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zvonat [6]
3 years ago
7

What’s the correct answer for this ? Two chords AB and CD intersect at E. If AE = 2cm, EB =4, and CE = 2.5 cm, find the length o

f ED
Mathematics
1 answer:
ss7ja [257]3 years ago
7 0

Answer:

ED = 3.2 cm

Step-by-step explanation:

According to chord-chord power theorem,

(AE)(EB) = (CE)(ED)

2*4 = 2.5 *ED

8/2.5 = ED

ED = 3.2 cm

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If the unit selling price is 2.50 and the unit cost is 1.00, what action is needed to maintain the gross margin percentage when
lbvjy [14]
2.75

Oh no! Something went wrong while adding your answer
It's too short.<span> Write at least 20 characters to explain it well.</span>
7 0
3 years ago
On Monday,it took Helen 3 hours to do a page of science homework exercises.The next day she did the same number of exercises in
Blababa [14]

Answer:

It's 3/2p!

Step-by-step explanation:

Because Helen do the same number of exercises on 2 days, the time to do and the average rate are  inversely proportional!

So, if on Monday, Helen's average rate is p then on the next day, her average rate is:

p × 3 ÷ 2 = \frac{3p}{2}

=3/2p

Brainliest?

3 0
3 years ago
Can someone please answer this question I need it today please show work and please answer it correctly i
svlad2 [7]

Answer:

24) $495

25) 14%

26) 25/X = 83/100

27) 0.7p

28) x + .085x and 1.085x

29) $221.90

30) $24.10

31) $6.13

32) 40%

Step-by-step explanation:

24) 600 - (600 × 0.25) = 450

450 × 1.10 = 495

25) (106 - 93) ÷ 93 = 0.13978

0.13978 × 100 = 13.978 ~ 14

27) 1.0 - 0.3 = 0.7

28) 1.00 + 0.085 = 1.085

29) 100% - 15% = 85%

240 × 0.85 = 204

204 × 1.0875 = 221.85

30) 25.89 × 4 = 103.56

103.56 + 179.99 = 283.55

283.55 × 0.085 = 24.10175

31) 8.75 × 0.70 = 6.125

32) 80 - (80 × 0.40) = 48

4 0
3 years ago
GIVING BRAINLIEST!!!!!!! A rectangular prism has a length of 4 1/4 in., a width of 3 in., and a height of 1 1/4 in. Which expres
den301095 [7]

Answer:

15.9

Step-by-step explanation:

4 1/4 x 3 x 1 1/4 = 15.93

15.93 rounded is 15.9

Hope this helps!

5 0
3 years ago
Can you please answer everything. What fraction every letter on their can run in a minute. Reward brainiest answer: 15 points
oksian1 [2.3K]
Student B:
1/2 / 4
= 1/2 x 1/4
= 1/8

student A:
2/3 / 6
= 2/3 x 1/6
= 1/9

student C:
4/5/ 8
= 4/5 x 1/8
= 1/10


answer
student B: 1/8 of a mile per minute
student A: 1/9 of a mile per minute
student C: 1/10 of a mile per minute
8 0
3 years ago
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