MATHEMATICS HIGH SCHOOL

A motorcycle travels 62 miles in twohours. At this rate, how many miles will
the motorcycle travel in 3 hours?

Answers

Answer 1
Answer:

Answer:

93

Step-by-step explanation:

62/2=31

31x3=93
Answer 2
Answer:

Answer:

93 miles

Step-by-step explanation:

62 miles/2 hours= 31 mph

31+62= 93 miles

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The area formed by a plane cutting through a solid perpendicular to its axis is aA.cross section
B.Longitudinal section
C.Cylindrical Section
D.Middle section

Answers

Answer:

cross section

Step-by-step explanation:

The area formed by a plane cutting through a solid perpendicular to its axis is a cross section.

A cross section area is the area obtained from a three dimensional object like sphere when it is sliced at any axis perpendicular at a point. For example cross section of a cylinder sliced parallel to its base is circle.

The mean sustained wind velocity, v, can be determined by the equation v = 6.3 StartRoot 1013 minus p EndRoot, where p is the air pressure, in millibars, at the center of the hurricane. What is the approximate air pressure at the center of a hurricane when the mean sustained wind velocity is 64 meters per second?

Answers

Answer:

909.8 millibars.

Step-by-step explanation:

The mean sustained velocity, v be determined by the equation:

v=6.3√(1013-p), where p is the air pressure, in millibars, at the center of the hurricane.

Given that: v=64 meters per second, we are to find the value of p.

64=6.3√(1013-p)\n$Square both sides to eliminate the square root sign\n(64)^2=(6.3√(1013-p))^2\n4096=39.69(1013-p)\n$Divide both sides by 39.69$\n(4096)/(39.69)=1013-p\n $Therefore:$\np=1013-(4096)/(39.69)\n\np=909.8$ millibars

The approximate air pressure at the center of a hurricane when the mean sustained wind velocity is 64 meters per second is 909.8 millibars.

Answer:

D

Step-by-step explanation:

Which of the following are the factors of t4 – 81?A. (t – 3)(t + 3)2
B. (t – 3)(t + 3)(t2 + 9)
C. (t2 – 9)(t2 – 9)
D. (t – 3)2(t + 3)2

Answers

t^4 - 81 =\n\n(t^2)^2 - (9)^2=\n\n(t^2 - 9)(t^2 + 9) =\n\n\boxed{\bf{ (t-3)(t+3)(t^2 + 9)}}

Your answer is B.
t^4 - 81 \n \n (t^2)^2 - 9^2 \n \n (t^2 + 9)(t^2 - 9) \n \n (t^2 + 9)(t^2 - 3^2) \n \n (t^2 + 9)(t + 3)(t - 3) \n \n

The final result is: B

How does -1 to the 6th power equal -1? shouldn't it be positive?

Answers

(-1)^6=1\n-1^6=-1

Can anyone help? i dont understand math :(

Answers

Answer:

Step-by-step explanation:

g(4)= (√25 - 4^2)/ 4 = (√25 - 16)/4 = √9/4 = 3/4

g(-3) = (√25 -(-3)^2)/-3 = (√(25-9)/-3 = (√(16)/-3 = -4/3

h(3) = 30(1.2)^3 = 51.84

h(0)= 30(1.2)^0 = 30(1) =30

Answer:

geogrpahy

Step-by-step explanation:

h = 37

Find the next two terms of the sequence: 80, ?40, 20, ?10, ______, ______. A) 20, 40 B) 1 2 , 1 4 C) 5, ? 5 2 Eliminate D) ?30, ?40

Answers

Answer:

5, 5/2

Step-by-step explanation:

80 becomes 40 if multiplied by 1/2; 40 becomes 20 if mult. by 1/2; and so on.

Thus, the common ratio of this geometric sequence is 1/2.

1/2 times 10 is 5;

1/2 times 5 is 5/2.

Looks like this is Answer C.  Please note:  your "5, 5 2" is not a correct representation of "5, 5/2."  Please use " / " to indicate division.
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