Kate is at a T-shirt sale where she can buy one and get a second one for 30% off. She wants to buy two T-shirts listed at $19 each. How much will she pay?
Answers
Solution:
1. 19 for each t-shirt
2. Total of $38 if not provided with 30% off
3. 19 x 0.3 = 5.7
4. Hence 30% of $19 is $5.7
5. Next is we deduct $5.7 which is 30% of $19.
6. 19 – 5.7 = $13.3
7. Therefore we add one shirt for $19 and the second, less 30% off which now only costs for $13.3.
8. 19 + 13.3 = 32.3
9. Conclusively, she will pay $32.3 for the shirts.
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The curve produced by the water coming from a hose is sketched onto a graph with zeros at 0 and 5. The point (4, 1) also lies on the curve. If h(x) represents the vertical distance from where the water first comes out of the hose and x represents the horizontal distance, which statements are true? Check all that apply.A.The scenario can be represented by the function h(x) = –0.25(x)(x – 5). B.The scenario can be represented by the function h(x) = (x)(x + 5). C.The vertex is on the line x = 2.5. D.The greatest height that the water reaches is 1.5 units. E.The scenario can be represented by the function h(x) = –1(x – 5).
Answers
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What is the missing value?
Answers
we have
Step
Let
y=f(x)
Exchange the variable x for y and variable y for x
Clear variable y
Multiply by both sides
Let
therefore
the answer is
the inverse of the function is
the missing value is
Answer:
The Given function is
y= x + 10
To find the inverse of function , we use the following procedure
x=y-10
Now, replace x by y and y by x, we get the inverse of function
y=x -10 , is the inverse of the function, y=x+10.
As, it is given that inverse of f(x) is h(x)
Also, h(x)= 2 x - k-------(1)
Inverse of f(x)=x+10 is ,y= x-10, that is 2 y=2 x- 20------(2)
Comparing 1 and 2, gives
h(x)=2 y
-k=-20
k=20
Answers
5x=20
x=20/5
x=4
Steps:
Step 1: Multiply both sides of the equation by the L.C.M of the numerators of both sides of the equation ( 10 and 1). L.C.M is 10
(5x/10).10 = 2x10
5x = 20
Step 2: Divide both sides by the co-efficient of x i.e.5
(5x)/5 = 20/5
x = 4
I hope this helps
Answers
Solve the terms within the parenthesis and has exponents. Group like terms and simplify.
(2x-3)(2x-3) ⇒ 2x(2x-3) -3(2x-3) ⇒ 4x² - 6x - 6x² + 9 ⇒ -2x² - 6x + 9
Deduct 3 from the answer of the previous solution.
-2x² - 6x + 9 - 3 ⇒ -2x² - 6x + 6
Deduct the answer of the previous solution from 5x²
5x² - 2x² - 6x + 6 ⇒ 3x² - 6x + 6
3x² - 6x + 6 can be factored by 3.
3(x² - 2x + 2)
Answers
(6.4 x 10^8 meter/sec) x (1 km / 1,000 meter) x (3,600 sec/hour) =
(6.4 x 10^8 x 3,600 / 1,000) km/hour =
177-7/9 km/hour
Answers
Answer:
A: all real numbers
and
B: All real numbers greater than or equal to -2
Step-by-step explanation:
edg2021
The domain refers to values on the X-axis, and as you can see there are arrows on the orange line, meaning it goes on "forever". This is all real numbers.
The y-axis (range) has the line go through at -2. The line is pointing up, which means all the numbers are greater than -2, or could be equal to -2.
Answer:
lA: all real numbers
B: All real numbers greater than or equal to -2
Step-by-step explanation: