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oee [108]
3 years ago
11

The diagram shows a right angled triangle use pythagoras theorem to work out length of side ac

Mathematics
1 answer:
Strike441 [17]3 years ago
4 0

Answer:

Step-by-step explanation:

Using Pythagoras theorem,

AC^2 = AB^2 + BC^2

AC^2 = 4^2 + 15^2

AC^2 = 16 + 225

AC^2 = 241

AC = √241

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Still timed. More math needing help with, i'll double points and mark brainliest! 1. (y - 6) (y + 3) 2. (4x - 5) (x - 7) 3.(3x -
wlad13 [49]

Answer:

1. y² - 3x - 18

2. 4x² - 33x + 35

3. 12x² - 11x + 2

Step-by-step explanation:

All we do with these questions are expanding the factored binomials. Use FOIL:

1. y² + 3y - 6y - 18

y² - 3y - 18

2. 4x² - 28x - 5x + 35

4x² - 33x + 35

3. 12x² - 3x - 8x + 2

12x² - 11x + 2

3 0
3 years ago
Read 2 more answers
Write 3 decimals less than 0.85
-Dominant- [34]

Hello!

Three decimals less then 0.85 are:

1) 0.4

2) 0.5

3) 0.6

I hope it helps!

8 0
2 years ago
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Solve 2^10 + 2^10 = 2^n.
Lina20 [59]

Answer: n = 11

Step-by-step explanation:

2^10 = 1,024

1,025 + 1,025 = 2,048

2^11 = 2,048

8 0
3 years ago
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Give a rule of the​ piecewise-defined function. Give the domain and the range.
dimulka [17.4K]

Answer:

Hello your question is incomplete below is the complete question

option B is correct  

f(x) = 1 if x ≤ 0

       -2 if x > 0

Step-by-step explanation:

The Rule of the piece-wise-defined function is :

from the given figure attached it can be seen that as : x ≤ 0 , y = 1

while for x > 0 , y = -2

therefore option B is correct  

f(x) = 1 if x ≤ 0

       -2 if x > 0

3 0
3 years ago
Help please <br> Find the measure of KM
diamong [38]

Answer:

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