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rjkz [21]
3 years ago
9

The sales tax on a surfboard is $12. What is the percent of sales tax if it is $240

Mathematics
2 answers:
iVinArrow [24]3 years ago
8 0
Find 1% of 240 which is 2.4. Then times 2.4 by 5 and you get 12. Therefore 5% is the answer
Mazyrski [523]3 years ago
3 0

Answer: Percentage of sales tax will be 5%.

Step-by-step explanation:

Since we have given that

Original amount of a surfboard = $240

Sales tax on a surfboard = $12

So, Percentage of sales tax will be

\frac{Sales\ tax}{Original\ price}\times 100\\\\=\frac{12}{24}\times 100\\\\=\frac{1}{2}\times 100\\\\=\frac{100}{2}\\\\=5\%

Hence, Percentage of sales tax will be 5%.

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Which of the following is a proportion?
poizon [28]

Answer:

Option C, 14/21=9/21 is the proportion.

Step-by-step explanation:

Given:

a.5/7 = 10/12

b.9/15 = 12/18

c.4/6 = 8/12

d.14/21 = 9/12

We have to find the proportions.

In proportion two ratios are equal, as it has an equality sign in between so both side must be of same ratio in its simplest form.

Let's work with option C

⇒ \frac{4}{6}=\frac{8}{12}

To find the simplest form we have to divide the numerator and denominator with same digit (or its factor).

Simplest form of  \frac{8/2}{12/2} = \frac{4}{6} , \frac{4/2}{6/2}= \frac{2}{3}

Simplest form of \frac{4}{6} = \frac{2}{3}

Both sides in option C have equal ratios of 2/3.

So 4/6=8/12 is in proportion.

6 0
3 years ago
Three functions are given below: f(x), g(x), and h(x).
Rzqust [24]

Answer: The axis of symmetry is x=1.

Explanation:

The given function is,

g(x)=5x^2-10x+7

The degree of the equation is 2.  SInce it is a quadratic function therefore the graph of the function is a parabola.

The axis of symmetry of a parabolic function f(x)=ax^2+bx+c is a vertical line,

x=-\frac{b}{2a}

Since the value of a is 5m b is -10 and c is 7, So the axis of symmetry is,

x=-\frac{(-10)}{2(5)}

x=\frac{10}{10}

x=1

Therefore, the axis of symmetry is x=1.

5 0
3 years ago
A pair of headphones is on sale for 15% off. What percent of the regular price is the sale price? Explain your thinking.
Elina [12.6K]

Answer:

85%

Step-by-step explanation:

Generally, you pay 100% of the total cost. However, you get 15% off. This means that all you have to do is 100-15 to get 85.

6 0
3 years ago
If you roll a fair die two times, what is the probability of rolling an odd number then rolling a 6 on the same die?
pshichka [43]

Answer:

Step-by-step explanation:

Explanation: The probability of rolling a 2 on a 6-sided dice is 16 . The probability of rolling two 2s on two 6-sided die is, by the multiplication principle, 16×16=136 .

7 0
3 years ago
Read 2 more answers
If it takes 100 g of sugar to make five cupcakes how many grams of sugar let me take to make 15 cupcakes
marissa [1.9K]

Answer:

300 g of sugar

Step-by-step explanation:

15 divided by 5 is 3 so 3 x 100 is 300. Hope this helps! :)

5 0
3 years ago
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