Answer:
it's either B or D but you would have to do the math
Step-by-step explanation:
Answer:
x = 27 and y = 17 is the solution the the given pair of equations.
Number of dinosaur's rib = x = 27
Number of dinosaur's arm = y = 17
The cruising speed of the airplane is equal to 200 m/s.
<u>Given the following data:</u>
- Time =
To calculate the cruising speed of the airplane:
<h3>What is speed?</h3>
Speed can be defined as the distance covered by a physical object per unit of time. Thus, speed can be measured as meter per seconds.
Mathematically, speed is given by this formula;
<u>Conversion:</u>
Distance = 1 kilometer = 1000 meter
Time =
Substituting the given parameters into the formula, we have;
Speed = 200 m/s.
Read more on speed here: brainly.com/question/10545161
Answer:
(6x + 1)(x + 9)
Step-by-step explanation:
6x^2 +9 = - 55x
6x^2 + 55x + 9 = 0
55 is a pretty big number compared to either 6 or 9. Not only that, but 6*9 = 54.
So the answer is going to depend on multiply 6x together with 9
(6x + __ ) ( x + 9)
Now what goes were the underline is?
You have 54x. You need but 1 more to get 55x. So a one must go where the underline is.
(6x + 1 )(x + 9) Answer
Knowing the roots first write the equation in factored form:
(X - 3/4)(x +5) = 0
Now use the FOIL method ( multiply each term in one set of parentheses by each term the other set:
X•x + x•5 -3/4•x -3/4•5
Simplify:
X^2 + 5x -3/4x -3 3/4
Combine like terms:
X^2+ 4 1/4x - 3 3/4