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Mazyrski [523]
3 years ago
9

Need before March 11, 2021/ seventh grade math

Mathematics
1 answer:
KonstantinChe [14]3 years ago
7 0
The answer is very easy the answer is D. 38,304 by multiply 252 times 152
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A line passes through (-9,-5) and (2,-4)
zlopas [31]

The point-slope form of a line:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (-9, -5) and (2, -4). Substitute:

m=\dfrac{-4-(-5)}{2-(-9)}=\dfrac{1}{11}\\\\y-(-5)=\dfrac{1}{11}(x-(-9))\\\\\boxed{y+5=\dfrac{1}{11}(x+9)}\leftarrow\boxed{\text{point-slope form}}

The standard form of a line:

Ax+By=C

y+5=\dfrac{1}{11}(x+9)                <em>multiply both sides by 11</em>

11y+55=1(x+9)

11y+55=x+9     <em>subtract 9 from both sides</em>

11y+46=x      <em>subtract 11y from both sides</em>

46=x-11y

\boxed{x-11y=46}\leftarrow\boxed{\text{standard form}}

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3 years ago
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FromTheMoon [43]
A, its the only option that states that the monthly bill increases by $1.00 every ten minutes of talk time
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3 years ago
(-8r^2s^-8)(-3r^-7s^8)
sertanlavr [38]

24r^−5s^0 would be your answer

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Solve for :<br> -2x - 8 =-6x + 4<br> A)1. B)2. C)3. D)1/2
gizmo_the_mogwai [7]
Your answer would be letter C
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Answer:

Step-by-step explanation:

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3 years ago
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