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shtirl [24]
3 years ago
14

An owner of a restraint wants to conduct a survey about possible menu changes. Give an example of a sampling method that would p

roduce a valid sample.
Mathematics
1 answer:
garri49 [273]3 years ago
8 0

Do you mean restaraunt?

  • Every 10th customer
  • Every 15th customer

Something like that. I hope this helps.

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Find the inverse of function f. f(x)=9x+7 A. B. C. D.
9966 [12]

Answer:

y = (x-7)/9

Step-by-step explanation:

y = 9x + 7

x = 9y + 7

x - 7 = 9y

y = (x-7)/9

8 0
3 years ago
What are these terms?
Kamila [148]

Answer:

1. Attribute

2. Variability

~DjMia~

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Hi can someone help me with this geo question please thanks
IrinaVladis [17]

Answer:

x = 24 , y = 19

Step-by-step explanation:

(2x + 13) and 47 + 3x are same- side interior angles and sum to 180° , so

2x + 13 + 47 + 3x = 180 , that is

5x + 60 = 180 ( subtract 60 from both sides )

5x = 120 ( divide both sides by 5 )

x = 24

Then 3x = 3 × 24 = 72

5y - 23 and 3x are corresponding angles and are congruent , then

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7 0
2 years ago
Find the degree measure of each angle in the triangle.
Alex777 [14]

Answer:

  • ∠R = 56°
  • ∠Q = 90°
  • ∠S = 34°

Step-by-step explanation:

The given triangle is a right angled triangle.

So, the angles in the triangle are :

  • 90°
  • (2x + 38)°
  • (5x - 11)°

Solving according to <u>angle sum property</u>,

Sum of all angles in a triangle is 180°

\longrightarrow 90° + (2x + 38)° + (5x - 11)° = 180°

\longrightarrow 117° + 7x = 180°

\longrightarrow 7x = 180° - 117°

\longrightarrow 7x = 63°

\longrightarrow x = 9

Angles =

\longrightarrow 2(9) + 38

\longrightarrow 56°

\longrightarrow 5(9) - 11

\longrightarrow 34°

  • ∠R = 56°
  • ∠Q = 90°
  • ∠S = 34°

The angles are 56°, 90° and 34°.

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2 years ago
How does using a model help me multiply decimals by whole numbers?
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Counting them it simple
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