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neonofarm [45]
3 years ago
13

2 n ^ 2 + 5 n - 9 = 0

Mathematics
1 answer:
Alexandra [31]3 years ago
5 0

Answer:

I can tell you that it is not factorable, so you'll have to use the quadratic formula: x=-b+/- sqrt b^2-4(a)(c)/2a

Sorry I'm not much help other than that

Step-by-step explanation:

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Brooke paints the outsides of the square walls and triangular ceilings of her treehouse. What area does she paint? Enter your an
andrew-mc [135]

Answer:

216

Step-by-step explanation:

The formula of finding the surface is length * width * height or LxWxH.

Since everything is 6 you just multiply 6*6*6 which gives you 36*6 which gets you 216. You don't need the top 6 just to find the surface she will paint.

Hope this helps!

7 0
3 years ago
What is each measure of the rhombus?
Elodia [21]
A. 15
b. 26

d. 41
e. 82
f. 98

h. 49
5 0
3 years ago
284.115 simplified in to a number
Fudgin [204]

Answer:

284

Step-by-step explanation:

Really easy dude?

3 0
3 years ago
What is the equation of the line that passes through the point (6,14) and is parallel to the line with the following equation? y
Gekata [30.6K]

Answer:

y=\displaystyle-\frac{4}{3}x+22

Step-by-step explanation:

Hi there!

<u>What we need to know:</u>

  • Linear equations are typically organized in slope-intercept form: y=mx+b where <em>m</em> is the slope and <em>b</em> is the y-intercept
  • Parallel lines always have the same slope (<em>m</em>)

<u>Determine the slope (</u><em><u>m</u></em><u>):</u>

<u />y=\displaystyle-\frac{4}{3}x -1<u />

The slope of the given line is \displaystyle-\frac{4}{3}, since it is in the place of <em>m</em> in y=mx+b. Because parallel lines always have the same slope, the slope of a parallel line would also be \displaystyle-\frac{4}{3}. Plug this into y=mx+b:

y=\displaystyle-\frac{4}{3}x+b

<u>Determine the y-intercept (</u><em><u>b</u></em><u>):</u>

y=\displaystyle-\frac{4}{3}x+b

To find the y-intercept, plug in the given point (6,14) and solve for <em>b</em>:

14=\displaystyle-\frac{4}{3}(6)+b\\\\14=-8+b\\b=22

Therefore, the y-intercept of the line is 22. Plug this back into y=\displaystyle-\frac{4}{3}x+b:

y=\displaystyle-\frac{4}{3}x+22

I hope this helps!

5 0
3 years ago
Vincent needs 20 inches of wood to makeOne shelf. How many feet of wood does Vincent need to make 6 shelves
butalik [34]

Answer:

10 feet

Step-by-step explanation:

  1. Multiply 20 by 6 which will give the answer 120 (in inches).
  2. Then convert 120(inches) to feet by dividing with 12.
  3. The answer will be 10(feet) needed for six shelves.

20x6= 120

120/12=10

=10 ft

6 0
3 years ago
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