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sergij07 [2.7K]
4 years ago
8

In right triangle HJK, angle J is a right angle and tan angle H = 1. Which Statement about triangle HJK MUST BE TRUE

Mathematics
1 answer:
Anna [14]4 years ago
4 0
Tan angle h=1 i think '
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2. Interpola:
Ludmilka [50]

the answer would be would be D

4 0
3 years ago
Suppose 60% of the graduating class in a certain high school goes on to college. If 126 students from this graduation class are
nikitadnepr [17]

Answer: 210

percent * base = amount

.6 * base = 126

base = 126/.6

x = 210

Step-by-step explanation:

5 0
3 years ago
It takes Jack Frost 5 minutes to fly 35 minutes with the wind. It takes him 7 minutes to go 35 minutes against the wind. Determi
dezoksy [38]

Answer:his speed in still air is 6 miles per minute.

the speed of the wind is 1 mile per minute.

Step-by-step explanation:

Let x represent his speed in still air.

Let y represent the speed of the wind.

It takes Jack Frost 5 minutes to fly 35 miles with the wind. This means that his total speed would be x + y

Distance = speed × time

It means that

35 = 5(x + y)

35 = 5x + 5y - - - - - - - - - - -1

It takes him 7 minutes to go 35 miles against the wind. This means that his total speed would be x - y

It means that

35 = 7(x - y)

35 = 7x - 7y - - - - - - - - - - -2

Multiplying equation 1 by 7 and equation 2 by 5, it becomes

245 = 35x + 35y

175 = 35x - 35y

Adding both equations, it becomes

420 = 70x

x = 420/70 = 6

Substituting x = 6 into equation 1, it becomes

35 = 5 × 6 + 5y

35 = 30 + 5y

5y = 35 - 30 = 5

y = 5/5 = 1

5 0
4 years ago
What is 2r - 6r 8 = 40?
Anit [1.1K]
Well first you have to add common like terms in this case 2r and -6r to get -4r now your equation is -4r+8=40, now subtract 8 from both sides to leave r by itself and get -4r=32, now divide both sides by -4 to get r=-8

Hope this helps
3 0
3 years ago
Read 2 more answers
Pat paid $85.50 for renting a scooter for 6 hours. What was the rate per hour for renting the scooter?
enyata [817]

Answer:

14.25

Step-by-step explanation:

85.50 devided by 6 = 14.25

5 0
3 years ago
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