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Sphinxa [80]
3 years ago
14

1:factorise 3 X square + 11 x + 10 ​

Mathematics
1 answer:
Levart [38]3 years ago
4 0

Answer:

(x + 2)(3x + 5)

Step-by-step explanation:

3 {x}^{2}  + 11x + 10 \\ 3 {x}^{2}  + 6x + 5x + 10 \\ (3 {x}^{2}  + 6x) + (5x + 10) \\  \frac{3x}{3x} (3 {x}^{2}  + 6x) +  \frac{5}{5} (5x + 10) \\ 3x(x + 2) + 5(x + 2) \\  \frac{x + 2}{x + 2} (3x(x + 2) + 5(x + 2)) \\ (x + 2)(3x + 5)

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Use the graph below to answer<br>How many dozens of cupcakes will be made after 3 hours?​
aleksley [76]

Answer: 12 dozens of cupcakes will be made after three hours.

Step-by-step explanation: If you got to the three under hours and move up until the arrow intersects you will get 12 dozens

5 0
3 years ago
you have to order fencing for a 25-acre rectangular field one side of the field measures exactly 1/4 Mile how many yards of fenc
Nookie1986 [14]

1/4 acre x 100 acres = 25 acres

208.71" = one side of 1 acre squared in feet

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3 years ago
What is the equation of a line passing through the point (1,2) and parallel to the line y=3x+2?
vova2212 [387]
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3 0
3 years ago
Read 2 more answers
Please show work for both problems
kirill [66]

Answer:

3)  x = 15; 95 and 85      4)  x = 12; 98 for both angles

Step-by-step explanation:

2x + 65 + 3x + 40 = 180       Set the equations equal to 180

5x + 105 = 180                      Combine like terms

     - 105  - 105                      Subtract 105 from both sides

5x = 75                                  Divide both sides by 5

x = 15

Plug 15 into both equations

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3(15) + 40 = 85

4)  5x + 38 = 9x - 10             Set the equations equal to each other

  - 5x          - 5x                    Subtract 5x from both sides

 38 = 4x - 10

+ 10       + 10                         Add 10 to both sides

48 = 4x                                  Divide both sides by 4

12 = x

Plug 12 into both equations

5(12) + 38 = 98

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6 0
3 years ago
What is 6/3 divided by 2/4
Juli2301 [7.4K]

Answer:6/3÷2/4=4

Step-by-step explanation: i hope its the rght

answer

8 0
4 years ago
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