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arsen [322]
2 years ago
8

Please help me solve this problem​

Mathematics
1 answer:
Stella [2.4K]2 years ago
8 0

Answer:

  • See below

Step-by-step explanation:

<u>Since all graphs pass throught the origin, they all have the form of:</u>

  • y = ax², where a- coefficient

The coefficient of each graph's equation can be calculated based on the given pairs of points.

Each of them calculated for you and attached below.

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(b) Write the ratio 12:30 in the form 1:n
kari74 [83]

answer:

1 : 2.5

explanation:

given ratio: 12 : 30

divide by 12:

  • \frac{12}{12} : \frac{30}{12}
  • 1 : 2.5

n = 2.5

4 0
2 years ago
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Use the properties of geometric series to find the sum of the series. for what values of the variable does the series converge t
Oksi-84 [34.3K]

Answer:

- The sum of the series is given as

7/(1 + 7z)

- The series converges for (-1/7, 1/7)

Step-by-step explanation:

Given the geometric series:

7 - 14z + 28z² - 56z³ + ...

The common ratio r is given as

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r = -7z

The sum of the series is given as

S = a/(1 - r)

Where a is the first term in the series.

S = 7/(1 -(-7z))

= 7/(1 + 7z)

The series converges for |-7z| < 1

That is for -1/7 < z < 1/7

7 0
3 years ago
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The temperature was -12 degrees in the morning and rose to a high of 27 degrees for the day
leonid [27]
We went from -12 degrees to 27 degrees.

27 - (-12) = 27 + 12 = 39
5 0
3 years ago
Aisha is buying corn seed packs sold in boxes of 100. She has 400 packs, but she needs a total of 600
devlian [24]
That means she need to buy 2 packs of 100.
3 0
3 years ago
Sylvia, John, and Peter invested their savings in a bank. The ratio of the investment of Sylvia's to John's is 1: 3 and that of
Nastasia [14]

Answer:

4 : 12 : 15

Step-by-step explanation:

S : J = 1 : 3

J : P= 4 : 5

Using John's ratio to find a common ratio for all

S : J

(1 : 3)4 = 4 : 12

J : P

(4 : 5)3 = 12 : 15

Therefore our ratio is

S : J : P

4 : 12 : 15

3 0
3 years ago
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