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Viefleur [7K]
4 years ago
15

How do you write 15 more than half a number

Mathematics
2 answers:
stepladder [879]4 years ago
8 0
<span>half of the number is (1/2 N) 15 more than that is 1/2 N + 15
1/2 N + 15 =9
subtract 15 form each side: 1/2 N = -6
multiply each side by 2: N = -12


</span>
andrew11 [14]4 years ago
4 0
Let the unknown number be x.

15 more than half a number is: 
15 > 1/2x

The final answer is 15 > 1/2x (in which x is an unknown number)~
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Multiply all common factors of 9x^6, 15x^4,and 12x^2 to find the GCF.
lesantik [10]
First find common factor for parameters. I mean to find common factor number 9,15,12
first, write the divisors:
Divisors of 9:  1,3,9
divisors of 12:  1,2,3,4,6,12
divisors of 15: 1,2,3,5,15
so see, that GCF of 9,12,15 is 3.

Now, count GCF of x^2, x^4, x^6
GCF 2,4,6  is 2,  so the result is x^2 
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3 years ago
What is the value of 5 in 756? write and draw to explain how you know
Dennis_Churaev [7]
The value of 5 is 10 because it is in the tens place. If you draw a place value chart it shows that 5 is in the tens place. You could also draw it with 5 blocks with ten cubes.

Happy studying ^_^
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3 0
3 years ago
Read 2 more answers
You are Looking at two area rugs for your bedroom. One is a square with a side length of 6.3 feet the other is rectangle that is
Ray Of Light [21]

Answer:

Part a) The square rug cover the greater area

Part b) The square rug cover 0.33 square feet more than the rectangular rug

Step-by-step explanation:

step 1

Find the area of the square rug

The area of a square is

A=b^2

where

b is the length of the square

we have

b=6.3\ ft

substitute

A=(6.3)^2=39.69\ ft^2

step 2

Find the area of the rectangular rug

The area of the rectangle is

A=LW

we have

L=4.8\ ft\\W=8.2\ ft

substitute

A=4.8(8.2)=39.36\ ft^2

step 3

Compare the areas

39.69 > 39.36

so

The square rug cover the greater area

step 4

Find the difference

39.69-39.36=0.33\ ft^2

so

The square rug cover 0.33 square feet more than the rectangular rug

8 0
3 years ago
Solve the following system by graphing. If there​ isn't a unique solution to the​ system, state the reason. y=-2x y=2x+4
natka813 [3]

Answer:

We have the system of equations:

y = -2*x

y = 2*x + 4.

To solve it by graphing, you need to graph both lines and see in which point the lines intersect each other.

You can see it in the image below. (blue is y = 2*x + 4, and green is y = -2*x)

We also can calculate the solution with math, let's do that:

y = -2*x

y = 2*x + 4.

We can replace the first equation in the second one, to get:

-2*x = 2*x + 4

Now let's solve this for x

-2*x -2*x = 4

-4*x = 4

x = 4/-4 = -1

Evaluating this in one of the equations we get:

y = -2*-1 = 2

Then the solution is the point (-1, 2), exactly what we can see in the graph.

3 0
3 years ago
Please help &lt; &lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;33333333 TYY<br> -20 -8 + (-12)
Montano1993 [528]

Answer:

-30

Step-by-step explanation:

-20-8=-28

-28-12

=-30

5 0
2 years ago
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