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Vika [28.1K]
3 years ago
5

Free points! What is 2/3 / (-5/6)?

Mathematics
2 answers:
harkovskaia [24]3 years ago
7 0

Answer:

-4/5

Step-by-step explanation:

2/3 / (-5/6) = 2/3*(-6/5) = -4/5

weeeeeb [17]3 years ago
5 0
2/3 ÷ (-5/6)

When dividing fractions, all you really have to do is multiply the first fraction by the second fraction's reciprocal.

Remember, a reciprocal is the fraction/whole number flipped.

Ex : 4/6 turns into 6/4

So, the reciprocal of -5/6 is -6/5

Therefore, our new equation looks like this :

2/3 × -6/5

Multiply the numerators with the numerators, and the denominators with the denominators :)

Numerators : 2 × -6 = -12

Denominators : 3 × 5 = 15

SO, our answer is -12/15

Simplify this.

-4/5

~Hope I helped!~
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A fair die is rolled in a board game to determine how many spaces a player can move on their turn. It has one of the numbers 1,2
Jet001 [13]

Answer:

(a)6 (b)3 (c)0.5

Step-by-step explanation:

Given a fair die with the numbers 1,2,3,4,5, or 6 on each of its faces.

  • Event A is the event of rolling an even number
  • Event B is the event of rolling an odd number.

(a)The sample space for the outcomes in this experiment is {1,2,3,4,5,6}

There are <u>6</u><u> </u>outcomes in the sample space.

n(S)=6

(b)

Event A is the event of rolling an even number

Sample space of A = {2,4,6}

There are <u>3</u> outcomes in event A.

n(A)=3

(c)The probability of event A

P(A)=\dfrac{n(A)}{n(S)} =\dfrac{3}{6} =0.5

P(A) =<u>0.5</u> is the probability that you choose an even number.

6 0
3 years ago
there are 112 male and 78 females working at the hospital. what percentage of the hospital workforce is female
Viefleur [7K]
78/190=41.05% are female
6 0
3 years ago
Read 2 more answers
Janeel has a 10-inch by 12-inch photograph. She wants to scan the photograph, then reduce the result
Vaselesa [24]

<u>Complete Question:</u>

Janeel has a 10 inch by 12 inch photograph. She wants to scan the photograph, then reduce the results by the same amount in each dimension to post on her Web site. Janeel wants the area of the image to be one eight of the original photograph. Write an equation to represent the area of the reduced image. Find the dimensions of the reduced image.

<u>Correct Answer:</u>

A) (10-x)(12-x)=15

B) Dimensions are : Length = 10-x = 3 inch , Breadth = 12-x = 5 inch

<u>Step-by-step explanation:</u>

a. Write an equation to represent the area of the reduced image.

Let the reduced dimensions is by x , So the new dimensions are

length=10-x\\breadth=12-x

According to question , Area of new image is :

⇒ Area = \frac{1}{8}Length(breadth)

⇒ Area = \frac{1}{8}(10)(12)

⇒ Area = 15

So the equation will be :

⇒ (10-x)(12-x)=15

b. Find the dimensions of the reduced image

Let's solve :  (10-x)(12-x)=15

⇒ 120-10x-12x+x^2=15

⇒ 120-22x+x^2=15

⇒ x^2-22x+105=0

By Quadratic formula :

⇒ x = \frac{-b \pm \sqrt{b^2-4ac} }{2a}

⇒ x = \frac{22 \pm8 }{2}

⇒ x = \frac{22 +8 }{2} , x = \frac{22 -8 }{2}

⇒ x = 15 , x =7

x = 15 is rejected ! as 15 > 10 ! Side can't be negative

⇒ x =7

Therefore, Dimensions are : Length = 10-x = 3 inch , Breadth = 12-x = 5 inch

5 0
3 years ago
Solve for x. x2 + 7x + 10 = 0
algol13
The answer is negative 80 or like this -80
6 0
3 years ago
Triangle
frez [133]

Answer: A.

Step-by-step explanation:

Equation: V=lwh

5 × 10 × 15 = 750 cubic cm

4 0
3 years ago
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