All categories

4 years ago

The weight of mr nazeer is 7 times that of his son. What's the ratio of their weights?

Mathematics

1 answer:

Mekhanik [1.2K]4 years ago

3 0

Answer:

Step-by-step explanation:

Let the weight of mr nazeer be x

Let the weight of his son be y

If the weight of mr nazeer is 7 times that of his son, then x = 7y

To get the ratio of their weight:

Ratio = weight of father/weight of son

Ratio = 7y/y

Ratio = 7/1

Ratio = 7:1

Hence the ratio of their weights is 7:1

You might be interested in

The sum of three consecutive even integers is -78. What is the smallest integer? Show all working outs (5)

svet-max [94.6K]

Answer:

The smallest integer is -27 and the integers are -27, -26, and -25

Step-by-step explanation:

We can represent this with:

x + x - 1 + x - 2 = -78

Simplify.

3x - 3 = -78

Add 3 to both sides.

3x = -75

Divide both sides by 3.

x = -25

So, the first integer is -25.

Subtract two to get the smallest integer.

-25 - 2 = - 27

3 0

3 years ago

On hot, sunny, summer days, Jane rents inner tubes by the river that runs through her town. Based on her past experience, she ha

Sveta_85 [38]

Answer:

a. P(X=50)= 0.36

b. P(X≤75) = 0.9

c. P(X>50)= 0.48

d. P(X<100) = 0.9

Step-by-step explanation:

The given data is

x 25 50 75 100 Total

P(x) 0.16 0.36 0.38 0.10 1.00

Where X is the variable and P(X) = probabililty of that variable.

From the above

a. P(X=50)= 0.36

We add the probabilities of the variable below and equal to 75

b. P(X≤75) = 0.16+ 0.36+ 0.38= 0.9

We find the probability of the variable greater than 50 and add it.

c. P(X>50)= 0.38+0.10= 0.48

It can be calculated in two ways. One is to subtract the probability of 100 from total probability of 1. And the other is to add the probabilities of all the variables less than 100 . Both would give the same answer.

d. P(X<100)= 1- P(X=100)= 1-0.1= 0.9

8 0

3 years ago

What is the soloution of x^2-1/x^2+5x+4<_0

JulijaS [17]

<span>You have the following inequality given in the problem shown above:

(x^2-1)/(x^2+5x+4)</span>≤<span>0

1. To solve it, you must factor it and then you must make the study of the signs.

2. Once you do the proccedure mentioned above, you obtain the following solutions:

-4<x<-1

-1<x</span>≤<span>1

3. You can graph the inaquality given in the problem, as you can see in the figure attached.</span>