5. Olivia ate at the same restaurant four times. Each visit she ordered a salad and
2 answers:
Answer:
Cost of each salad = $12
Step-by-step explanation:
Olivia ate at the same restaurant four times. she ordered a salad and left a $1.50 tip on each visit. She spent a total amount of $54.
Let x be the cost of salad
She ate the salad four times. So the cost of 4 salad is 4x
Then she left a tip of 1.50 each visit. 4 times 1.50 = 6 dollars
Total cost is $54
cost of 4 salads + tip amount is equal to total cost
Solve for x
Subtract 6 from both sides
Divide both sides by 4
x=12
Cost of each salad = $12
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The given statement can be represented as :
- 2b³ - b
where, the number is assumed to be " b "
therefore, the correct choice is B. 2b³ - b
Answer:
Step-by-step explanation:
We are asked to find the equation of a line given a point and the slope. We will use the point-slope formula.
In this formula, m is the slope and (x₁, y₁) is the point the line passes through. The slope of this line is -4 and the line passes through (-2,5).
- m= -4
- x₁= -2
- y₁ = 5
Substitute the values into the formula.
We are finding the equation of the line, so we should find the slope-intercept form or y=mx+b ( where m is the slope and b is the y-intercept).We must isolate the variable y on one side of the equation.
First, distribute the -4 on the right side of the equation. Multiply each term inside the parentheses by -4.
5 is being subtracted from y. The inverse operation of subtraction is addition, so we will add 5 to both sides of the equation.
The equation of the line is y= -4x -3. The slope of the line is -4 and the y-intercept is -3.