Answer:
y = 4x - 1
Step-by-step explanation:
The line has a slope of 4.
And passes through the point (1,3)
Taking another point (x,y) on the line;
= 4
y - 3 = 4x - 4
y = 4x - 4 + 3
y = 4x - 1
Answer:
1/4
Step-by-step explanation:
(I think ) sorry it it's wrong
Answer:
The ratio of difference between B and A and the difference between C and B is 3 : 10
Step-by-step explanation:
Three numbers A, B and C are in the ratio of 12: 15 : 25
Let the rational between the numbers be x. Hence the three numbers are :
A is 12x, B is 15x and C is 25x.
Sum of these numbers is 312,
12x + 15x + 25x = 312
52x = 312
x = 6
The rational is 6. Thus the three numbers are:
A = 12x = 12 × 6= 72
B = 15x = 15 × 6 = 90
C = 25x = 25 × 6 = 150
Ratio between the difference of B and A and the difference of C and B to be calculated
Difference between B - A = 90 - 72 = 18
Difference between C - B = 150 - 90 = 60
Thus the ratio of difference between B and A and the difference between C and B is 18 : 60 or 3 : 10
Answer:
Let the number of five's = 2x = 2x × 5 = 10x
Then the number of ten's = x = x × 10 = 10x
10x + 10x = 640
20x = 640
x = 32
There are 32 ten dollar bills.
Answer:
78
Step-by-step explanation:
4 or less let it rest 5 or more add one more