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expeople1 [14]
3 years ago
7

Use the grouping method to factor the polynomial below completely.

Mathematics
1 answer:
miv72 [106K]3 years ago
8 0

Answer: C. (x2 - 5)(x + 3)

Step-by-step explanation:

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3 years ago
You are enclosing a rectangular garden with 180 feet of omamental fencing. The area of the garden is 1800 square feet. What are
Brut [27]

Answer:

Step-by-step explanation:

Perimeter is

P = 2L + 2W.  We are given the perimeter as 180 feet, so

180 = 2L + 2W.  Solve this for either L or W.  I chose W, no reason...

180 - 2L = 2W so

90 - L = W  Hold that thought.  We'll come back to it in a minute.

Area is

A = LW.  We are given the area as 1800 square feet, so

1800 = LW.  Sub in 90 - L for W:

1800 = L(90 - L).  Distribute to get a quadratic:

1800=90L-L^2

Get everything on one side and solve for the length by factoring:

-L^2+90L-1800=0

Factor this however you like to factor quadratics, to get the length of

L = 30 and L = 60.  First off, the length is longer than the width in general, so if we want to solve for the width, plug in 60 as L in the equation in bold print:

90 - 60 = W and

30 = W

So L = 60 and W = 30

4 0
3 years ago
Use point-slope form to write the equation of the line in slope-intercept form.
dimulka [17.4K]

Answer:

y - 10 = -1 (x+4)

y = - x + 6

Step-by-step explanation:

y - 10 = - 1 (x - - 4)

y - 10 = -x - 4

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2 years ago
In how many ways can a gymnastics team of 4 be chosen from 9 gymnasts? Type a numerical answer in the space provided. Do not typ
vovangra [49]
There are 126 ways to choose a team of 4 gymnasts from a set of 9 gymnasts.
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3 years ago
2. 5 teaspoons = how many drops
Fudgin [204]

Answer:

492.892 drops

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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