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evablogger [386]
4 years ago
7

A fruit basket contains seven apples, four bananas, and eight pears. If a piece of fruit is picked at random from the basket, wh

ich of the following is closest to the probability that it is not a banana?
1) 0.21
2) 0.68
3) 0.79
4) 0.32​
Mathematics
1 answer:
vekshin14 years ago
5 0

Answer:

1) 0.21

Step-by-step explanation:

This is because there are 4 bananas out of all 19 fruits. 4/19 is equal to 0.21052631578.

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The coordinates of O’ is (8,-2)
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Round $4.72955 to the nearest cent
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THe answer to this question is $4.7

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4 years ago
What is the multiplicative inverse of y?
Yanka [14]

Answer:

The multiplicative inverse of y is \frac{1}{y}.

Step-by-step explanation:

Multiplicative inverse implies a value that you would multiply with the given value so as to give 1.

Let the multiplicative inverse of y be represented by a, so that;

a x y = 1

ay = 1

divide both sides by y to have,

a = \frac{1}{y}

Thus, the multiplicative inverse of y is \frac{1}{y}.

This is applicable to any given value. Examples:

i. Given 2, the multiplicative inverse is \frac{1}{2}.

⇒ 2 x \frac{1}{2} = 1

ii. What is the multiplicative inverse of 5?

The required answer is \frac{1}{5}.

4 0
3 years ago
The force, F newtons, exerted by a magnet on a metal object is inversely "proportional to the square of the distance d cm."When
NeTakaya

A. The expression of F in terms of d is F = 200 / d²

B. The force when the distance is 10 cm is 2 N

C. The distance when the force is 8 N is 5 cm

D. When the distance, d is halved, the force F becomes four times the initial force

<h3>A. How to determine the expression </h3>

From the question given above,

F ∝ 1 / d²

F = K / d²

Cross multiply

K = Fd²

But

F = 50 N

d = 2 cm

Thus

K = Fd²

K = 50 × 2²

K = 200 Ncm²

Therefore, the expression is given as

F = K / d²

F = 200 / d²

<h3>B. How to determine F when d = 10</h3>
  • d = 10 cm
  • K = 200 Ncm²
  • F =?

F = K / d²

F = 200 / 10²

F = 2 N

<h3>C. How to determine d when F = 8 N</h3>
  • K = 200 Ncm²
  • F = 8 N
  • d = ?

F = K / d²

8 = 200 / d²

Cross multiply

8 × d² = 200

Divide both sides by 8

d² = 200 /8

d² = 25

Take the square root of both sides

d = √25

d = 5 cm

<h3>D. How to determine F when d is halved</h3>
  • Initial Force (F₁) = F
  • Initial distance (d₁) = d
  • Final distance (d₂) = 1/2 d = 0.5d
  • Final final (F₂) =?

K = Fd² = constant

Thus

F₁d₁² = F₂d₂²

F × d² = F₂ × (0.5d)²

F × d² = F₂ × 0.25d²

Divide both sides by 0.25d²

F₂ = (F × d² ) / 0.25d²

F₂ = F / 0.25

F₂ = 4F

Thus, when the distance is halved, the force will increase by a factor of 4

Learn more about variation:

brainly.com/question/14254277

#SPJ1

6 0
2 years ago
What is the perimeter of this figure? <br> 6x+6<br> 6x+10<br> 4x+6<br> 4x+8
ki77a [65]

Answer: 4x+8

Step-by-step explanation:

Okay since the area for the block is X, two numbers multiplied together is X.

Since the big block has an area of X^2, then this shows the sides to be X.

This gives the sides of the block with area X to be 1 and X.

Now just add up every side like this : 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + x + x + x + x to get 4x+8

8 0
3 years ago
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