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Gennadij [26K]
3 years ago
13

The

Mathematics
1 answer:
Yakvenalex [24]3 years ago
8 0
The median is nine (9). You add each number up, and then you divide by the amount of numbers you have. 
The mean is 9.83 according to my calculations. 
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Use the formula to evaluate the series 3+6+12+24+48+96
marysya [2.9K]
Multiplication by 2.
6 0
3 years ago
Read 2 more answers
A quadratic equation ax^2+bx+c=0 has -11 and 4 as solutions. Find the values of b and c if the value of a is 1 (hint, use zero f
Alina [70]

Answer:

b = 7, c = -44

Step-by-step explanation:

If the quadratic equation has the solutions -11 and 4, the two factors are:

(x+11)(x-4)=0

Since when we use the zero factor property we get

x+11=0 ⇒ x= -11

x-4=0 ⇒  x=4

Thus, we have used the zero factor property in reverse to find the factorization of the quadratic equation.

Now we develop the multiplications between parenthesis:

(x+11)(x-4)=0\\x^2-4x+11x-44=0\\x^2+7x-44=0

So b is the number that accompanies the x: b = 7

and c is the independent number: c = -44

3 0
3 years ago
parents volunteer to make the cones they are given a recipe the recipe calls for 61/2 cups of flour duyi has already added 23/4
frozen [14]
6 1/2 - 2 3/4 = 3 3/4
6.5 - 2.75= 3.75
6 0
3 years ago
Help please need it by tonight
inysia [295]

Answer:

1) (n+5)(n-1)

2) (n-4)(n+3)

3) (v-4)(v-1)

4) (p-4)(p+2)

5)(7x-10)(x+1)

6)(7n-1)(n-9)

Step-by-step explanation:

1) Factors of -5 that add up to 4

2) Factors of --12 that add up to -1

3) Factors of 4 that add up to -5

4) Factors of -5 that add up to 4

5) 7x^{2}-3x-10

    7x^{2}+7x-10x-10

   7x(x+1)-10(x+1)

   (7x-10)(x+1)

6)7n^{2}-64n+9

    7n^{2}-63n-n+9

     7n(n-9)-(n-9)

     (7n-1)(n-9)    

4 0
3 years ago
Find the product of (x – a) and (x - b).
yawa3891 [41]

(x−a)(x−b)

=(x+−a)(x+−b)

=(x)(x)+(x)(−b)+(−a)(x)+(−a)(−b)

=x2−bx−ax+ab

<h2><u><em>=ab−ax−bx+x2</em></u></h2>

6 0
3 years ago
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