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3 years ago

Can anyone teach me on prime, odd and even numbers? I get confused sometimes

Mathematics

2 answers:

notsponge [240]3 years ago

8 0

Answer:

En matemáticas, un número primo es un número natural mayor que 1 que tiene únicamente dos divisores distintos: él mismo y el 1. Por el contrario, los números compuestos son los números naturales que tienen algún divisor natural aparte de sí mismos y del 1, y, por lo tanto, pueden

factorizarse .

Step-by-step explanat

Amanda [17]3 years ago

4 0

Answer:

Step-by-step explanation:

Prime numbers definition: A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only ways of writing it as a product, 1 × 5 or 5 × 1, involve 5 itself.

Odd numbers vs even numbers:

An integer is <u>even</u> if it is divisible by two and <u>odd</u> if it is not even. For example, 6 is <u>even</u> because there is no remainder when dividing it by 2. But, 3, 5, 7, 21 leave a remainder of 1 when divided by 2.

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A family has two cars. The first car has a fuel efficuency of 15 miles per gallon of gas and the second has a fuel efficiency of

SVEN [57.7K]

Answer:

x= 35 gallons consumed by 1st car

and y= 40 gallons consumed by 2nd car

Step-by-step explanation:

Fuel efficiency of 1st car = 15 miles per gallon

Fuel efficiency of 2nd car = 35 miles per gallon

Let x= gallons consumed by 1st car

and y= gallons consumed by 2nd car

Total gallons consumed by both cars = 75

so, we can write

x + y = 75

Miles covered by both cars = 1925 miles

and we know, Fuel efficiency of 1st car = 15 miles per gallon

Fuel efficiency of 2nd car = 35 miles per gallon

we can write the equation as

15 x + 35 y = 1925

where x and y are gallons consumed by 1st and 2nd car.

We have two equation now,

x + y = 75 (1)

15 x + 35 y = 1925 (2)

Multiplying eq(1) with 15 and subtracting eq (1) and 2

15 x + 15 y = 1125

15 x + 35 y = 1925

- - -

_______________

0 - 20 y = -800

y= -800 / -20

y = 40

Putting value of y in equation 1

x + y = 75

x + 40 = 75

x= 75 - 40

x = 35

x= 35 gallons consumed by 1st car

and y= 40 gallons consumed by 2nd car

4 0

3 years ago

Of the 81 people who answered "yes" to a question, 6 were male. of the 70 people that answered "no" to the question, 6 were male

Stells [14]

there is about a 4% chance that they answer yes and about an 8% chance they are male.

Yes probability- 6/151≈.039 which rounds to .4 or 4%

Male probability- 12/151≈.079 which rounds to .8 or 8%

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3 years ago

Write and solve and equation to find how many movies they have time to show.

GalinKa [24]

Answer:

Equation 0.5 + 1.75(x) = 4

x = 2movies

Step-by-step explanation:

Given that,

movie night will last for 4 hours

each movie take 1.75 hours

time for eating popcorn 0.5 hours

To find,

number of movies which can be watched

<h2>Equation</h2><h2>0.5 + 1.75(x) = 4</h2><h2>Solve for x</h2><h3>1.75(x) = 4 - 0.5</h3><h3>1.75(x) = 3.5</h3><h3>x = 3.5/1.75</h3><h3>x = 2 </h3>

So, total number of movies which could be watched in 4hr = 2

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3 years ago

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saul85 [17]

Answer:

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Step-by-step explanation:

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3 years ago

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Bojangles has a rectangle-shaped roof with a width of 6x^2 feet and a length 12x^3. What is the area of the roof?

emmainna [20.7K]

area of rectangle = length x width

this is the formula to find it.

now , put the values of length and width,

=> area= 12 x 3 x 6 x 2

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Hope this helps!

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3 years ago

Can anyone teach me on prime, odd and even numbers? I get confused sometimes​

Can anyone teach me on prime, odd and even numbers? I get confused sometimes