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goldfiish [28.3K]
3 years ago
14

2. Which expression is equivalent to 2x2 + (4x - 6x2)+9 - (6x + 3)?

Mathematics
1 answer:
frez [133]3 years ago
8 0
The answer is g you just have to combine the Like terms
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3. In A PQR, MZP=(4x-5),
aleksklad [387]

Answer:

B

Step-by-step explanation:

The sum of all of them will result in 180. 15x-45=180. x=15. P=55, Q=70 and R=55. It's an isosceles triangle

7 0
3 years ago
Can a triangle have side measurements of 1, 4 and 5? Why or why not
Vladimir79 [104]

Answer:

A triangle cannot have side measurements of 1, 4 and 5.

As the sum of two sides i.e. '1+4' of a triangle is not greater than the measure of the third side i.e. '5'.

Step-by-step explanation:

The Triangle Inequality Theorem states that the sum of any two sides of a triangle must be greater than the measure of the third side.

For example, a triangle ΔABC must follow the three conditions which are as follows:

  • A + B > C
  • B + C > A
  • A + C > B

For example, a triangle ΔABC with side lengths:

A = 1

B = 4

C = 5

  • A + B > C    →   1 + 4 > 5      (FALSE)
  • B + C > A    →   4 + 5 > 1      (TRUE)
  • A + C > B    →    1 + 5 > 4     (TRUE)

As the condition i.e. A + B > C    →   1 + 4 > 5  is not satisfied, as 1 + 4 > 5 is False.

Therefore, a triangle cannot have side measurements of 1, 4 and 5.

7 0
3 years ago
Nathan is going to invest in an account paying an interest rate of 4.8% compounded continuously. How much would Nathan need to i
Elena-2011 [213]

Answer:

you would just 4.8 x how many years

Step-by-step explanation:

4 0
3 years ago
At 1:00 AM the temperature was -17 degrees Celsius. At 9:00 PM the temperature was -11 degrees Celsius. How much did the tempera
Anni [7]
A quick way to do this is: 17-11=6 Therefore the temperature rose 6 degrees Celsius. I hope this helps! =) 
4 0
3 years ago
3. What type(s) of symmetry is/are shown in the figure below!
vredina [299]

Answer: reflectional, rotational, and point symmetry

6 0
3 years ago
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