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My name is Ann [436]
3 years ago
15

Simplify: -(14x)0y(-7)z

Mathematics
1 answer:
iVinArrow [24]3 years ago
8 0
-14x*0*-7z

0y=0
-(14x)=-14x
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Step-by-step explanation:

(n + 5)2 for n = -7

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Another way :

(n + 5)2

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Find the slope of the line passing through (-4, 5) and (-8,-5)
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(\stackrel{x_1}{-4}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{-8}~,~\stackrel{y_2}{-5}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-5}-\stackrel{y1}{5}}}{\underset{run} {\underset{x_2}{-8}-\underset{x_1}{(-4)}}}\implies \cfrac{-10}{-8+4}\implies \cfrac{-10}{-4}\implies \cfrac{5}{2}

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6 0
3 years ago
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(SAT Prep) In △ABC, AB = BC = 20, DE ≈ 9.28. Approximate BD.
OLga [1]

The measure of BD ≈ 5.36

<u>Step-by-step explanation</u>:

  • The side BC = BD+DE+EC.
  • The measure of BC = 20 and DE ≈ 9.28
  • The angles ∠BD and ∠EC are both equal to 15°
  • If the angles are same, then their sides are equal.

Let 'x' be the measure of BD and EC.

BC = x+9.28+x

20 = 9.28 + 2x

2x = 20-9.28

x = 10.72/2

x = 5.36 (approx.)

∴ The measure of BD ≈ 5.36

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