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jolli1 [7]
3 years ago
13

Please *100 I really need help. Correct answer will get the brainliest answer. y = -­4x^2 ­- 2

Mathematics
1 answer:
bearhunter [10]3 years ago
8 0
Slope: 0
Y-intercept: -4
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An angle in an isosceles triangle measures 30°. What could the measures of the other two angles be? Consider all options.
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Answer:35

Step-by-step explanation:

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Simplifying&#10;-1x + -1 = 221 + 2x&#10;&#10;Reorder the terms:&#10;-1 + -1x = 221 + 2x&#10;&#10;Solving&#10;-1 + -1x = 221 + 2x&#10;&#10;Solving for variable 'x'.&#10;&#10;Move all terms containing x to the left, all other terms to the right.&#10;&#10;Add '-2x' to each side of the equation.&#10;-1 + -1x + -2x = 221 + 2x + -2x&#10;&#10;Combine like terms: -1x + -2x = -3x&#10;-1 + -3x = 221 + 2x + -2x
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3 years ago
100 POINTS PLEASE HELP ME 100 POINTS (make fullscreen)
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Answer:

  • 1) 64, 2) 6, 3) 26, 4) 33

Step-by-step explanation:

<h3>#1</h3>

<u>Sum of interior angles is 180</u>

  • 70 + 46 + x = 180
  • 116 + x = 180
  • x = 64
<h3>#2</h3>

<u>Sum of interior angles is 180</u>

  • 84 + 7x + 1 + 9x - 1 = 84
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  • 16x = 96
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<h3>#3</h3>

<u>Vertical angles are same, the sum of remaining angles is same for both triangles:</u>

  • 35 + 25 = 34 + x
  • 60 = 34 + x
  • x = 60 - 34
  • x = 26
<h3>#4</h3>

<u>Exterior angle is same as the sum of non-adjacent interior angles:</u>

  • 5x - 7 + 6x + 3 = 84
  • 11x - 4 = 84
  • 11x = 88
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8 0
2 years ago
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Afina-wow [57]

Answer:

\large \boxed{\textbf{30.54 yr}}

Step-by-step explanation:

For species A,

P =2000e^{0.05t}

For species B,

P =5000e^{0.02t}

When their populations are equal,

\begin{array}{rcl}2000e^{0.05t} & = & 5000e^{0.02t}\\e^{0.05t} & = & 2.5e^{0.02t}\\0.05t & = & \ln2.5 + 0.02t\\0.05t & = & 0.9163 + 0.02t\\0.03t & = & 0.9163\\t& = & \dfrac{0.9163}{0.03}\\\\& = & \mathbf{30.54}\\\end{array}\\\text{The populations of species A and B will be the same in $\large \boxed{\textbf{30.54 yr}}$}

The diagram below shows the population of Species A overtaking that of Species B in about 30.5 yr.

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3 years ago
5ab^2 - 12a^2b + 3ab + ab^2 + 4a^2b
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By combining like terms, the answer is a
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