How many significant figures does the number 5280 FEET have? A) 2 B) 3 C) 4 D) 5

Answers

Answer 1

Answer:

Answer:

The correct answer is B.

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A student wants to construct the inscribed circle of a triangle. What is the first step he/she should take?a) Construct a circle using one of the vertices of the triangle
b) Construct the perpendicular bisector of each side of the triangle
c) Construct a line parallel to the vertex of the triangle
d) Construct the angle bisector of each angle in the triangle

Answers

The correct answer is:

d) Construct the angle bisector of each angle in the triangle

Explanation:

The incenter, or center of an inscribed circle, is the point where the angle bisectors of a triangle intersect. This means the first thing we will need to construct is the bisector of each angle of the triangle.

Answer:

construct the perpendicular bisector of each side of the triangle

Step-by-step explanation:

A person springs off a 12-foot high diving board with an initial velocity of 10 feet per second. How many seconds does it take the person to hit the water?

Answers

Answer:

1.2 seconds

Step-by-step explanation:

The height of the diving board above water is 12 feet.

The person dives with an initial velocity of 10 feet per second.

The time taken is gotten by dividing the height jumped by the velocity at which the person dived.

That is:

t = d / s

where d = height jumped = 12 ft

s = velocity = 10 ft/s

Therefore:

t = 12 / 10 = 1.2 seconds

It took the person 1.2 seconds to hit the water.

When Arjun makes hot cocoa, he adds 20 mL 20 mL20, start text, space, m, L, end text of chocolate syrup for every 3 33 ounces of hot water. Arjun's brother, Eli, adds 45 mL 45 mL45, start text, space, m, L, end text of chocolate syrup for every 6 66 ounces of hot water. Which hot cocoa is more chocolatey? Choose 1 answer: Choose 1 answer: (Choice A) A Arjun's hot cocoa (Choice B) B Eli's hot cocoa (Choice C) C The two cocoas are equally chocolatey.

Answers

Answer:

(Choice B) B Eli's hot cocoa

Step-by-step explanation:

Arjun makes hot cocoa, he adds 20 mL of chocolate syrup for every 3 ounces of hot water.

Ratio of chocolate syrup to hot water = 20 : 3

= 20 / 3

= 6.67

Eli adds 45 mL of chocolate syrup for every 6 ounces of hot water.

Ratio of chocolate syrup to hot water = 45 : 6

= 45 /6

= 7.5

The ratio of Eli's chocolatey hot cocoa is more than Arjun's chocolatey hot cocoa.

The correct answer is B Eli's hot cocoa

Answer: The answer is the B Eli's hot cocoa .

A pro football team has 36,000 season ticket holders. Then the team wins the championship and the number of season ticket holders increases by 9,000. What is the percent of change in season ticket holders?20%
25%
33.3%
75%

Answers

Given:
36,000 season ticket holders (base number)
9,000 increase in season ticket holders.

9,000 / 36,000 = 0.25
0.25 * 100% = 25%

The percentage change is an increase of 25%.

36,000 + 9,000 = 45,000 new number of season ticket holders.

How many multiples of 9 are there between 100 and 2,000?

Answers

first of all, find the first number more than 100 that can divided by 9, and it's 108 (we'll call it as 'a') then, find the number less than 2000 that can divided by 9, it's 1.998 (we'll call it as 'Un')

Un = a + (n-1).b
1998 = 108 + (n-1).9
1998 = 108 + 9n -9
1899 = 9n
211 = n

and the total is
Sn = n/2 (a+un)
s211 = 211/2 (108+1998)
= 222.183

Simplify 12^16/12^4.
12^12

12^4

1^12

1^4

Answers

Quotient property of exponents: $(a^x)/(a^y) = a^(x-y)$
Substitute in such that:
$a = 12, x = 16, y = 4$
$(12^(16))/(12^4) = 12^(16-4)$
$(12^(16))/(12^4) = \textbf{12}^\textbf{12}$

Answer:

Quotient property of exponents:

Substitute - such that:

Step-by-step explanation:

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Follow the directions to solve the system of equations by elimination.8x + 7y = 39 4x – 14y = –68

Containing the points (-1,2) and (5,-4)

You and your friends Jose and Sarah all live on the same street. You know that Jose lives five blocks from away from you. Jose says that Sarah lives two blocks from him, but he didn't say whether she lives closer to you than he does or further. Let b be the number of blocks Sarah might live from you