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snow_tiger [21]
3 years ago
5

Which number is a factor of 15, but not a multiple of 3

Mathematics
2 answers:
Grace [21]3 years ago
4 0
1x15=15 there is nothing else
Crazy boy [7]3 years ago
3 0

We know that factors are numbers we can multiply together to get another number.

(1)(15) = 15

So 1 and 15 are factors of 15.

Also, (3)(5) = 15

So 3 and 5 are factors of 15.

We have got 1, 3, 5, 15 all are factors of 15.

Multiple is a number that can be divided by another number without a remainder.

So we know that 3 is a multiple of 3, as (1)(3) = 3 and also 15 is a multiple of 3, as (3)(5) = 15.

But 1 and 5 are not multiples of 3.

We have got the required answer.

1 and 5 are factors of 15 but not multiples of 3.

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Which values of x and y will make the expression 3(-2x - y)(2)
e-lub [12.9K]

Answer:

−18x −9y

Step-by-step explanation:

ik dis

5 0
3 years ago
Solve the system of equation 2x + y = -4 and 5x – 3y = 1 by the method of elimination​
Radda [10]

Step-by-step explanation:

first step while implementing the elimination method is to look at the numbers which can be multiplied to which in order to have like terms as solved below

as you can see in equation number 2 that the number three can be multiplied with equation 1 in order to have like terms so you can cancel them out

so , multiply 3 with the whole of equation 1

3( 2x + y = -4 )

= 6x + 3y = -12

( keep in mind the sign of the number)

5x -3 y = 1

now ,

we have

6x + 3y = -12

5x -3y = 1

as you can see that now we have like terms and when we add both these equations the like terms cancel out each other as they have opposite signs ( + - gives you - )

so , once you add the like terms this is what you will get

6x + 5x +3y-3y -12+1

= 11x + 0 - 11

then you can simplify this further for x first

11x = 11

x = 11/11

<u>x </u><u>=</u><u> </u><u>1</u>

now we have the value of x let's simply further for y

let's take equation 2

5(1) - 3y =1

5 -3y = 1

5-1 = 3y

4 = 3y

<u>4</u><u>/</u><u>3</u><u> </u><u>=</u><u> </u><u>y </u>

to confirm your values you can put these values in one of the two equations given initially , let's use equation two to check .

5x-3y = 1

( now let's place the values of x and y into the equation and see if our answer is 1 )

5 (1) - 3 (4/3)

= 5 - 4

= 1

it is correct

7 0
3 years ago
Please answer this math equation.
nasty-shy [4]

The interval where the function is nonlinear and decreasing is 0 < x < 4

<h3>How to determine the interval where the function is nonlinear and decreasing?</h3>

The straight lines on the graph are the intervals where the graph is linear

This means that the straight lines on the graph will not be considered

Considering the curve, the graph decrease from x = 0 to x = 4

This can be rewritten as:

0 < x < 4

Hence, the interval where the function is nonlinear and decreasing is 0 < x < 4

Read more about function intervals at:

brainly.com/question/13136492

#SPJ1

4 0
2 years ago
Need help asap!!! 48 points
Nady [450]

Answer:

b. i think

Step-by-step explanation:

7 0
3 years ago
PLS HELP
LiRa [457]
There is 3600 seconds per hour.
 Multiply the speed per second by 3600 to get the speed in miles per hour then convert to kilometer/hour.

4.9 * 3600 = 17,640 miles per hour

17,640 x 1.6 = 28,224 kilometers per hour

8 0
3 years ago
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