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Vlad1618 [11]
2 years ago
14

The price of a pair of earrings is $22 but Priya buys them on sale for $13.20.

Mathematics
1 answer:
Vikentia [17]2 years ago
7 0

Answer:

40%

Step-by-step explanation:

Discount price = 22 - 13.20 = $8.80

Discount percentage = \frac{8.80}{22}*100\\

                     

                                   = 40%

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Given the volume is 105 inches³ for an 8 pound bowling ball, find the radius of the bowling ball,
mariarad [96]

Answer:

2.92

Step-by-step explanation:

V=\frac{4}{3}\pi r^3 \\ \\ 105=\frac{4}{3}\pi r^3 \\ \\ r^3=\frac{105}{\frac{4}{3}\pi} \\ \\ r=\sqrt[3]{\frac{105}{\frac{4}{3}\pi}}  \\ \\ r \approx 2.92

7 0
1 year ago
Four times the square of a non-zero number is equal to twelve times the number.
Whitepunk [10]
4x^2 = 12x
4x^2 - 12x = 0
4x(x - 3) = 0

4x = 0
x = 0...not this one

x - 3 = 0
x = 3 <== ur number
4 0
3 years ago
How do you do this question?
OLEGan [10]

Step-by-step explanation:

∫ dt / (cos²(t) ⁹√(1 + tan(t)))

If u = 1 + tan(t), then du = sec²(t) dt.

∫ du / ⁹√u

∫ u^(-1/9) du

9/8 u^(8/9) + C

9/8 (1 + tan(t))^(8/9) + C

7 0
3 years ago
The common ratio in a geometric series is 4 and the first term is 3.
kodGreya [7K]

Answer:

The sum of the first 8 terms in the series is 65535.

Step-by-step explanation:

We have,

The common ratio in a geometric series, r = 4

First term of GP is, a = 3

It is required to find the sum of the first 8 terms in the series. The sum of first n terms of a GP is given by :

S_n=\dfrac{a(r^n-1)}{r-1}, r>1

Here, n = 8

S_8=\dfrac{3\times ((4)^8-1)}{4-1}\\\\S_8=65535

So, the sum of the first 8 terms in the series is 65535.

3 0
2 years ago
One teacher wants to give each student 1 1/2 slices of pizza. If the teacher has 9 slices of pizza, then how many students will
Alecsey [184]

Answer:

6 students

Step-by-step explanation:

6 times 1.5 equals 9

8 0
3 years ago
Read 2 more answers
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