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Aleksandr [31]
3 years ago
15

10.2 = 0.6y what is y

Mathematics
1 answer:
AVprozaik [17]3 years ago
6 0

Answer:

y = 17

Step-by-step explanation:

isolate the variable by dividing each side by factors that don't contain the variable.

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If f ( x ) = 3x² - 5x + 7 , Show that f ( -1 ) = 3 f ( 1 ) .<br><br><br><br><br>Tysm :')​
Lelechka [254]

Solution :

  • 3x² - 5x + 7

put x = -1

  • 3(-1)² - 5(-1) + 7

  • 3(1) + 5 + 7

  • 3 + 12

  • 15

Now, put x = 1

  • 3(1)² - 5(1) + 7

  • 3(1) - 5 + 7

  • 3 + 2

  • 5

here :

  • f(-1) = 15

  • f(-1) = 3(5)

  • f(-1) = 3 f(1)

4 0
2 years ago
Write a decimal that is 1 tenth of 0.9
tigry1 [53]
1/10 = 0.1

0.9 x 0.1 = 0.09

0.09 is your answer

hope this helps
4 0
3 years ago
Read 2 more answers
Part A: Factor x2y2 + 6xy2 + 8y2. Show your work. (4 points) Part B: Factor x2 + 8x + 16. Show your work. (3 points) Part C: Fac
skad [1K]

Answer:

Part A : y²(x + 2)(x + 4)

Part B: (x + 4) (x + 4)

Part C: (x + 4) (x - 4)

Step-by-step explanation:

Part A: Factor x²y²+ 6xy²+ 8y²

x²y²+ 6xy²+ 8y²

y² is very common across the quadratic equation , hence

= y² (x² + 6x + 8)

= (y²) (x² + 6x + 8)

= (y²) (x² + 2x +4x + 8)

= (y²) (x² + 2x)+(4x + 8)

= (y²) (x(x + 2)+ 4(x + 2))

= y²(x+2)(x+4)

Part B: Factor x² + 8x + 16

x² + 8x + 16

= x² + 4x + 4x + 16

= (x² + 4x) + (4x + 16)

= x( x + 4) + 4(x + 4)

= (x + 4) (x + 4)

Part C: Factor x² − 16

= x² − 16

= x² + 0x − 16

= x² + 4x - 4x - 16

= (x² + 4x) - (4x - 16)

= x (x + 4) - 4(x + 4)

= (x + 4) (x - 4)

6 0
3 years ago
PLEASE HELP!!!What mistakes did Cassandra make? Check all that
sertanlavr [38]

Answer:

she used square unit instead of cubic units

in calculating the volume of the pyramid she didn't multiply by 1/3

she subtracted the pyramid volume instead of adding it

4 0
3 years ago
Read 2 more answers
1/2 x 3/5 draw fraction model
boyakko [2]

Step-by-step explanation:

1/2× 3/5

1/2

3/5=

7/4-3/5

4 0
3 years ago
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