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Vanyuwa [196]
3 years ago
9

Which of the following is the correct factorization of this trinomial?

Mathematics
1 answer:
bazaltina [42]3 years ago
3 0

Answer:

(2x-3)(2x+3)

Step-by-step explanation:

4x^2-0x-9

(4x^2-9)

(2x)^2 - (3)^2

We recognize that this is the difference of squares a^2 - b^2 = (a-b)(a+b)

(2x-3)(2x+3)

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Which is the graph of the sequence defined by the function f(x) = 100(0.5)* - 1?
krok68 [10]

Answer: f  ( x)   =  − 50

Step-by-step explanation:

4 0
3 years ago
The mean of 5 numbers is 30. The median is 33. What might the numbers be?
tatiyna

Let a,b,c,d and e are five numbers

mean = (a +b+ c+ d+e)/5 = 30

⇒ (a +b+ c+ d+e) = 150_______(1)

now, Let the number excluded be a

then, new mean =  (b+ c+ d+e)/4 = 28

⇒ (b+ c+ d+e)= 112

putting this value in (1),

⇒a + 112 = 150

⇒a = 150 -112 = 38

excluded number = 38

4 0
2 years ago
You have conducted a survey on a number of households and found out how many pets they owned brainly
eduard

Answer:

Using tally marks

Step-by-step explanation:

Missing information;

Number of pets are;

3,0,1,4,4,1,2,0,2,2,0,2,0,1,3,1,2,1,1,3

Find;

Ungroups frequency distribution table

Computation:

<u>Number of pets    Tally     Frequency</u>

0                              IIII             4

1                               IIIII I           6

2                              IIIII              5

3                              III               3

4                              II                 2

4 0
3 years ago
Y = 6x + 4<br> y= - 6x + 4<br> How many solutions does the system of equations have?
kvv77 [185]

Answer:

1 solution

Step-by-step explanation:

6 0
3 years ago
The system of equations below represents p, the number of photo files, and v, the number of video files Helena uploaded to an on
ss7ja [257]
P + v = 650....p = 650 - v
4p + 9v = 2925

4(650 - v) + 9v = 2925
2600 - 4v + 9v = 2925
-4v + 9v = 2925 - 2600
5v = 325
v = 325/5
v = 65.....video files

p + v = 650
p + 65 = 650
p = 650 - 65
p = 585....photo files

answer : Helena uploaded 9 times as many photo files as video files
               65 * 9 = 585
5 0
3 years ago
Read 2 more answers
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