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Talja [164]
2 years ago
6

Find the missing lengths of the sides.

Mathematics
1 answer:
Alik [6]2 years ago
5 0
It’s 12 because 45 45 90 triangle
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I need help with this
m_a_m_a [10]
Nearest 100: 543,800
Nearest 1,000: 544,800
Nearest 10,000: 540,800

6 0
3 years ago
Read 2 more answers
A. Incorrect; the student should add 8 + 2 to calculate the x-coordinate and should add 5 + 9 to calculate the y-coordinate. B.
likoan [24]

Answer:

A

Step-by-step explanation:

I think it’s a based on what you given

3 0
2 years ago
A furniture store is having a weekend sale and is offering a 20% discount on patio chairs and tables. The sales tax on furniture
dalvyx [7]
First, we subtract 20% of the amount from x, so the initial cost of the furniture should be 80% of x or 0.80x. Then, due to the sales taxs, this amount should be added with 6.25% of itself. Such that,
                                   A = 0.80x + 0.0625(0.80x)
                                       = 0.85x
4 0
3 years ago
Read 2 more answers
A flag staff is fixed at one corner of a rectangular room of side 20×10m.The angle of elevation on the top of the flag from oppo
Vedmedyk [2.9K]

Answer:

The height is 12.9m

Step-by-step explanation:

First we have to find the distance from the corner of the flag to the opposite corner, for this we will use Pythagoras

In a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides

h² = s1² + s2²

h² = 10² + 20²

h² = 100 + 400

h² = 500

h = √500

h = 22.36

Now that we know this measurement we can calculate the height of the flagpole

well to start we have to know the relationship between angles, legs and the hypotenuse

α = 30

a: adjacent  = 22.36

o: opposite  = ?

h: hypotenuse

sin α = o/h

cos α= a/h

tan α = o/a

we see that it has (angle, adjacent, opposite)

is the tangent

tan α = o/a

tan 30 = o/22.36

tan30 * 22.36 = o

12.9 = o

The height is 12.9m

7 0
3 years ago
Find AB I need help ASAP please
kykrilka [37]

Answer:

AB= 94

Step-by-step explanation:

43+43= 86

180-86= 94

6 0
3 years ago
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