Bill cleans house windows for $20/houseplus $1/window. If your house has 22
windows; how much will it cost?
y= rate • x + constant
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Related Questions
Help me please just click on the picture
Solve for x. -ax+4b>9
What is an equation in Point slope form for the line perpendicular to y=2x+13 that contains (8,-4)?
How do you factor this equation? 5x^2-36x-81
A. x – 9
B. x – 2
C. x + 5
D. x + 7
Answers
Factorize the quadratic trinomial by the rule:
1. Find the roots:
2. Factorize the polynomial:
3. Only factor x-2 is given in options, then the correct choice is B.
The factor of the given polynomial expression is (x - 2). So, option B.
Using variables and coefficients, polynomials are algebraic expressions. The word indeterminates is sometimes used to describe variables.
For polynomial expressions, addition, subtraction, multiplication, and positive integer exponents are all mathematical operations that are possible, however division by variables is not one of them.
The given polynomial expression is,
x²- 9x + 14
So, we can write that,
(x - a) (x - b) = x²- 9x + 14
So, we can write two equations,
ab = 14
a + b = 9
Therefore, we can say that,
a = 2 and b = 7
Therefore, the factors of the given polynomial expression is,
(x - 2) (x - 7) = x²- 9x + 14
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_9
-64
-48
-32
What is the c-intercept of the line?
What is the x-intercept of the line?
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Answer:
-21
Step-by-step explanation:
What does the inequality statement show?
Select from the drop-down menus to correctly complete the statement.
−28 is
Choose... Greater or less
than −3, but 28 m below sea level is a
Choose... greater or less
depth than 3 m below sea level.
Answers
Complete statement is as follows -
−28 is less than −3, but 28 m below sea level is greater depth than 3 m below sea level.
What is inequality?
In mathematics, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions.
Given is Becky who went scuba diving. She writes an inequality statement that compares the magnitude of two depths that she reached.
We have the following expression -
|- 28| > |- 3|
The absolute value of the expression, will be -
28 > 3
Now, 28is greater than 3.
But is we compare -28 and -3, then -28 is less than -3.
Now, if we compare the depth of 28 m and 3 m below the sea level, then 28 m represent more depth as compared to 3 m.
Therefore, we can write the complete statement as -
−28 is less than −3, but 28 m below sea level is greater depth than 3 m below sea level.
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Okay I got the answer, so -28 is (LESS) than -3, and 28m below sea level is a (GREATER) depth than 3m below sea level! i took the test and I got it right.
Step-by-step explanation:
Answers
Answer:
Option 2 is correct.i.e., Equation that most accurately depicts the word problem is x + ( x + 2 ) = 30
Step-by-step explanation:
let x be no of pennies and y be no of nickles.
Mary Lou has total 30 coins all together means,
x + y = 30
⇒ y = 30 - x ....................(1)
Mary Lou has 2 more nickles than pennies means,
y = x + 2
30 - x = x + 2 (from eqn (1))
30 = x + x + 2
x + ( x + 2 ) = 30
Therefore, Option 2 is correct.i.e., Equation that most accurately depicts the word problem is x + ( x + 2 ) = 30
14 pennies and 16 nickels
Example:
A truck can tow at most 12,000 lbs.
Let t represent the amount that the truck can tow.
t ≤ 12,000
8. The restaurant can seat at most 172 people.
9. A person must be at least 35 years old to be elected president.
10. A law clerk earned more than $20,000 since being hired.
11. A local pizzeria offered a special. Two pizzas cost $14.99. A group of students spent less than $75. They purchased three pitchers of soda for $12.99. How many pizzas could the group purchase? (1 point for writing an inequality to represent this situation, 1 point for determining how many pizzas could be purchased)
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9. The person has to be at the least 35 years old, so the equation would be p ≥ 35 (p = person running for president). So the person would have to be equal to or older than 35.
10. Okay, so the person made any number greater than $20,000, so the equation is c > $20,000 ( c = law clerk) because it has to be bigger than $20,000.
11. So the equation for how much they spent is s < $75 ( s = students). But since they spent at least $12.99, the equation for pizzas purchased would be $12.99 < p < $75 (p = pizzas) because it would have to be between $12.99 and $75.
Answers
Answer:
The third choice
Step-by-step explanation:
We need to find the slope and y-intercept of the line and then put it into y = mx = b form. To find the slope, pick a point on the line; I will use (-2, 5); count how many units up you need to go to get to the next point on the line, which in this case it would be 3. The count how many to the right or left you would need to go, which is 1 to the left. Moving left means a negative, so it is -1. Your slope fraction would be , since slope is rise over run. You can sub this fraction in for m in y = mx + b, which will give you a revised equation of y = -3x = b. To find the y intercept, or b, just find the point where the line crosses the y-axis, which is -1. So, the equation is now y = -3x - 1.The correct answer is third choice.