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3 years ago

Why is 13/0 irrational plsssss help!!!!

Mathematics

1 answer:

Kobotan [32]3 years ago

6 0

Answer:

i think its because it is an odd number im in middle school so im not sure but let me know if this is right

Step-by-step explanation:

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Choose the equivalent expression. 0.6x -4.8 + 3x -1.2x + 8.4

Vera_Pavlovna [14]

Your answer is A=1.2(2x+3)

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3 years ago

Which choices are in the solution set of the equation below? Check all that

Alecsey [184]

To solve the equation, divide by 4 on both sides to isolate the variable:
4x = 30
4x/4 = 30/4
x = 7.5

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2 years ago

A trains leaves Cincinnati at 2:00 pm.A second train leaves the same station in the same direction at 4:00 pm.The second train t

kvasek [131]

Answer:

Speed of first train = 36 mph

Speed of second train = 60 mph

Step-by-step explanation:

Given:

First train leaves Cincinnati at 2:00 PM

Second train leaves same station at 4:00 PM

Speed of second train is 24 mph faster than first train.

The second train overtakes the first at 7:00 PM

To find the speeds of each train.

Solution:

First train:

Let speed of first train be = $x\ mph$

Time of travel between 2:00 PM to 7:00 PM = $7-2=5\ h$

Distance traveled by 1st train in 5 hours in miles = $Speed\times time = x\times 5 = 5x$

Second train:

Then, speed of second train will be = $(x+24)\ mph$

Time of travel between 4:00 PM to 7:00 PM = $7-4 = 3\ h$

Distance traveled by second train in 3 hours in miles = $Speed\times time = (x+24)\times 3=3x+72$

At 7:00 PM both trains meet as the second train overtakes the first. This means the distance traveled by both the trains is same at 7:00 PM as they both leave from same stations.

Thus, we have:

$5x=3x+72$

Solving for $x$

Subtracting both sides by $3x$

$5x-3x=3x-3x+72$

$2x=72$

Dividing both sides by 2.

$\frac{2x}{2}=\frac{72}{2}$

∴ $x=36$

Speed of first train = 36 mph

Speed of second train = $36+24=$ 60 mph

3 0

4 years ago

Describe the transformations necessary to transform f(x) into g(x)

Aleks [24]

Using translation concepts, the transformations are given as follows:

a) The function is horizontally compressed by a factor of 3 and shifted down one unit.

b) The function is shifted right 3 units and vertically stretched by a factor of 2.

<h3>What is a translation?</h3>

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

Item a:

The transformations are:

x -> 3x, hence the function is horizontally compressed by a factor of 3.

y -> y - 1, hence the function is shifted down one unit.

Item b:

The transformations are:

x -> x - 3, hence the function is shifted right 3 units.

y -> 2y, hence the function is vertically stretched by a factor of 2.

More can be learned about translation concepts at brainly.com/question/4521517

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2 years ago

F(x)=2x+1. If f(2)=___?<br> -5<br> -7<br> -3<br> -1

nikitadnepr [17]

$f(2) = 2(2) + 1 \\ f(2) = 4 + 1 \\ f(2) = 5$

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3 years ago