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matrenka [14]
3 years ago
9

Please help meeee! I will mark brainliest if right

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
6 0

Answer:

Fraction: x= 3/4 Decimal: x= 0.75

Paladinen [302]3 years ago
4 0

Answer:

x=

\frac{3}{4}

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What is the area of a circle with diameter 8cm? Round your answer to the nearest tenth. use pi= 3.14
hodyreva [135]

Answer:

50.2 square cm

Step-by-step explanation:

Diameter = 8 cm

Radius = 8/2 = 4 cm

area \: of \: circle = \pi {r}^{2}  \\  = 3.14 \times  {4}^{2}  \\  = 3.14 \times 16 \\  = 50.24 \:  {cm}^{2}  \\  = 50.2 \:  {cm}^{2}

7 0
3 years ago
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One month Yoko rented 3 movies and 5 video games for a total of $40. The next month she rented 9 movies and 7 video games for a
KATRIN_1 [288]

Answer:

  • movie: $3.75
  • video game: $5.75

Step-by-step explanation:

Two equations in two unknowns can be written:

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These can be solved a variety of ways. One of them is using Cramer's rule. It tells you the solution to

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  • dx +ey = f

is given by ...

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  • x = (bf -ec)/∆
  • y = (cd -fa)/∆

For the numbers above,

  • ∆ = 5·9 -7·3 = 24
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  • v = (40·9 -74·3)/24 = 138/24 = 5.75

The rental cost for each movie is $3.75; for each video game, it is $5.75.

___

The attached graph shows a graphing calculator solution to these equations.

5 0
3 years ago
How do you write 38,956 in expanded form?
Yuki888 [10]
38,956 in expanded form is (3 x 10,000)+(8 x 1,000)+(9 x 100)+(5 x 10)+(6 x 1).
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3 years ago
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There are 23 data points, so the 12th one is the median (middle). The median is 15.

The mean is 15.435 because it is the average. Add up all the ages, then divide by the number of people.



8 0
3 years ago
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