3 years ago

Find the percent of change when the price of a radio changes from $40.00 to $44.00.

Mathematics

1 answer:

HACTEHA [7]3 years ago

7 0

1) 10%
2)12%
3)20%
4)8%
5)50%

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lana [24]

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3 years ago

Which of the following number is a rational number?<br> a) 1/4<br> b) 4π<br> c) √3<br> d) √45

lawyer [7]

Answer:

1/4

Step-by-step explanation:

All fractions, both positive and negative, are rational numbers.

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3 years ago

Find the midpoint of (8, –9) and (0,5).

finlep [7]

Answer:

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4 years ago

Find the circumference of each circle. Use 3.14 or 22/7 for π. Round to the nearest tenth, if necessary.

zhuklara [117]

$c \: = \pi \: \times diameter \\ \: \: \: \: \: \: = \frac{22}{7} \times 20 \: inches \\ = \: 62.9 \: inches$

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2 years ago

What is the approximate volume of a basketball with the circumference of 42ft ?

Semmy [17]

We know that

[volume of a sphere]=(4/3)*pi*r³

length of a circumference=42 ft
[length of a circumference]=2*pi*r-------> r=[length of a circumference]/(2*pi)
r=[42]/(2*pi)---------> r=6.6845 ft

[volume of a sphere]=(4/3)*pi*6.6845³-----------> 1251.11 ft³

the answer is 1251.11 ft³

4 0

3 years ago