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labwork [276]
3 years ago
8

The perimeter of a triangle is 64'. If one side is x feet, the second side is 3x + 1 feet and the third

Mathematics
1 answer:
Dominik [7]3 years ago
4 0
One side is 9.
second side (3x+1) is 28.
third side (4x-9) is 27.
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in order to encourage students to show up early to a school dance , the dance comittee decides to charge less for those who come
nadya68 [22]
It would be $2.25 if each student pays one more penny than the last one the penny count would be up to 150 pennies times the number of student which is 150 so multiply and add your decimal
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3 years ago
The volume of a cylinder is 480pie cm3. The height of the cylinder is 30 cm. What is the radius of the
guajiro [1.7K]

Answer:

R = 4cm

Step-by-step explanation:

V = π(R)²h = 480π

Divide by π

(R)²h = 480

Substitute h with 30

30*(R)² = 480

Divide by 30

(R)² = 16

Square root

R = 4cm

We do not accept R= -4 because it's a length, so it must be positive.

7 0
2 years ago
Light bulbs manufactured at a certain factory have a 3% probability of being defective. What is the probability that 5 out of a
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There is a 3% chance of each light bulb being defective, and we only want 5 of them to be defective. The chance is then:

3\%^5*97\%^{25}

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5 0
3 years ago
What is 4615.50÷12.75
den301095 [7]

The answer is C - 362.

4 0
3 years ago
Read 2 more answers
Which of the following numbers is a Mersenne prime?<br> A: 90<br> B: 27 - 1<br> C: 211 - 1<br> D: 15
My name is Ann [436]

Answer:

  B:  2⁷-1 = 127

Step-by-step explanation:

A Mersenne prime is a prime of the form 2^n -1, where n is also a prime.

Among the answer choices, neither 90=2·3²·5 nor 15=3·5 is prime. Both 2⁷-1 = 127 and 2¹¹-1 = 2047 are of the right form, but 2047 = 23·89 is a composite number.

  2⁷-1 = 127 is a Mersenne prime

3 0
3 years ago
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