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ololo11 [35]
3 years ago
14

What is the area of a triangle with a base of 7 mm and a height of 10 mm

Mathematics
1 answer:
galina1969 [7]3 years ago
5 0

Answer:

A≈3.5×10-5m²

Step-by-step explanation:

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Use a linear approximation (or differentials) to estimate the given number.
bagirrra123 [75]
Would use the algorithm for solving square root.

For square root,  √n

x₁ = 0.5(x₀ + n/x₀)        

(This formula is known and for square root, and can be derived using Newton-Raphson's approximation equation)

Where x₀ is the initial guess.  x₁ becomes the new guess.

For √100.6  let our initial guess be 10,  x₀ = 10,  n = 100.6

Our approximation shall be to 3 decimal places. Once we get the same answer twice we stop the algorithm.

x₀ = 10,  x₁ = 0.5(x₀ + n/x₀),    x₁ = 0.5(10 + 100.6/10)  = 10.030, x₁ = 10.030

x₂ = 0.5(x₁ + n/x₁),    x = 0.5(10.030 + 100.6/10.030)  ≈10.015,  x₂ ≈ 10.030 (to 3 decimal places)

Since x₂≈ x₁, the algorithm stops.

So the √100.6 is ≈ 10.030 to 3 decimal places.

I hope this helps.
4 0
3 years ago
87,521 rounded to the nearest hundred
givi [52]

Answer:

87,500

Step-by-step explanation:

Since the last 2 digits arent 5 or greater than 5 it can not be rounded to the next hundred.

3 0
3 years ago
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This week, Mia's family watched 57 hours of TV. That is 50% more hours than they watched last week. How many hours of TV did Mia
lesantik [10]
28.5
50 percent or one half divided by 2 is 28.5
5 0
3 years ago
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Add. Write your answer in simplest form.
Marianna [84]

Answer:

26 over 3 =2

                  ------ = 8.667

                     3

Convert mixed number to improper fraction

5 and 3 over 45

3

4

= ( 5 × 4 ) over 4

5 × 4

4

+ 3 over 4

3

4

= ( 20 + 3 ) over 4

20 + 3

4

= 23 over 4

23

4

Step 1 of 2: Add, sub-step b: Convert mixed number to improper fraction.

Convert mixed number to improper fraction

2 and 11 over 122

11

12

= ( 2 × 12 ) over 12

2 × 12

12

+ 11 over 12

11

12

= ( 24 + 11 ) over 12

24 + 11

12

= 35 over 12

35

12

Step 1 of 2: Add, sub-step c: Find common denominator.

Find common denominator

23 over 4

23

4

+ 35 over 12

35

12

= ( 23 × 3 ) over ( 4 × 3 )

23 × 3

4 × 3

+ ( 35 × 1 ) over ( 12 × 1 )

35 × 1

12 × 1

= 69 over 12

69

12

+ 35 over 12

35

12

12 is the least common multiple of denominators 4 and 12. Use it to convert to equivalent fractions with this common denominator.

Step 1 of 2: Add, sub-step d: Add.

Add

69 over 12

69

12

+ 35 over 12

35

12

= ( 69 + 35 ) over 12

69 + 35

12

= 104 over 12

104

12

                 

5 0
2 years ago
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If five notebooks cost 5.25 how much wood three notebooks cost
AlladinOne [14]
$3.15      because 5,25 divided by 5 is 1.05 times 3
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3 years ago
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