What is the expanded form of the given binomial (5x+9)^2

1 answer:

4 0

(5x+9)^2
= (5x)^2 + 2 (5x) (9) + 9^2
= 25x^2 + 90x + 81

hope it helps

You might be interested in

snow_lady [41]

Answer:

$14.\:\:\overline{RT}=3.3\:ft$

Step-by-step explanation:

Using the definition of similar triangle, we have the equation for problem no. 14 as:

$\frac{\overline{QT}}{\overline{RT}}=\frac{\overline{RT}}{\overline{TS}}\\\\\frac{5}{x}=\frac{x}{2.2}\\\\\Rightarrow x=3.3$

Best Regards!

6 0

4 years ago

zloy xaker [14]

(2x + 7) + (2x) + (x + 18) = 180

5x + 25 = 180

5x = 155

x = 31 °

4 0

3 years ago

Sergeeva-Olga [200]

12.5 - is 25% of
Solution: 50

5 0

4 years ago

Nikolay [14]

Answer:

x = 8

Step-by-step explanation:

A common Pythagorean Triple is a 3-4-5 triangle. The current triangle is 6-x-10. 6 is 2x3 and 10 is 2x5. THus the remaining side must be 2x4 or 8.

6 0

3 years ago

maw [93]

Answer:

your answer is attached

8 0

3 years ago