minute?
SVETLANKA909090 [29]
Hello there!

First, we need to admit that math is a hard subject. So, how do we handle hard stuff? We find an easy way. Right?

Well same goes here. They give the fractions to drive us crazy. Let's find the easiest way...

The easiest way is to turn them into decimals.
1 3/7 = 1.42 which is the amount of pages he reads
2/3 = 0.67 minute.

The are asking us how many pages does he reads per minute.

So we gonna say:
Charlie reads 1.42 pages ......> 0.67
Charlie reads x pages.............> 1minute

Cross multiply

0.67 * x = 1 * 1.42
0.67x = 1.42
x = 1.42/0.67
x = 2.11

So, Charlie reads 2.11 pages in 1 minute.


I hope this helps. Please let me know if you have questions about the answer.

Thanks!


5 0
3 years ago
Simplify the expression: 5 x t x 5
vodka [1.7K]
I think it would be 25t but correct me if i’m wrong
8 0
2 years ago
Read 2 more answers
Simplify 3/5-6i<br> A.15+18i/61<br> B.-15+18i/61<br> C.3i/6+5i<br> D.15+18i/-11
GrogVix [38]

Answer:

15/61+18/61i

Step-by-step explanation:

6 0
2 years ago
What’s the answer?!!!!
mel-nik [20]

Answer: YES

Step-by-step explanation:

<u>Concept</u>

In a right triangle, the square of both legs is equal to the length of hypotenuse squared. This is the Pythagorean theorem: a²+b²=c². For more graphical explanation, please refer to the attachment below.

<u>Given</u>

Leg a = 36 in

Leg b = 48 in

Hypotenuse c = 60 in

<u>Solve</u>

a² + b² = c²

(36)² + (48)² = 3600

(60)² = 3600

3600 = 3600

Therefore, the answer is <u>YES</u>

Hope this helps!! :)

Please let me know if you have any questions

6 0
3 years ago
Does anyone have an answer or can help
Mamont248 [21]

Answer:

set them equal to each other and solve for x

Step-by-step explanation:

8 0
2 years ago
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