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alekssr [168]
3 years ago
13

Lilibeth has a collection of Marbles. Her collection is 3 3/4 times that of Maria’s collection

Mathematics
2 answers:
IceJOKER [234]3 years ago
6 0

Answer:

1200

Step-by-step explanation:

15/4 × 320/1 = 4800/4

simplify

yawa3891 [41]3 years ago
4 0

Answer:

1200

Step-by-step explain

of =times

you times 320 by 3=960

then find 3/4 of 320=240

then add them both together

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A high school football pennant is in the shape of an isosceles triangle. The base is 18 inches long. The sides meet at an angle
Oksanka [162]

Answer:

The length of each side is 26.3 cm

Step-by-step explanation:

Opposite sides of an isoceles triangle are equal

The isoceles triangle is divided into 2 right-angled triangles so the length of one side can be calculated using trigonometric ratio

When the isoceles triangle is divided, the angle in the right-angled triangle is 20° (1/2 of 40°) and the base is 9cm (1/2 of 18 cm), the hypotenuse side is calculated using trigonometric ratio

Let the length of the hypotenuse side be y

9/y = sin 20°

y = 9/0.3420 = 26.3

Length of each side is 26.3 cm

3 0
3 years ago
Please help me, will mark brainliest for correct answers.....
Alexandra [31]

Answer:

1. B) 5.7

2. A) 12

3. A) 11.4

4. A) 5.7

5. A) 16.2

6. A) 11.2

7. No, they do not form a right triangle

8. Yes, they do form a right triangle

Step-by-step explanation:

Extra tip: The hypotenuse has to be less than both sides added together, but cannot be more than either of the sides alone.

1.

16² + b² = 17²

256 + b² = 289

256 - 256 + b² = 289 - 256

b² = 33

√b² = √33

b = 5.74 or 5.7

2.

16² + b² = 20²

256 + b² = 400

256 - 256 + b² = 400 - 256

b² = 144

√b² = √144

b = 12

3.

7² + 9² = c²

49 + 81 = c²

130 = c²

√130 = √c²

11.40 or 11.4 = c

4.

7² + b² = 9²

49 + b² = 81

49 - 49 + b² = 81 - 49

b² = 32

√b² = √32

b = 5.65 or 5.7

5.

a² + 5² = 17²

a² + 25 = 289

a² + 25 - 25 = 289 - 25

a² = 264

√a² = √264

a = 16.24 or 16.2

6.

10² + b² = 15²

100 + b² = 225

100 - 100 + b² = 225 - 100

b² = 125

√b² = √125

b = 11.18 or 11.2

7.

15² + 8² = 16²

225 + 64 = 256

289 ≠ 256

8.

5² + 12² = 13²

25 + 144 = 169

169 = 169

8 0
3 years ago
Pls pls pls help me I will give brainlist pls
Lena [83]

Answer:

  1. No
  2. yes
  3. yes
  4. yes
  5. No.
  6. yes
  7. No
  8. yes
  9. No.
  10. yes
  11. No
  12. No
  13. Yes
  14. Yes
  15. No

These are the answers according to serials.

6 0
3 years ago
Write10:15 pm in 24 hour time
Stels [109]
Your answer is 22:15
5 0
3 years ago
Joey is staking out a spot for a rectangular pen he is building for his new pig. He has three stakes already plotted on the coor
andreev551 [17]

Answer:2-6

Step-by-step explanation:

36

6 0
3 years ago
Read 2 more answers
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