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3 years ago

A number is chosen at random from 1 to 25. Find the probability of selecting an odd number or multiple of 5.

Mathematics

2 answers:

andreyandreev [35.5K]3 years ago

5 0

16\25 (my guess)
Because there is 13 odd numbers and 3 is a multiple of 5 so i added 13+3=16
16 out of 25 options

Sauron [17]3 years ago

4 0

Odd number probability: 13/25 Multiple of five probability: 4/25

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1) write a system on equations with the solution (2, -3). Work the problem out using the substitution method

solmaris [256]

The system of the equations that have the solution of (2, -3) are given below.

3x + 2y = 0 and 3y = 2x - 13

<h3>What is the linear system?</h3>

A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.

Write a system of equations with the solution (2, -3).

From a single point, an infinite number of lines pass through this point.

Let one line is passing through the origin. Then the equation of the line will be

$\rm y = \dfrac{-3}{2} (x)\\\\y = -1.5x$

And the other line is perpendicular to the line which is passing through the origin and a point (2, -3).

$\rm y = \dfrac{2}{3} x + c$

Then this line also passes through a point (2, -3). Then the value of c will be

$\rm -3 = \dfrac{2}{3} \times 2 + c\\\\c \ \ = -13$

Then the equation of the line will be

3y = 2x -13

More about the linear system link is given below.

brainly.com/question/20379472

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2 years ago

What are the solutions to the equation x2 + 4x - 5 = 0?

s344n2d4d5 [400]

2+2x-5=0? It’s x=3/2

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How can you get 3 1/2x alone on the left side of the equation 3 1/2x + 215 = 495? What is the resulting equation.

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Read 2 more answers

Homework help...Last question: Estimate the product of 15.217 × 9.54. Round each number to the nearest whole number.

neonofarm [45]

I rounded it to 150.

You could round 15.217 down to 15 and 9.54 up to 10 and then multiply 15 x 10 = 150. But you could also multiply 15.217 x 9.54 to get 145.17018 and round that up to 150 because any number that ends with 5 or higher rounds up.

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Graph this inequality: x≥ - 3 Plot points on the boundary line. Select the line to switch between solid and dotted. Select a reg

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It would look like this

when the sign has a line under it (>) the circle is closed and is a solid line. when there is no line under > its open and dotted.its -3 so you put the dot on -3. if x is greater than(in which this case it is)fill in the line greater than -3.

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3 years ago