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Papessa [141]
4 years ago
14

A surveyor wants to find the distance AB across a lake in the diagram. He locates a point C and the midpoints M and N of AC and

BC respectively. By direct measurement, MN = 28 m. It is known that Angle ABC and Angle MNC are similar. Find the distance AB.

Mathematics
1 answer:
Gemiola [76]4 years ago
5 0
AB = 56 because the bigger triangle is 2 times the smaller one.
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9 1/2 yards x 19 1/4 yards
saul85 [17]

Answer:

(9 1/2) * (19 1/4) = 1463/8 = 182 7/8

Step-by-step explanation:

Conversion a mixed number 9 1/2

to a improper fraction: 9 1/2 = 9 1/2

= 9 · 2 + 1/2

= 18 + 1/2

= 19/2

To find a new numerator:

a) Multiply the whole number 9 by the denominator 2. Whole number 9 equally 9 * 2/2

= 18/2

b) Add the answer from previous step 18 to the numerator 1. New numerator is 18 + 1 = 19

c) Write a previous answer (new numerator 19) over the denominator 2.

Nine and one half is nineteen halves

Conversion a mixed number 19 1/4

to a improper fraction: 19 1/4 = 19 1/4

= 19 · 4 + 1/4

= 76 + 1/4

= 77/4

To find new numerator:

a) Multiply the whole number 19 by the denominator 4. Whole number 19 equally 19 * 4/4

= 76/4

b) Add the answer from previous step 76 to the numerator 1. New numerator is 76 + 1 = 77

c) Write a previous answer (new numerator 77) over the denominator 4.

Nineteen and one quarter is seventy-seven quarters

Multiple: 19/2

* 77/4

= 19 · 77/2.4

= 1463/8

5 0
3 years ago
Please help will give brainliest!
Ipatiy [6.2K]

Answer:

Should be 1 if im not wrong Then Mark Me brainliest

Step-by-step explanation:

a negative times a neg equals a posative

Neg x pos = neg

pos x neg = neg

pos x pos = pos

neg x neg = pos

so if there greater then over neg<, >,=

You would look at the problem for given f(x)=

x → -1 and neg times neg more or less

-1 x -1 = 1

7 0
3 years ago
Use the Distributive Property to<br> REWRITE 2/3(x - 9)
KATRIN_1 [288]

Answer:

2/3x-6

Step-by-step explanation:

4 0
3 years ago
HELP ME PLEASE I NEED HELP ASAP
Nat2105 [25]

Answer:

82 i think

Step-by-step explanation:

hope this helps :3

if it did pls mark brainliest

im so sorry if its wrong

6 0
3 years ago
Read 2 more answers
Which of the following expressions represents the distance between -\dfrac34−
denis-greek [22]

Answer: it's the second option, so B.

Step-by-step explanation:

Trust me, it's correct. (This answer for is Khan)

5 0
3 years ago
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