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KonstantinChe [14]
3 years ago
12

Add or subtract the following mixed numbers using the first method. Be sure your answers are in mixed number format and reduced

to lowest terms. 3 3/8 + 2 1/6 =
Mathematics
1 answer:
Paraphin [41]3 years ago
5 0
We have the number here are 3 3/8 and 2 1/6
by using the first method,
multiplying 3/8 with 3/3 and 1/6 with 4/4 we get 9/24 and 4/24 so,
3 9/24 + 2 4/24 = (3+2) and (9/24 + 4/24)
when adding 3 and 2 we get 5 and adding 9/24 and 4/24 we get 13/24
so the answer is 5 and 13/24
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13 - r &lt; 82<br><br><br><br><br> PLA I NEED THIS
maria [59]

Answer:

r > -69

Step-by-step explanation:

13 - r < 82

subtract 13 from both sides

13 - r - 13 < 82 - 13

- r < 69

to flip the inequality sign, multiply both side by -1 to make r positive:

- r (-1) < 69 (-1)

r > -69

5 0
2 years ago
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There are 45 questions on your math exam. You answered 810810 of them correctly. How many questions did you answer correctly?
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4 years ago
HELP!Please solve! this!!
Angelina_Jolie [31]

Answer:

Recursive formula for geometric sequence

a_{n}=a_{n-1}\times r

is a_{n}=a_{n-1}\times 6

and explicit formula for geometric sequence a_{n}=a_{1}^{r-1} is

a_{n}=(\frac{1}{2})^{6-1}

Step-by-step explanation:

Given sequence is \frac{1}{2},3,18,108,648,...

To find the recursive and explicit formula for this sequence:

Let a_{1}=\frac{1}{2},a_{2}=3,a_{3}=18,a_{4}=108,a_{5}=648,...

To find the common ratio r:

r=\frac{a_{2}}{a_{1}}

=\frac{3}{\frac{1}{2}}

=3\times 2

=6

Therefore r=6

r=\frac{a_{3}}{a_{2}}

=\frac{18}{3}

=6

Therefore r=6

Therefore the common ration r=6

Therefore the given sequence is geometric sequence

Recursive formula for geometric sequence is a_{n}=a_{n-1}\times r

a_{n}=a_{n-1}\times 6

and explicit formula is a_{n}=a_{1}^{r-1}

a_{n}=(\frac{1}{2})^{6-1}

=(\frac{1}{2})^{5}

=\frac{1}{32}

Therefore a_{n}=\frac{1}{32}

8 0
3 years ago
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Volume of 7/2, 7/5, and 5
FinnZ [79.3K]

Answer:

7/2.7/5.5 = 140

297

≅ 0.4713805

Step-by-step explanation:

Divide: 7 / 2.7 = 7

1

· 10

27

= 7 · 10

1 · 27

= 70

27

To divide one fraction by another, invert (turn upside-down) the second fraction, then multiply.

Conversion a decimal number to a fraction: 5.5 = 55

10

= 11

2

Divide: 70

27

: 5.5 = 70

27

· 2

11

= 70 · 2

27 · 11

= 140

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To divide one fraction by another, invert (turn upside-down) the second fraction, then multiply.

8 0
4 years ago
What are the solutions of 12 – x2 = 0? x = 2 StartRoot 3 EndRoot and x = Negative 2 StartRoot 3 EndRoot x = 3 StartRoot 2 EndRoo
krok68 [10]

Answer:

±2  sqrt(3) = x

Step-by-step explanation:

12 -x^2 =0

Add x^2 to each side

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Take the square root of each side

±sqrt(12) = sqrt(x^2)

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±sqrt(4*3) = sqrt(x^2)

±sqrt(4) * sqrt(3) = x

±2  sqrt(3) = x

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