All categories

3 years ago

Hi guys, I really need your help for this simple maths question.

Mathematics

1 answer:

ale4655 [162]3 years ago

4 0

Answer is 100:60:40

5:3:2

60/3= 20

20x5= 100
20x2= 40

Ali:Ben:Carl
100:60:40= 200

You might be interested in

A retiree investment $6,000 in a saving plan that pays 4% per year what will the account balance be at the end of the first year

allsm [11]

Answer:

$6,240

Step-by-step explanation:

$6,000 x .04 = 240

$6,000 + 240 = $6,240

3 0

2 years ago

How do you describe the Steps to a written equation in to point slope form of the line that passes through the points (3,-2) and

AfilCa [17]

Find the equation of the line that passes through the points (3,-2) and (4,5).

5-(-2)=7/ 4-3=1

So the slope is 7. Now plugin 7 for "m" and use one of the two points for x and y

5=7(4)*b

5=28*b

5-28=b

-23=b

So y=7x-23

7 0

3 years ago

consider the equation is Y equals 1/square root of x and y=x-2. approximate solution of the system equations

emmasim [6.3K]

Answer:

$x=1$ and $x=4$

Step-by-step explanation:

We have the following system of equations:

$y=\sqrt{x}$ and $y=x-2$

To solve the problem, we need to equal the two equations:

$x-2=\sqrt{x}$ ⇒ $(x-2)^{2} =x$ ⇒ $x^{2} -4x + 4 = x$

⇒ $x^{2} -5x + 4 = 0$

So you need to find two numbers that added equal to 5 and multiplied equal to 4. These two numbers are $x=-1$ and $x=-4$ .

Then, the factorized form of the polynomial is: $(x-1)(x-4)$ .

The, the solution to the system of equations is: $x=1$ and $x=4$ .

5 0

3 years ago

Shaundra quiere triplicar el volumen de una pirámide cuadrada. ¿Qué debería hacer ella?

yaroslaw [1]

Answer:

Creo que la respuesta es el triple de la altura de la pirámide.

Step-by-step explanation:

3 0

3 years ago

The rectangular prism is to be sliced perpendicular to the shaded face and is to pass through point B, parallel to the front fac

kodGreya [7K]

The dimensions of the rectangular cross section will be 10 centimeters by 18 centimeters

Step-by-step explanation:

As ,we know

The rectangular cross section is parallel to the front face

Which clearly states that

The dimensions of the rectangular cross section is congruent with the dimensions of the front face

Lets assume that dimensions of the front face are 10 centimeters by 18 centimeters

Then ,The dimensions of the cross section will also be 10 centimeters by 18 centimeters

Hence we can say that the dimensions of the rectangular cross section will be 10 centimeters by 18 centimeters

4 0

3 years ago