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Mandarinka [93]
2 years ago
7

Hep please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
valina [46]2 years ago
8 0

Answer: d=3

Step-by-step explanation:because if u plug it in that will be grater

inn [45]2 years ago
4 0

Hm, D would equal either 5 or 6.

You might be interested in
6
saw5 [17]

The above expression is not in its simplest form, and we need to simplify it, that is what asked in the question.

Given equation,

(9 {x}^{2}  - 3x + 7) + ( - 3 {x}^{2}  + 2)

First of all, let's open the parentheses to combine the like terms for simplifying.

9 {x}^{2}  - 3x + 7 - 3 {x}^{2}  + 2

Arranging the like terms, x² with x², x with x and constant terms near to each other.

9 {x}^{2}  - 3 {x}^{2}  - 3x + 7 + 2

Simplying further,

(9 - 3) {x}^{2}  - 3x + 9

6 {x}^{2}  - 3x + 9

So, the correct option is C

<u>━━━━━━━━━━━━━━━━━━━━</u>

8 0
3 years ago
SOMEBODY PLEASE HELP!!!!<br> GIVING 98 POINTS
marusya05 [52]
What is the question if it 98-49 than it would be 49
5 0
2 years ago
Read 2 more answers
If [infinity] cn8n n = 0 is convergent, can we conclude that each of the following series is convergent? (a) [infinity] cn(−3)n
pashok25 [27]

Answer:

a) we know that this is convergent.

b) we know that this might not converge.

Step-by-step explanation:

Given the \sum^\infty_{n=0}C_n8^n is convergent

Therefore,

(a)  \sum^\infty_{n=0}C_n(-3)^n The power series \sum C_nx^n has radius of convergence at least as big as 8. So we definitely know it converges for all x satisfying -8<x≤8. In particular for x = -3

∴ \sum^\infty_{n=0}C_n(-3)^n  is convergent.

(b) \sum^\infty_{n=0}C_n(-8)^n -8 could be right on the edge of the interval of convergence, and so might not converge

8 0
3 years ago
Joanna purchased four boxes of cookies for a party. Each box cost $3.28, including tax. PLEASE HELP!!! 100 POINTS!!! Which expre
Olegator [25]

Answer:

4 / ($3.28)   is the correct answer

Step-by-step explanation:

As cost of  one box is  $3.28

the cost of four boxes will be  4 divided by the cost of one box....so that why the  4/($3.28) is correct option

7 0
2 years ago
Miguel bought 2 1/4 pounds of hamburgers,1 1/5 pounds of sliced turkey ,and 2 pounds of cheese.what was the total weight of all
irinina [24]

the answer you are looking for is 5 9/20 pounds


sorry but it as to be twenty character

7 0
2 years ago
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