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Nesterboy [21]
4 years ago
8

An escalator in a shopping centre from level 1 to level 2 is 22 m in length and has an angle of elevotion of 16 Deiermine how hi

gh level 2 is above level to one decima place.
Mathematics
1 answer:
liraira [26]4 years ago
7 0
Step by Step:

1. Draw a triangle with the measures given

2. use sin16 to find the side opposite angle 16

2. (Extended) Sin16=x/22

3. Multiply by 22 on both sides

4. Level 2 is 6.1 units above level 1
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Any whole number that can be represented in base 10 can also be represented in base 2, although it may take ____ digits.
Diano4ka-milaya [45]

Answer:

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Step-by-step explanation:

Any whole number that can be represented in base 10 can also be represented in base 2, although it may take more digits.

5 0
2 years ago
working together, shawn and hector can install a tile floor in 6 hours. it would take shawn 9 hours to do the job alone. what is
Vikki [24]
First, let x be the number of hours it will take for Hector to finish the same job alone. This means that every hour, Hector can do 1/x of the job. The amount of work done by Shawn and Hector in 6 hours should be equal to 1 complete work. This can be expressed as,
                      (1/9 + 1/x)(6) = 1
The value of x is 18. Thus, Hector can to 1/18 of the job in one hour. 
8 0
4 years ago
Read 2 more answers
I need help with this question, please
Xelga [282]

Answer:

10

Step-by-step explanation:

bh/2

b=5

h=4

=5×4/2

=20/2

=10

5 0
3 years ago
Please help will mark brainliest if correct
Annette [7]

Answer:

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Step-by-step explanation:

u fogot to send the pic

7 0
3 years ago
The equation of line CD is Y=3X -3. Write an equation of a line perpendicular to line CD in slope intercept form that contains p
OLga [1]
(I'm learning this right now!)

y = 3x - 3
If a line is perpendicular to another line, they have negative reciprocal slopes.
So you would use the slope -1/3.

Use y - y₁ = m(x - x₁) to get an equation in slope intercept form.
Plug the numbers in.

y - 1 = -1/3(x - 3)
y - 1 = -1/3x + 1
y = -1/3x + 2

An equation of a line perpendicular to line CD is y = -1/3x + 2.
8 0
3 years ago
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