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VMariaS [17]
2 years ago
15

HELP DUE IN 10 MINS! Solve for x in the parallelogram below: x=??

Mathematics
2 answers:
babymother [125]2 years ago
5 0

Answer:

  • 7

Step-by-step explanation:

<u>Opposite sides of a parallelogram are congruent:</u>

  • 2x + 10 = 4x - 4
  • 4x - 2x = 10 + 4
  • 2x = 14
  • x = 7
IRINA_888 [86]2 years ago
5 0

Answer:

\bf \huge \ \:7

Step-by-step explanation:

Opposite sides of a parallelogram are congruent,

  • 2x + 10 = 4x - 4
  • 4x - 2x = 10 + 4
  • 2x = 14
  • x = 7.

hope you helps you

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Tasya [4]

Answer:

20/7

Step-by-step explanation:

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3 years ago
You have a rack that can hold 30 CDs. You can fit 7 more CDs on the rack before the rack is full. How many CDs are in the rack?
uysha [10]
X = number of cds on the rack

x + 7 = 30
x = 30 - 7
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N-4=16 solve equation
gizmo_the_mogwai [7]

n - 4 = 16   Given

  + 4  + 4   Cancel out 4 to isolate n variable

n = 20

Prove.

20 - 4 = 16

16 = 16

True.

6 0
3 years ago
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The manager of a department store uses the given function to model the monthly opening inventory of down comforters at the store
tangare [24]

Answer: d(x)=-750x^2-3750x-10500


Step-by-step explanation:

Given: The manager of a department store uses the given function to model the monthly opening inventory of down comforters at the store, in dollars, where x represents the number of months from September.

d(x)=-750(x^2-5x-14)

To rewrite this hat reveals the store's opening inventory of down comforters in the month of September, multiply -750 on the bracket, we get

d(x)=-750x^2-3750x-10500

6 0
3 years ago
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g In the sample of 134 South Korean tourists, 57 of them were satisfied with their Jeju experience. In the sample of 150 other c
nasty-shy [4]

Answer:

The test statistic = -0.93

Step-by-step explanation:

The test statistic is given by the formula

z = (X₁ - X₂) ÷ √(σₓ₁² + σₓ₂²)

where X₁ = proportion of data of South Korean tourists = (57/134) = 0.425

X₂ = proportion of other country tourists = (72/150) = 0.48

σₓ₁ = standard error in data 1 = √[p(1-p)/n]

= √(0.425 × 0.575/134) = 0.0427

σₓ₂ = standard error in data 2 = √[p(1-p)/n]

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z = (X₁ - X₂) ÷ √(σₓ₁² + σₓ₂²)

z = (0.425 - 0.48) ÷ √(0.0427² + 0.0408²)

z = -0.055 ÷ 0.0590586996

z = -0.9313

Hope this Helps!!!

6 0
3 years ago
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