Answer
: 4.5
Step-by-step explanation:
a^2+b^2=c^2
4^2+2^2=20
Square root of 20 = 4.5
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Step-by-step explanation:
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2+3(2x-5)-3(4z+6)-8
2+3(2x)+3(-5)-3(4z)-3(6)-8
2+6x-15-12z-18-8
2-15+6x-12z-18-8
-13+6x-12z-26
-13-26+6x-12z
-39+6x-12z
6x-12z-39
If the points B , C and D all lie on the line segment AE then AE = AB + CD + DE
Answer:
5
Explanation:
1. Find a common denominator for the three fractions. A common denominator is a number all three numbers divide into evenly. The lowest common denominator for 4, 3, and 6 is 12.
2. Find the numerators. This can be done by multiplying the current numerators by however many times the old denominator goes into the new denominator.
4 goes into 12 3 times
3 goes into 12 4 times
6 goes into 12 2 times
1 x 3 = 3
2 x 4 = 8
1 x 6 = 6
So, the fractions become:

3. Add the numerators of the new fractions and keep the denominator the same.

4. Convert the improper fraction to a mixed number.

5. Finally, add the whole numbers.
1 + 4 = 5