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raketka [301]
3 years ago
7

2h+y/9h^2-y^2 - 4h^2/3h+y what is the least common denominator in this expression

Mathematics
1 answer:
Degger [83]3 years ago
4 0

Answer: It is 9

Step-by-step explanation:

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Write 9 as a power of the base 3
malfutka [58]
9 = 3^2
Since 3 squared equals 9, that is how 9 as a power of the base 3 should be written. 
4 0
3 years ago
Roots of x^2+8x+9 by finding in quadratic formula
gladu [14]
The quadratic formula is -b + or - the square root of b squared - 4 times the a value and c value over 2a. So the roots would be -1.354249 and -6.645751. I believe these are the roots. 
4 0
3 years ago
Pls Help! John wants to prove ABC = to DEF. He Knoes AB = DE and AC = DF. With Screenshot
matrenka [14]

Answer:

\angle A \cong \angle D

Step-by-step explanation:

The Side-Angle-Side method cana only be used when information given shows that an included angle which is between two sides of a ∆, as well as the two sides of the ∆ are congruent to the included side and two sides of the other ∆.

Thus, since John already knows that \overline{AB} \cong \overline{DE} and \overline{AC} \cong \overline{DF}, therefore, an additional information showing that the angle between \overline{AB} and \overline{DE} in ∆ABC is congruent to the angle between \overline{AC} and \overline{DF} in ∆DEF.

For John to prove that ∆ABC is congruent to ∆DEF using the Side-Angle-Side method, the additional information needed would be \angle A \cong \angle D.

See attachment for the diagram that has been drawn with the necessary information needed for John to prove that ∆ABC is congruent to ∆DEF.

7 0
3 years ago
I need help. Plz! ???
Troyanec [42]

Answer: No

Step-by-step explanation: No, because a proportional relationship is  a line that goes up at a constant rate, and goes through the origin, an example of a proportional relationship is a straight line starting from the origin ( or what we call the starting point)

3 0
2 years ago
Read 2 more answers
What is the answer to -3(-6.2) = in simplest form
Ksju [112]

Answer:

18.6

Step-by-step explanation:

-3(-6.2)

~Expand

-3 * -6.2

~Multiply

18.6

Best of Luck!

4 0
3 years ago
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