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Kazeer [188]
2 years ago
6

Math help please and thank you

Mathematics
2 answers:
shtirl [24]2 years ago
8 0
Whats the question ‍♀️
Doss [256]2 years ago
7 0

for what? :)  .

...................

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Polynomial in standard form.
nataly862011 [7]

Answer:

-2x² - 8x - 15

Step-by-step explanation:

-(2x² + 4x + 11) + (-4)

-2x² - 8x - 11 - 4

-2x² - 8x - 15

6 0
3 years ago
Select the correct answer. A sound wave enters a new medium where sound travels faster. How does this affect the frequency and w
Ulleksa [173]

Answer:

The correct answer is E. Neither the frequency nor the wavelength is affected. Explanation: The wave frequency does not affect the speed of that wave. An increase in frequency of a wave causes a decrease in wavelength while the wave speed remains the constant. The speed of the waves is significantly higher at higher tensions.

Step-by-step explanation:

5 0
2 years ago
Can someone plz help me. I dont know what to do or what it is​
UkoKoshka [18]
I think its 31 but im not 100% sure :)
8 0
2 years ago
Solve the system of equations by substitution y=-2x+18 and 4y-x+9=0
Stells [14]
  • Answer:

<em>x = 9</em>

<em>y = 0</em>

  • Step-by-step explanation:

<em>y = -2x + 18 </em>

<em>4y - x + 9 = 0</em>

<em />

<em>4(-2x + 18) - x + 9 = 0</em>

<em>- 8x + 72 - x + 9 = 0</em>

<em>- 9x + 81 = 0</em>

<em>81 = 9x</em>

<em>x = 81 : 9</em>

<em>x = 9</em>

<em />

<em>y = - 2×9 + 18</em>

<em>y = - 18 + 18</em>

<em>y = 0</em>

3 0
2 years ago
Question 2 of 10<br> Which of the following is most likely the next step in the series?
shusha [124]

Answer:

a) is the answer because line,stroke,2nd stroke =a

7 0
1 year ago
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