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MariettaO [177]
3 years ago
7

laney pays $0.99 for each song she downloads from the internet. in total she paid $24.75 for songs from the internet. how many s

ongs did lane download​
Mathematics
1 answer:
dangina [55]3 years ago
6 0
Laney would have downloaded 25 songs
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Erik states that the two cones below have the same volume because of Cavalieri’s principle. 2 cones are shown. The first cone ha
castortr0y [4]

Answer:

D. No, the heights of the cones are not the same, so Cavalieri’s principle does not apply.

Step-by-step explanation:

Correct on Edge.

8 0
3 years ago
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Help me solve this question
irga5000 [103]
The correct answer is 1.

So, circle the 0 after the equals sign because the equation does not equal 0.

Anything raised by the power of 0 is 1.

This is known as the zero exponent rule :)
8 0
3 years ago
I need help please ..
koban [17]

A is 18

B is 162

C is 18

D is 162

4 0
3 years ago
Question 1(Multiple Choice Worth 3 points)
frez [133]

Answer: D) 99 Points

Step-by-step explanation: Theresa earned scores of 88 points, 84 points, 88 points, and 91 points on four tests

Therefore the totals points are 351

351 is her total score for 4 tests, if she gets an average score of 90 on her fifth test then all we have to do is:

5 x 90 = 450 (The 5 being her fifth test)

450-351 = 99

Option D

3 0
3 years ago
Can you help me to solve this​
Ber [7]

Answer:

\frac{4a-2}{2a+1}

Step-by-step explanation:

Factorise the numerator and denominator

8a² - 2 ← factor out 2 from each term

= 2(4a² - 1) ← 4a² - 1 is a difference of squares

= 2(2a - 1)(2a + 1)

4a² + 4a + 1 ← is a perfect square

= (2a + 1)²

Thus

\frac{8a^2-2}{4a^2+4a+1}

= \frac{2(2a-1)(2a+1)}{(2a+1)(2a+1)} ← cancel (2a + 1) on numerator/ denominator

= \frac{2(2a-1)}{2a+1}

= \frac{4a-2}{2a+1}

3 0
3 years ago
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