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Snowcat [4.5K]
4 years ago
10

60×4=. tens×4=. tens=.

Mathematics
2 answers:
Sonbull [250]4 years ago
7 0
The answer is going to be 4
nikklg [1K]4 years ago
6 0
The answer is 60. Because 60x4 is tensx4 so tens is 60
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KengaRu [80]

Answer:

11. 10x^2 - 13x - 3

12. 5x^2 + 18x + 5

Step-by-step explanation:

11. Product means multiplication, so you can multiply (5x + 1) and (2x - 3).

(5x + 1) * (2x - 3) - Using the FOIL (First+Outer+Inner+Last)

So: (5x*2x) + (5x*-3) + (1*2x) + (1*-3)\\10x^{2} -15x + 2x -3\\10x^{2} -13x -3

12. 3x^{2} + 8x - 1 + 2(x^{2} +5x + 3) (So, you distribute the 2 to x^2 + 5x + 30, then combine like terms).

3x^{2} + 8x - 1 + 2(x^{2} +5x + 3)\\3x^{2} + 8x - 1 + 2x^{2} +10x + 6\\(3x^{2} +2x^{2}) + (8x + 10x) + (-1+6)\\5x^{2} + 18x + 5

Hopefully, this helped you. Good luck & have a good day!

6 0
3 years ago
Read 2 more answers
The inverse of the function f(x) = x + 10 is shown.
Vadim26 [7]

we have

f(x) = \frac{1}{2}x + 10

Step 1

Let

y=f(x)

y =  \frac{1}{2}x + 10

Exchange the variable x for y and variable y for x

x =  \frac{1}{2}y + 10

Clear variable y

Multiply by 2 both sides

2x =  y + 20

y = 2x-20

Let

f(x)^{-1} =y

f(x)^{-1}=2x-20

therefore

the answer is

the inverse of the function is f(x)^{-1}=2x-20

the missing value is 20



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irga5000 [103]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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Help thank you please
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The answer is Pentagonal prism
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3 years ago
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