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2 years ago

The sales tax in your city is 8.8%, and an item costs $63.50. How much tax would you pay on that item?

Mathematics

1 answer:

Lilit [14]2 years ago

8 0

Step-by-step explanation:

63.5*0.088 =5.588 tax for your answer

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The point (3, 6) is on the graph of y= 5f(2(x+3))-4 . Find the original point on the graph of y=f(x).

Sonja [21]

Answer:

(12, 2) is the original point on the graph of $y=f(x)$ .

Step-by-step explanation:

Given:

$y= 5f(2(x+3))-4$ has a point (3, 6) on its graph.

To find:

Original point on graph $y=f(x)$ = ?.

Solution:

We are given that The point (3, 6) is on the graph of $y= 5f(2(x+3))-4$

If we put x = 3 and y = 6 in $y= 5f(2(x+3))-4$ , it will satisfy the equation.

Let us the put the values and observe:

$6= 5f(2(3+3))-4\\\Rightarrow 6= 5f(2(6))-4\\\Rightarrow 6= 5f(12)-4\\\Rightarrow 6+4=5f(12)\\\Rightarrow 5f(12)= 6+4\\\Rightarrow 5f(12)= 10\\\Rightarrow f(12)= \dfrac{10}{5}\\\Rightarrow f(12)= 2\\OR\\\Rightarrow 2=f(12)$

Now, let us compare the above with the following:

$y=f(x)$

we get y = 2 and x = 12

So, the original point on graph of $y=f(x)$ is (12, 2).

7 0

2 years ago

Identify whether each of the following expression is a quadratic expression in one variable. Give reason for your anwser

ladessa [460]

I believe anything that is squared (^2) is a quadratic. so a, b, e and f are quadratics. you could also check on desmos to see if they are parabolas (u shape).

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3 years ago

A triangle has side lengths of 23 in, 19 in, and 37 in

ArbitrLikvidat [17]

Formula is bh/2.
So, 23*19/2 = 218.5

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3 years ago

Kelly rows a boat at the rate of 7040 yards per hour. How fast did Kelly row in miles?

irakobra [83]

Answer:

4 mph

Step-by-step explanation:

yard → mile = divide the length value by 1760

7040 / 1760 = 4 miles per hour

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3 years ago

Stella can type 150 words in 5 minutes. What is her rate per minute?

enot [183]

Answer: Stellas rate per minute is 30 words per minute

Step-by-step explanation:

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3 years ago