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balandron [24]
3 years ago
15

Can some one help me with these two

Mathematics
1 answer:
kakasveta [241]3 years ago
5 0

Answer:

11. B

12. D

Step-by-step explanation:

11)

2 times 10⁻² = 2·0.01 = 0.02 ≈ 0.0201

12)

6·10⁻⁴ = 6·0.0001 = 0.0006

However, 0.00058 rounds to 0.0006 and 0.00067 rounds to 0.0007, so the answer is a better estimation for D than for B.

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Answer:

Hi! The correct answer is J and G!

Step-by-step explanation:

<u><em>~I graphed it and it gave me 2 points that we're on this list that were apart of the equation so what wasn't in the equation i wrote here~</em></u>

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Explain the relationship between the shape of the base of a prism and the number of lateral faces. Use examples to justify your
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Which steps could be part of the process in algebraically solving the system of equations, y + 5x = x2 + 10 and y = 4x – 10? Sel
dolphi86 [110]

Answer:

That would be :

 4x – 10 = x2 – 5x + 10  ( y = 4x - 10 is substitute for y)

 PROOF:        y + 5x = x² + 10

                     (4x - 10) + 5x = x² + 10

                      4x - 10  =  x² -5x + 10

    0 = x2 – 9x + 20  (liked terms are grouped and simplified)

PROOF:      4x - 10  =  x² -5x + 10

                   4x = x² -5x + 10 + 10

                    0  = x² -5x -4x + 20

                    0  = x² - 9x + 20

Solving:

             x² - 9x + 20 = 0 

             x² - 5x - 4x + 20 = 0

             (x - 5) (x - 4)  = 0

          ⇒ x = 4  (as question says) OR x = 5

Step-by-step explanation:

hope this helps

8 0
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