Answer:
Factor the numerator and denominator and cancel the common factors.
Step-by-step explanation:
3x² + 5x - 1
 
        
             
        
        
        
Answer:
5 hours
Step-by-step explanation:
3h5min+1h55min=5hours
 
        
             
        
        
        
Answer:
57,000,000
Step-by-step explanation:
1. Sum the numbers 34,000,000 + 23,000,000= 57,000,000
 
        
                    
             
        
        
        
Answer:
x = 9 and y = -7
Step-by-step explanation:
given:
using substitution method:
2(-4y - 19) + 2y = 4
-8y - 38 + 2y = 4
-6y = 42
y = -7
Solve for x:
x = -4(-7) - 19
x = 28 - 19
x = 9
 
        
                    
             
        
        
        
Answer:
   3 1/2 quarts
Step-by-step explanation:
The fraction of the lemonade that is water can be determined from the ratio of water to lemon juice. That fraction of a gallon is the quantity of interest.
<h3>Water fraction</h3>
Of the 7+1 = 8 parts that make up the lemonade, 7 of those are water. That is, water is 7/8 of the lemonade.
<h3>Water quantity</h3>
Of the 4 quarts of lemonade, the quantity that is water will be ...
   (7/8)(4 quarts) = 7/2 quarts = 3 1/2 quarts . . . of water