All in picture. math
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Improvement in this question means less time taken.
The biggest drop is from 1 to 2
Related Questions
Simplify the expressionx^2 + 3x - 28/ x^2 - 7x + 12Show your work.
Cecil is buying almonds and cashews. A bag of almonds costs $7.00 and a bag of cashews costs $9.00. Cecil has $60 to spend on the nuts. Cecil wants to purchase at least 2 bags of almonds. Cecil does not want the cost of the cashews to exceed the cost of the almonds. What is the maximum number of bags of cashews that Cecil can buy?
What is the simplified form of the expression? (b/7)^2
Which relation is a function of x? {(1, 2), (7, 6), (3, 2), (1, 0), (5, 6)} A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 0, 0, 0. Column 2 is labeled y with entries 2, negative 6, 9, negative 7. x = 3 y squared minus 7 On a coordinate plane, a graph curves up, then curves down, and then curves up again. please comment i cant see answers thank you! :)
Answers
x+y = 9 ⇒ x = 9-y
x·y = -42
(9-y)·y = -42
9y-y² = -42
y²-9y-42 = 0 for a = 1, b = -9 e c = -42
Δ = b²-4ac
Δ = (-9)²-4(1)(-42)
Δ = 81+168
Δ = 249
y₁ = (-b+√Δ)/2a = (-(-9)+√249)/2(1) = (9+√249)/2 = 9/2 + √249/2
y₂ = (-b-√Δ)/2a = (-(-9)-√249)/2(1) = (9-√249)/2 = 9/2 - √249/2
For y = 9/2 + √249/2
x+y = 9
x = 9-y
x = 9-(9/2 + √249/2)
x = 9/2 - √249/2
For y = 9/2 - √249/2
x+y = 9
x = 9-y
x = 9-(9/2 - √249/2)
x = 9/2 + √249/2
Answer:
Numbers: 9/2 + √249/2 and 9/2 - √249/2
b. Write a rule for the function p(r) that expresses the final price p of a T-shirt with the discount applied and sales tax added.
c. How much would you pay during Bargain Days for a shirt regularly priced at $15.50?
Answers
Answer:
A:
Let the regular price of the t shirt be = r
Let the total cost of the t shirt be = t
So, we can say :
B:
C:
Substituting r = 15.50
=>
= $11.025
b) p = ( r - 5 ) * 1.05
c) p = (15.5-5)*1.05 = 10.5 * 1.05 = $ 11.02
Answers
To find the vertex form of parabola given in almost standard form
were written following steps:
1. Write the function in standard form:
2. Factor a out of the first two terms:
3. Form a perfect square trinomial:
4. Write the trinomial as a binomial squared:
The vertex is (-3,-27).
Answer: missing value is 3
The function in vertex form is y = 3( x+3)² -9
What is a Function ?
A function is a mathematical statement formed for relating a dependent and in independent variable.
It is given that
f(x) = 18x +3x²
To write it into vertex form
The standard vertex form is given by
y =a(x- h)² +k
y = 18x +3x²
y = 3(x² +6x)
y = 3 (x² + 2.3 x + 9) -9
y = 3( x+3)² -9
Therefore in vertex form the function is y = 3( x+3)² -9
To know more about Function
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What is the value of x?
-question in picture
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Answer:
i have no clue at all what x
Answers
Answer:
165.90 pounds
Step-by-step explanation:
Answer:
165.90
Step-by-step explanation:
x=7
y=-7