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diamong [38]
4 years ago
12

The difference between x and half of y

Mathematics
3 answers:
Nataliya [291]4 years ago
7 0
You could do y÷2-x to get x - half of y
Eva8 [605]4 years ago
5 0

For this case we have the following variables:

variable 1: x

variable 2: y

We must rewrite the given expression, in an algebraic way.

The given expression is:

The difference between x and half of y

Rewriting the expression algebraically we have:

x - \frac{y}{2}

Answer:

The difference between x and half of y algebraically is:

x - \frac{y}{2}

Eddi Din [679]4 years ago
3 0

For this case we have the following variables:

variable 1: x

variable 2: y

We must rewrite the given expression, in an algebraic way.

The given expression is:

The difference between x and half of y

Rewriting the expression algebraically we have:

x - \frac{y}{2}

Answer:

The difference between x and half of y algebraically is:

x - \frac{y}{2}

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The radius of the base of a cylinder is decreasing at a rate of 121212 kilometers per second. The height of the cylinder is fixe
WARRIOR [948]

Answer:

7536 km^3/sec

Step-by-step explanation:

Given that:

Rate of decreasing of radius = 12 km/sec

Height of cylinder is fixed at = 2.5 km

Radius of cylinder = 40 km

To find:

The rate of change of Volume of the cylinder?

Solution:

First of all, let us have a look at the formula for volume of a cylinder.

Volume = \pi r^2h

Where r is the radius and

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As per question statement:

r = 40 km (variable)

h = 2.5 (constant)

\dfrac{dV}{dt} = \dfrac{d}{dt}\pi r^2h

As \pi, h are constant:

\dfrac{dV}{dt} = \pi h\dfrac{d}{dt} r^2\\\Rightarrow \dfrac{dV}{dt} = \pi h\times 2 r\dfrac{dr}{dt} \\$Putting the values:$\\\Rigghtarrow\dfrac{dV}{dt} = 3.14 \times 2.5\times 2 \times 40\times 12 \\\Rigghtarrow\dfrac{dV}{dt} = 7536\ km^3/sec

4 0
3 years ago
A scale drawing of a building shows 1 inch = 8 feet. How many feet are represented by 3 ¾ inches on the drawing?
Gennadij [26K]

Answer:

30 feet is represented by 3 3/4 inches on the drawing

Step-by-step explanation:

We have the relation as;

1 inch = 8 feet

Thus;

3 3/4 inches = x feet

x = 3 3/4 * 8

x = 15/4 * 8

x = 30 feet

6 0
3 years ago
A town with a population of 600 is expected to grow at an annual rate of 5%. Write an equation and find the number of years it i
Ray Of Light [21]

Answer:

t = 8.31 years

Step-by-step explanation:

This is compound growth with a growth rate of 5%, initial count of 600 and final count of 900.

The appropriate equation is P  = Po (1 + 0.05)^t, where t represents the number of years required for the population to reach P:

900 = 600 (1.05)^t.  Let's solve this for t:

Dividing both sides by 600, we get 900/600 = 1.05^5, or

1.5 = 1.05^t.

To solve for t, take the log of both sides:

ln 1.5 = t*ln 1.05, or

t = (ln 1.5) / (ln 1.05)

This evaluates to t = 8.31 years.

7 0
3 years ago
How much does 6 go into 42
fgiga [73]

6 goes into 42 7 times.

3 0
3 years ago
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What is the negative square root of 1
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Step-by-step explanation:

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