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Leya [2.2K]
3 years ago
13

The manager of a dress shop recorded the number of dresses sold during the week the data is as follows

Mathematics
1 answer:
Rashid [163]3 years ago
5 0
2.6925 is the mean/ avg you add all the numbers and divide by the amount of numbers you added
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Artyom0805 [142]

Answer:

depending on which triangle

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2 years ago
A card is drawn at random from a well-shuffled deck of 52 cards. what is the probability of drawing a face card or a spade?​
Yuliya22 [10]

Answer:

2/5 or 2:5

Step-by-step explanation:

Face Card:

The face cards in a deck are the Jack, Queen, and King. There are 4 of each card (1 in each suit), for a total of 12 face cards.

Spade:

1/4 of all the cards in a deck are spades, so 52/4= 13 spades.

When added, the numerator of the probability is 25, however, because the Jack, Queen, and King of Spades are duplicated, we have to subtract 3.

25-3=22

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when simplified: 2/5

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3 years ago
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LekaFEV [45]

Answer:

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  • GCF: 1
  • Factoring Trinomials: 4
  • Difference of Squares: 2
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Step-by-step explanation:

1. Each term has an even coefficient, so a factor of 2 can be removed:

  2(3x^2 +7x -15)

The remaining quadratic factor is prime.

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2. Each of these two terms is a square, so this is the difference of two squares.

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3. This cubic has one irrational negative real root. It is prime.

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4. This trinomial factors in the usual way: (x +15)(x -2). It is factored by "factoring trinomials."

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5. The magnitude of the x-coefficient is double the square root of the (positive) constant, so this is a perfect square trinomial.

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3 years ago
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Answer:

Option D. 1,353\ ft

Step-by-step explanation:

we have

d=\frac{5}{6}\sqrt{h}

solve for h

squared both sides

d^{2}=\frac{25}{36}h

h=\frac{36}{25}d^{2}

substitute the value of d

h=\frac{36}{25}(30.65^{2})=1,353\ ft

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3 years ago
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Find the exterior angle for each
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Step-by-step explanation:

In all cases just divide 360° by the number of sides

Thus,for a. 360°/12=30°

7 0
2 years ago
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