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Slav-nsk [51]
2 years ago
8

This figure represents a design being added to a pillow. Mona wants to add this design in a floral fabric 15 times to add intere

st to the plain pillow.
What is the area of the pillow that will be floral fabric?


30 cm²

35 cm²

450 cm²

525 cm²

Mathematics
2 answers:
juin [17]2 years ago
8 0

Answer:

525 cm2 is the correct answer

Step-by-step explanation:

gizmo_the_mogwai [7]2 years ago
4 0

Answer:

33

Step-by-step explanation:

You might be interested in
6.<br> Write in exponential form: log(3)81 = 4
earnstyle [38]

Answer:

81 =  {3}^{4}

Step-by-step explanation:

log_{3}(81)  = 4 \\  \\ 81 =  {3}^{4}

4 0
3 years ago
12men or 18women can reap a field in 14 day ,8man and 16women can reap the same field in​
melisa1 [442]

Answer:

Step-by-step explanation:

12 men and 18 women: x1; 14 days; y1

8 men and 16 women: x2; ?; y2

12/18 simplified is equal to 2/3

8/16 simplified is equal to 1/2

This is a direct proportion, thus we can say that:

(1/2*14)/(2/3)=y2

7/(2/3)=10.5 days

I hope this helped you get out of homework trouble :D

OwO

5 0
2 years ago
Help please! Calculate the exact value of cos (a-b) given that sin a= 12/13 with pi/2
zloy xaker [14]

Answer:

56/65

Step-by-step explanation:

First, we know that cos(a-b) = cos(a)cos(b) + sin(a)sin(b)

We know what sin(a) and sin(b) are, and to get cos(a), we can take the equation sin²a + cos²a = 1

Thus,

(12/13)² + cos²a = 1

1 - (12/13)² = cos²a

1- 144/169 = cos²a

cos²a = 25/169

cos(a) = 5/13

Similarly,

(3/5)² + cos²b = 1

1 - (3/5)² = cos²b

1 - 9/25 = cos²b

cos²b = 16/25

cos(b) = 4/5

Our answer is

cos(a-b) = cos(a)cos(b) + sin(a)sin(b)

cos(a-b)  = (5/13)(4/5) + (12/13)(3/5)

cos(a-b)  = 20/65 + 36/65

cos(a-b)  = 56/65

4 0
2 years ago
8. The ratio of the number of model
disa [49]

Answer:

48

Step-by-step explanation:

36 divided by 3 times 4.

7 0
3 years ago
Work out the size of angle<br> X.<br> X Х<br> 33°<br> 20°<br> 165°
vitfil [10]

Answer:

142 degrees

Step-by-step explanation:

The sum of angle in a quadrilateral is 360 degrees

33 + 20 + 165 + X =360

53 + 165 + X = 360

218 + X = 360

X = 360 - 218

X = 142

Hence the size of angle X is 142 degrees

5 0
2 years ago
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