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REY [17]
3 years ago
13

A circle's radius is 25 inches.

Mathematics
2 answers:
Stella [2.4K]3 years ago
5 0

Answer:

C≈157.08in

Step-by-step explanation:

C=2πr=2·π·25≈157.07963in

Alina [70]3 years ago
5 0
2•pi•25
Answer: 157.1
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sergiy2304 [10]
For triangles, area is 1/2 base times height
8. Base 15 1/4 and height 18. Base and height can be flipped around to make the math easier, so 1/2(18)(15 1/4) = 9(15 1/4) = 9(61/4) = 549/4= 137 1/4 sq inches

9. Base 13 and height 11. Area = (1/2)(13)(11)= (13/2)(11) = 143/2 = 71 1/2 sq inches

10. Same thing again. Base = 30, height = 20, so area = (1/2)(30)(20) = 15(20) = 300 square km.

11. Base = 8, height = 5, so (1/2)(8)(5)= 4(5)= 20 square feet.

12. Base = 5, height = 3, so area = (1/2)(5)(3)= (5/2)(3)= 15/2; for 200 tiles we would take (15/2)(200)= 15(100) = 1500 square cm

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6 0
3 years ago
Monkey at the zoo eat 4 cups of food every day elephants eat 76 times as much which equation and solution represent the number o
alexandr1967 [171]

Answer:

X = 76*4

= 304 cups of food

Step-by-step explanation:

Given:

  • Monkey eat 4 cups of food / day
  • Elephants eat 76 times as much as Monkey does / day

So Let X is the number of cups of food that elephants eat per day, we have the equation:

X = 76*4

= 304 cups of food

Hope it will find you well.

4 0
3 years ago
Find A ∩ B if A = {2, 5, 8, 11, 14} and B = {1, 3, 5, 7}.
Gwar [14]

Answer:

<h2>{5}</h2>

Step-by-step explanation:

A=\{2,\ 5,\ 8,\ 11,\ 14\}\\\\B=\{1,\ 3,\ 5,\ 7\}\\\\A\ \cap\ B-\text{the intersection of two sets A and B,}\\\text{ is the set that contains all elements of A that also belong to B.}\\\\\text{Therefore:}\ A\ \cap\ B=\{5\}

8 0
3 years ago
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bogdanovich [222]

Answer:

x=179

Step-by-step explanation:

7 0
2 years ago
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Calculate the discriminant and use it to determine how many real-number roots the equation has.
lakkis [162]
Discriminant = sq root (-17^2 -4*3*10)
discriminant = sq root (289 -120)
discriminant = sq root (169)
The discriminant is positive so the equation will have 2 rational solutions.

4 0
3 years ago
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