f(x)=7 i think this is right please tell mee
Answer:
The cost of one brownie is $0.75
Step-by-step explanation:
The given parameters are;
The number of pizza's Marcel bought = 4 pieces
The number of brownies Marcel bought = 2 brownies
The amount Marcel paid = $18.50
The number of pizza's Morgan bought = 3 pieces
The number of brownies Morgan bought = 2 brownies
The amount Morgan paid = $14.25
Let x represent the cost of a pizza and y represent the cost of a brownie, we have;
4·x + 2·y = $18.50...(1)
3·x + 2·y = $14.25...(2)
Subtracting equation (1) from equation (2) gives;
4·x + 2·y - (3·x + 2·y) = $18.50 - $14.25 = $4.25
4·x - 3·x + 2·y - 2·y = $4.25
x = $4.25
The cost of a pizza = x = $4.25
4·x + 2·y = $18.50
2·y = $18.50 - 4·x = $18.50 - 4×$4.25 = $1.5
y = $1.5/2 = $0.75
y = $0.75
The cost of a brownie = $0.75
Answer:
5^6
Step-by-step explanation:
(5^3)^2
We know that a^b^c = a^(b*c)
5^(3*2)
5^6
Answer:
1/4
Step-by-step explanation:
add the ratios
3+5=8
240 Divided by 8=30
3x30=90
5x30=150
Ann(90)
Bob150)
90/2=45 (remeber Ann gave half)
150/10=15 (remeber Bob gave a tenth)
45+15=60 (Colin received this amount)
60/240=1/4
Answer:
x=-20
Step-by-step explanation:
x + 6 = -14
Subtract 6 from both sides
x+6-6=-14-6
x = -20
