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Len [333]
3 years ago
12

How do I solve for this

Mathematics
1 answer:
Anon25 [30]3 years ago
7 0

Answer: for 90 degrees it will be 1

for 180 degrees it will be \sqrt{2}/2

Step-by-step explanation:

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Alanna is painting a border on a wall. The border consists of kite-shaped figures as shown. mc022-1.jpg Each kite measures 6 inc
Sedaia [141]

the question does not present the picture, but this does not interfere with the resolution


step 1

Find the area of a kite

we know that

area of a kite=(1/2)*[d1*d2]

where d1 and d2 are the diagonals

so 

area of a kite=(1/2)*[6*12]-----> 36 in²

<span>The wall is 12 feet across-----> convert to in-----> 12*12----> 144 in

step 2
find the number of kite to paint
divide across of the wall to across of a kite
144/6-----> 24 

step 3
find the n</span><span>umber of square inches of the wall to be covered with comets
</span>24*area of one kite-----> 24*36-----> 864 in²

the answer is 864 in²
<span>Note For this calculation, as there is no drawing we have assumed that the diagonal of the 6-inch kite is horizontal
</span>
case b) 
<span>If the diagonal of the 12-inch kite was horizontal, then the calculation would be
</span>step 2
find the number of kite to paint
divide across of the wall to across of a kite
144/12-----> 12

step 3
find the number of square inches of the wall to be covered with comets
12*area of one kite-----> 12*36-----> 432 in²

the answer would be 432 in²


5 0
4 years ago
Kim wants to estimate 5.494 + 1.108 by first rounding to the nearest hundredth. Find her mistake and correct it.
alexandr1967 [171]
Umm... not sure what her mistake is, but it should be 5.49+1.11=6.6
7 0
3 years ago
What is 3x3 – 11x2 – 26x + 30 divided by x – 5?
Slav-nsk [51]
 That comes out to 3x^2  + 4x - 6 Answer
8 0
3 years ago
Read 2 more answers
The cost of a 12.95 pizza was shared evenly by 5 friends. How much did each person pay?
DENIUS [597]
Your answer is 2.59$ yw
7 0
3 years ago
Read 2 more answers
Select the correct answer.
eimsori [14]

Answer:

A. x=3, y= -6

Step-by-step explanation:

x - 2y = 15

2x + 4y= -18

<em>Solving for x</em>

x-2y=15

<em>Subtract x from both sides</em>

-2y= -x+15

<em>Multiply both sides by -1</em>

2y=x-15

<em>Multiply both sides by 2</em>

4y=2x-30

2x+4y= -18

<em>Subtract 2x from both sides</em>

4y= -2x-18

<u>Combine equations:</u>

-2x-18=2x-30

<em>Add 2x to both sides</em>

-18=4x-30

<em>Add 30 to both sides</em>

12=4x

4x=12

<em>Divide both sides by 4</em>

x=3

Solving for y

x-2y=15

<em>Add 2y to both sides</em>

x=2y+15

<em>Multiply both sides by 2</em>

2x=4y+30

2x + 4y= -18

<em>Subtract 4y from both sides</em>

2x= -4y-18

<u>Combine equations:</u>

-4y-18=4y+30

<em>Add 4y to both sides</em>

-18=8y+30

<em>Subtract 30 from both sides</em>

8y= -48

<em>Divide both sides by 8</em>

y= -6

8 0
3 years ago
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