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3 years ago

5

a pack of cinnamon scented pencils sells for $4.00. what is the sales tax rate if the total cost of the pencils is $4.32

1 answer:

sergeinik [125]3 years ago

7 0

8% or 8 cents per dollar.

To find the answer, just divide the extra 32 cents charged by the 4 dollars spent to find the amount per dollar, and you should get 8, or 8% tax.

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Sheila is flying a kite with 250 feet of her string let out. The angle the kite line makes with a line parallel to the ground is

Svetach [21]

The altitude of the kite:
h = 5 + 250 · sin 45°
h = 5 + 250 · √2 / 2
h = 5 + 250 · 0.7071 = 5 + 176.77 = 181.77 ≈ 182 ft
Answer: The altitude is 183 ft.

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3 years ago

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Mazyrski [523]

Answer:

C. A rate with one (1) in the denominator

A unit rate is basically a ratio of something to one.

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if 10 bananas costs ten dollars then one banana would cost one dollar.

Step-by-step explanation:

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The function y = f (x) is graphed below. What is the average rate of change of the function f(x) on the interval - 1 ≤ x ≤ 3?

jonny [76]

Answer:

$\displaystyle -2$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Algebra I</u>

Average Rate of Change: $\displaystyle \frac{f(b) - f(a)}{b - a}$

Step-by-step explanation:

<u>Step 1: Define</u>

Interval -1 ≤ x ≤ 3

a = -1, b = 3

f(a) = f(-1) = 4

f(b) = f(3) = -4

<u>Step 2: Find Average</u>

Substitute in variables [ARC]: $\displaystyle \frac{f(3) - f(-1)}{3 + 1}$
Substitute: $\displaystyle \frac{-4 - 4}{3 + 1}$
[Fraction] Subtract/Add: $\displaystyle \frac{-8}{4}$
[Fraction] Divide: $\displaystyle -2$

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3 years ago

16. Write the inequality that is shown on the graph.

TiliK225 [7]

Answer: 5<x<9

Step-by-step explanation:

Graph is from 5 to 9, not including 5 and 9. Let's say x is all the values from 5 to 9, not including 5 and 9.

So, answer is 5<x<9

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1 year ago

Please help me with my math homework

Hatshy [7]

Answer:

So basically the mean is the average number.

Step-by-step explanation:

add all of them then divide by 6 (aka how many fractions)

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3 years ago