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lawyer [7]
3 years ago
12

if D is the midpoint of line AC, C is the midpoint of line AB, and BD=12, what is the length of line AB

Mathematics
1 answer:
Schach [20]3 years ago
6 0

Look at the picture.

x + 2x = 12

3x = 12     <em>divide both sides by 3</em>

x = 4

AB = 12 + x

therefore AB = 12 + 4 = 16

<h3>Answer: AB = 16.</h3>

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A school track is shown. 1000 m 74 m The straightaway on each side measures 1,000 meters. The curves are semicircles with diamet
Lesechka [4]

Answer:

You have Rs 2,400 in your account and the interest rate is 5%. After how many years

would you earn Rs 240 as interest.

Step-by-step explanation:

4 0
3 years ago
mrs jones gave 1/5 of a cake to her neighbour. she then sliced the remainder into 3 pieces for her 3 children, ken, ron and davi
Arturiano [62]

The fraction of the cake that was ron's pieces is 1/5.

<h3>What is the fraction of the cake was ron's pieces?</h3>

Ratio demonstrates how many times one number can fit into another number. Ratios contrast two numbers by ordinarily dividing them. A/B will be the formula if one is comparing one data point (A) to another data point (B).

Since Mrs Jones gave 1/5 of a cake to her neighbour, the remaining fraction will be:

= 1 - 1/5

= 4/5

The fraction of the cake that was ron's pieces will be:

= 2/(1+3+4) × 4/5

= 2/8 × 4/5

= 8/40

= 1/5

Learn more about ratio on:

brainly.com/question/2328454

#SPJ1

4 0
1 year ago
sean needs to finish reading his book in four days. he reads 1/3 of the book on the first day, 1/4 of the book on the second day
emmainna [20.7K]

Answer:

60 pages

Step-by-step explanation:

Day 1 : 1/3 book

Day 2: 1/4 book

Day 3: 1/5 book

Day 4: 13 pages

Total days 1 through 3 = 1/3 + 1/4 + 1/5 = 20/60 + 15/60 + 12/60 = 47/60

Day 4 = 1 - 47/60 = 13/60

8 0
2 years ago
Please help what would be the mean of the data ?
Doss [256]
As mentioned mean is b . you multiply it with 8 so the data would 8b. 
7 0
3 years ago
Read 2 more answers
Kelly deposited $4,205 in an account for 3.5 years. She earned $662.29 in interest. What interest rate did the bank pay her?
mylen [45]

Answer:

r = 4.5%

Step-by-step explanation:

Formula:

I = Prt

r = I/(Pt)

Given:

I = 662.29

P = 4205

t = 3.5

Work:

r = I/(Pt)

r = 662.29/(4205 * 3.5)

r = 662.29/14717.5

r = 0.045

r = 4.5%

5 0
2 years ago
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