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3 years ago

An ant travels at speed of 3 inches per second. How many feet will the ant travel in 2 hours?

Mathematics

2 answers:

GarryVolchara [31]3 years ago

6 0

64,800 inches in 2 hours I think

natali 33 [55]3 years ago

3 0

There is 7200 seconds in an hour so multiply 3 x 7200 you get, 21,600 inches.

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What is the distance from the origin (0,0) to the point (34,-78)

pantera1 [17]

Given coordinates (0,0) and (34,-78).

$\mathrm{Compute\:the\:distance\:between\:}\left(x_1,\:y_1\right),\:\left(x_2,\:y_2\right):\quad \sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}$

$We \ have\ x_1=0, x_2=34, y_1=0 \ and \ y_2=-78.$

$\mathrm{The\:distance\:between\:}\left(0,\:0\right)\mathrm{\:and\:}\left(34,\:-78\right)\mathrm{\:is\:}$

$=\sqrt{\left(34-0\right)^2+\left(-78-0\right)^2}$

$=2\sqrt{1810}$

Distance = 2(42.544) ≈ 85.09.

Therefore, distance from the origin (0,0) to the point (34,-78) is $2\sqrt{1810} \ or$ 85.09 units.

3 0

3 years ago

The Census Bureau reports that 82% of Americans over the age of 25 are high school graduates. A survey of randomly selected resi

mihalych1998 [28]

Answer:

Mean = 910.2

Standard deviation = 12.8

Step-by-step explanation:

82% over the age of 25 are high school graduates.

A survey randomly selected students of certain country included 1110 who were over the age of 25 and 871 of them were high school.

n = 1110

p = 82% = 0.82

q = 1 - 0. 82

q = 0.18

Mean = np

= 1110*0.82

= 910.2

Standard deviation = √npq

= √ 1110*0.82*0.18

=√163.836

= 12.8

6 0

3 years ago

What’s the Area of the kite?

maria [59]

Answer:

54 m^2

Step-by-step explanation:

Area of a kite is the two diagonals multiplied and then divided by 2.

3+3=6

12+6=18

18(6)=108

108/2=54

Therefore, 54 m^2

I hope this helped and have a good rest of your day!

5 0

3 years ago

Which is a true conclusion based on the Venn diagram? If a number is prime, it is also odd. If a number is odd, it is also prime

krek1111 [17]

Answer:

If a number is prime, it may or may not be odd.

Step-by-step explanation:

The prime numbers are all natural numbers greater than 1, which are only divisible between themselves and between 1. For example: 2, 3, 5, 7, 11 ...

A Venn diagram is shown in the attached figure

There you can see that not all even numbers are primes for example, 4 is an even number, but it is not a prime number. Then, not all odd numbers are prime numbers, for example 9 is an odd number, but it is not a prime number.

Neither all prime numbers are odd, for example the number 2 is a prime number and it is not odd.

Notice in the attached Venn diagram that the set of prime numbers contains even numbers and also odd numbers.

Therefore, the correct statement is the last option:

If a number is prime, it may or may not be odd.

7 0

3 years ago

A ABC is isosceles. Find AC. B 3x + 3 20 + 8 A A C

Sunny_sXe [5.5K]

Ansfdfgh gggghjtyuhjrswzargfyf

Step-by-step explanation:

4 0

3 years ago