Is simply their difference,

$\bf -\cfrac{3}{7}-\left( -\cfrac{2}{3} \right)\implies -\cfrac{3}{7}+\cfrac{2}{3}\impliedby \textit{LCD of 21}\implies \cfrac{-3(3)+2(7)}{21}
\\\\\\
\cfrac{-9+14}{21}\implies \cfrac{5}{21}$

4 0

3 years ago

Find the measure of each acute angle in a right triangle where the measure of one acute angle is 8 times the measure of the othe

Arlecino [84]

Answer:

10° and 80°

Step-by-step explanation:

All triangles have internal angles that always add up to 180°.

8 0

2 years ago

Complete the square 2x

Elan Coil [88]

Answer:

2x squared , is basically (2 times 2) into ( x into x)

so that makes (2x)^2 = 4x^2

Step-by-step explanation:

6 0

3 years ago

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Ben has a rectangular area 9 meters long and 6 meters wide. He wants a fence that will go around it as well as grass sod to cove

Blababa [14]

the formula for perimeter is l+l+w+w

So 9+9+6+6= 30 meters of fence

5 0

3 years ago

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