Two numbers add to 251 and the second is 41 bigger then the first. what are the two numbers?

Answers

Answer 1

Answer: $\left\{\begin{array}{ccc}x+y=251\ny=x+41\end{array}\right\n\nsubstitute:\n\nx+x+41=251\n2x+41=251\ \ \ \ /-41\n2x=210\ \ \ /:2\nx=105\n\ny=105+41=146\n\nAnswer:105\ and\ 146.$

Answer 2

Answer:

146 dan 105

Further explanation

Given:

Two numbers add to 251 and the second is 41 bigger than the first.

Question:

What are the two numbers?

The Process:

Let the first number we call x, and the second number is y.

Two numbers add to 251, We arrange it as Equation-1:

$\boxed{ \ x + y = 251 \ }$

The second is 41 bigger than the first. We arrange it as Equation-2:

$\boxed{ \ x = y + 41 \ } \ or \ \boxed{ \ x - y = 41 \ }$

Let us solve the two equations above by eliminating the same variable. With the addition process, it appears that the variable y will be eliminated.

x + y = 251

x - y = 41

-------------- ( + )

2x = 292

Divide by two on both sides.

x = 146

The final step is to determine the variable y with the substitution of the value x into one of the two equations above. We choose Equation-1.

x = 146 → 146 + y = 251

y = 251 - 146

y = 105.

Thus, the two numbers are 146 and 105.

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The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. A cone is used to fill the cylinder with water. The radius of the cone's base is 5 centimeters, and its height is 10 centimeters.The number of times one needs to use the completely filled cone to completely fill the cylinder with water is.....

Answers

Answer:

24 times.

Step-by-step explanation:

Since, the volume of a cone,

$V=(1)/(3)\pi r^2 h$

While, the volume of a cylinder,

$V=\pi r^2 h$

Where, r = radius,

h = height,

Thus, the volume of the cone having radius 5 cm and height 10 cm,

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And, the volume of the cylinder having radius 10 cm, and 20 cm,

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Hence, the number of times we need to use cone to completely fill the cylinder = $(V_2)/(V_1)$

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Im like 90% sure that your answer should be 2.

0.0075Gm converted to km

Answers

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=0.0000000075km

A number increased by four is the same as 19 minus 2 times the number

Answers

From the information given, 4 added to the unknown number is equal to 2 times the unknown number when it is subtracted from 19.

Let the number be x

x + 4 = 19 - 2 (x)

We now expand and simplify the equation by placing unknown on one side and the known on the other side

x + 4 = 19 - 2x

x + 2x = 19 - 4

3x = 15

x = 15 /3

x = 5

6m+5-3m=7(m-1) help with equation.

Answers

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Answers

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