Answer:
The correct options are;
B) and D)
Step-by-step explanation:
In the question, we have
A) x + y
Here the above equation is the addition of two variables, x and y hence it is not a product of two factors
B) 5(x + y)
Here we have the product of 5 and (x + y), therefore, it is the product of the two factors 5 and (x + y)
C) (x - y)
Here the equation is the difference of two variables, x and y hence it is not a product of two factors
D) xy
Here we have the product of x and y, therefore, it is the product of the two factors x and y.
Answer:
3+d=q and 0.10d+0.25q=1.80
There are 3 dimes and 6 quarters.
Step-by-step explanation:
This situation has two unknowns - the total number of dimes and the total number of quarters. Because we have two unknowns, we will write a system of equations with two equations using the two unknowns.
We know there are three more quarters than dimes. We write that as 3+d=q.
We also know the total cost and the value of each coin. We write 0.10d+0.25q=1.80.
We substitute 3+d for q in the second equation.
0.10d+0.25(3+d)=1.80
0.10d+0.75+0.25d=1.80
0.35d+0.75=1.80
We isolate the variable by subtracting 0.75 across the equal sign and then dividing by the coefficient of d.
0.35d=1.05
d=3
There are 3 dimes.
Answer: 30%
If anything has a denominator of 100, just put the #, and the % after it.
Answer:
50
Step-by-step explanation:
BC²+CA² = BA²
14²+48² = AB²
2500 = AB²
50 = AB
I am gonna have to go with Latisha's answer.
(x - 3)(x + 4) = x^2 + 4x - 3x - 12 = x^2 + x - 12.......and 4(-3) = -12, -3 + 4 = 1....and the factors are correct