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Stella [2.4K]
3 years ago
14

Plese tell how to solve this​

Mathematics
1 answer:
klasskru [66]3 years ago
8 0

Answer:

hope you understand the answers

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Find the value of the expression 2x2 - 4x2 + 7x – 7 if x= 3. What is the value if x = 2?
vichka [17]

Answer:

if x= 3, so it's 32  if x= 2, so it's 7

Step-by-step explanation:

5 0
3 years ago
What is 36÷2/3×9×1/2
krok68 [10]

Answer:

1/3

Step-by-step explanation:

Simplify the following:

((36/2)/(3×9))/2

((36/2)/(3×9))/2 = 36/(3×9×2×2):

36/(3×9×2×2)

36/9 = (9×4)/9 = 4:

4/(3×2×2)

4/2 = (2×2)/2 = 2:

2/(3×2)

2/(3×2) = 2/2×1/3 = 1/3:

Answer: 1/3

6 0
3 years ago
Read 2 more answers
B is the midpoint of AC. AB = 2x+12 and BC = 5x + 10. Find AC
3241004551 [841]

Answer:

x=6

Step-by-step explanation:

/AB/=2x+12

/BC/=5x+10

3x+2=5x-10 subtract 2 from both sides

3x=5x-12 subtract 5x from both sides

-2x=-12 divide both sides by -2x

x =6

5 0
2 years ago
-9 x 1/3 equals ___________________________
Leno4ka [110]
-9 x 1/3
= -9/3
= -3
......................................
8 0
3 years ago
Identify the outputs if the function rule is 2x - 5 and the inputs are 5,10,15
Alex73 [517]

Answer:

15

Step-by-step explanation:

that is the answer

6 0
3 years ago
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