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nadezda [96]
3 years ago
11

Factor completely x3 + 7x2 + 3x + 21.

Mathematics
1 answer:
Natasha2012 [34]3 years ago
5 0

Answer:

  (x + 7)(x^2 + 3)

Step-by-step explanation:

The two constant terms in the binomials must have a positive product, so both will have the same sign. This eliminates the last two choices.

The coefficient of x^2 is +7, which eliminates the first choice.

The factorization is shown by the second choice:

  (x + 7)(x^2 + 3)

_____

A caret (^) is used to signify an exponent.

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Click to select the figure in the image that would portray the rotation of the given pre image and the rotation arrow. The first
sashaice [31]

Answer:

its a

Step-by-step explanation:

7 0
4 years ago
The table below shows the numbers of tickets sold at a movie theater on Friday.
prisoha [69]

Answer:

Number of Adult's tickets sold on Saturday = 3,356

Number of Children's tickets sold on Saturday = 2, 928

Total number of tickets sold over these two days is 8,938.

Step-by-step explanation:

Here, the number of tickets sold on FRIDAY:

Adult Ticket sold = 1,678

Children's Tickets sold = 976

So, the total number of tickets sold on Friday  

= Sum of ( Adult + Children's ) tickets  = 1,678  + 976 = 2,654 ....  (1)

The number of tickets sold on SATURDAY:

Adult Ticket sold =   2 times  the number of adult tickets sold on Friday  

                             =  1,678 x 2  = 3,356

Children's Tickets sold = 3 x the number of children's tickets sold on Friday.

                                        =  976  x 3 = 2, 928

So, the total number of tickets sold on Saturday  

= Sum of ( Adult + Children's ) tickets  = 3,356 + 2,928 = 6, 284 ....  (2)

Now, the total number of tickets booked in these two days :

Sum of tickets booked on (Friday + Saturday)

= 2,654 +  6, 284  =   8,938

Hence, total number of tickets sold over these two days is 8,938.

6 0
3 years ago
Please help! Will be marking brainliest!
Ludmilka [50]

Answer:

integer and rational

Step-by-step explanation:

5 0
3 years ago
10-5x=3(x-4)-2(x+7)-------
VashaNatasha [74]

Answer:

x=6

Step-by-step explanation:

10-5x=3(x-4)-2(x+7)

Distribute

10-5x=3x-12-2x14

Combine like terms

10-5x = x-26

add 5x to each side

10-5x+5x = x+5x-26

10 = 6x-26

Add 26 to each side

10+26 = 6x-26+26

36 = 6x

Divide by 6

36/6 = 6x/6

6 =x

5 0
3 years ago
Read 2 more answers
A refrigeration system at your company uses temperature sensors fixed to read Celsius (°C) values, but the system operators in y
Anton [14]

Answer:

14°F

Step-by-step explanation:

We are given that,

The label for the high temperature is -10°C.

It is required to label the alarm in Fahrenheit (°F).

As we know,

(1°C × \frac{9}{5}) + 32 = 33.8°F

Thus, for -10°C, we have,

(-10°C × \frac{9}{5}) + 32 = -18 + 32 = 14°F

Hence, the Fahrenheit value on the label will be 14°F.

6 0
4 years ago
Read 2 more answers
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