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leonid [27]
3 years ago
6

Postulates can be used to prove theorems. True False

Mathematics
1 answer:
nikitadnepr [17]3 years ago
8 0
<span>No, because postulates are assumptions. Some true, some not. So it can't be used to prove it</span>
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4. Ms. Beltran buys songs from a music website. She buys 20 songs for $12.
Pachacha [2.7K]

Answer:$1.67

Step-by-step explanation:

Divide 20 and 12 to get 1.6666666 round the number and you get 1.67

3 0
3 years ago
Which expression is equivalent to 16 - 4x^2?
melamori03 [73]

Answer:

4(2 - x)(2 + x)

Step-by-step explanation:

16 - 4x² ← factor out 4 from each term

= 4(4 - x²) ← difference of 2 squares

= 4(2 - x)(2 + x) ← in factored form

8 0
2 years ago
What is the volume of the cylinder below?
Anestetic [448]

Volume = πr²h


3.14 * (18 : 2)² * 12 =

3.14 * 9² * 12 =

3.14 * 81 * 12 =

254.34 * 12 =


3052,08 mm³



7 0
3 years ago
Read 2 more answers
find the present value of an investment that is worth $19,513.75 after earning 3percent simple interest for 5.5 years
Dahasolnce [82]

Answer:

present value = $16750

Step-by-step explanation:

The simple interest formula allows us to calculate A, which is the final amount. According to this formula, the amount is given by A = P (1 + r*t), where P is the principal, r is the annual interest rate in decimal form, and t is the loan period expressed in years

simple interest formula:

t: time

P: present value

A: amount

r : anual interest

A = P (1 + r*t)

P = A / (1 + r*t)

P = 19,513.75 / (1 + 3/100 * 5.5)

P = 19,513.75/ (1 + 0.165)

P = 19,513.75 / 1.165

P = 16750

present value = $16750

5 0
3 years ago
Find two consecutive odd integers such that 65 more than the lesser is four times the greate
lyudmila [28]
Let the lesser number be x  and y the greater. Then

x + 65 = 4y ,  Also

y - x =  2
Adding:-

y + 65 = 4y + 2
63 = 3y
y = 21
and
x = 21-2 = 19

Answer the 2 odd numbers are 19 and 21.


8 0
3 years ago
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