Answer:
Z (0.10) = 1.282 (the Z-score which has 0.10 to the right, and 0.4000 between 0 and it). As a shorthand notation, the () are usually dropped, and the probability written as a subscript.
Step-by-step explanation:
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Answer:
Discounted price= 0.7 p
Step-by-step explanation:
Original price = p
Since we are given that 30 % is off on the price
So, 30 % of p
So, the discount is of amount 0.3p
So, the discounted price = Original price - Discount amount
So,the discounted price = p-0.3p
Discounted price= 0.7 p
Hence expression can be used to find the price of the shoes after the discount is 0.7p
7x + 6y = 31
The solution is, (1,4) is the solution of the system of equations and choose the correct ordered pair.
4x + 3y = 16
7x + 6y = 31
An equation is a mathematical statement that is made up of two expressions connected by an equal sign. In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal.
here, we have,
given that,
equation: 1
4x+3y=16
y=(16-4x)/3
equation: 2
7x+6y=31
y=(31-7x)/6
now, we have,
(16-4x)/3 = (31-7x)/6
6(16-4x) = 3(31-7x)
96-24x=93-21x
3=3x
x=1
we get,
4x+3y=16, x=1
4(1)+3y=16
4+3y=16
3y=12
y=4
so, we have,
x=1, y=4
therefore the answer is B (1,4)
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so the origiinal price is 187.50 and the sale price was 165, so the discount is 187.50 - 165 = 22.5.
if we take 187.50 to be the 100%, what is 22.5 off of it in percentage?
Answer: I got 12% after trial an error from 15% down to 12% when i got 165$
Statements Reasons
1. (2y) ∙ 4 + y 1. Given
2. 4 ∙ (2y) + y 2. Commutative Property
3. (4 ∙ 2) ∙ y + y 3.
4. 8y + y 4. Commutative Property
5. 9y 5. Addition
Multiplication
Distributive Property
Addition
Associative Property
.
1 points
Question 3