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STatiana [176]
4 years ago
14

A square garden has a 20 ft fence surrounding it. How much will it cost to mulch the garden if one bag covers 2.5 square feet an

d costs $3.99 per bag?
Mathematics
2 answers:
algol134 years ago
7 0

Answer:

39.90

Step-by-step explanation:

finlep [7]4 years ago
5 0

Answer:

$39.90

Step-by-step explanation:

Ok square, all sides equal.

20ft fence would be perimeter.

Covers is area.

20/4=5

5 is the length of each side.

A=5*5

A=25

one bag=2.5

25=2.5x

x=10

it takes 10 bags of mulch.

10*3.99

$39.90 to cover it all

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Answer:

1. the answer is nonfictional story about a person, topic, or event

Step-by-step explanation:

hope this helps

3 0
2 years ago
12a - 6 + 7a - 2a ; a = 4<br> Need help please
Novosadov [1.4K]

Answer:

62

Step-by-step explanation:

Plug in the value of a in the equation:

12(4) - 6 + 7(4) - 2(4)

Solve 12(4) - 6:

12(4) - 6 = 48 - 6 = 42

Solve 7(4) - 2(4):

7(4) - 2(4) = 28 - 8 = 20

Combine both answers (42+20):

42+20 = 62

Complete answer:

12(4) - 6 + 7(4) - 2(4) = 62

3 0
3 years ago
For what values of $x$ is $$\frac{x^2 + x + 3}{2x^2 + x - 6} \ge 0?$$ note: be thorough and explain why all points in your answe
Rus_ich [418]

To solve the inequality \frac{x^2+x+3}{2x^2+x-6}\ge \:0

\mathrm{Factor\:the\:left\:hand\:side\:}\frac{x^2+x+3}{2x^2+x-6}:

The numerator x^2+x+3 is not factorizable.

so factor the denominator 2x^2+x-6:

2x^2+x-6=\left(2x^2-3x\right)+\left(4x-6\right)=x\left(2x-3\right)+2\left(2x-3\right)\\ \mathrm{Factor\:out\:}x\mathrm{\:from\:}2x^2-3x\mathrm{:\quad }x\left(2x-3\right)\\ \mathrm{Factor\:out\:}2\mathrm{\:from\:}4x-6\mathrm{:\quad }2\left(2x-3\right)\\

Now take \mathrm{Factor\:out\:common\:term\:}\left(2x-3\right)

Then we get factor of the denominator as \left(2x-3\right)\left(x+2\right)

Thus \frac{x^2+x+3}{2x^2+x-6}=\frac{x^2+x+3}{\left(x+2\right)\left(2x-3\right)}

Now \mathrm{Compute\:the\:signs\:of\:the\:factors\:of\:}\frac{x^2+x+3}{\left(x+2\right)\left(2x-3\right)}\\

Signs of x^2+x+3>0

\mathrm{Choosing\:ranges\:that\:satisfy\:the\:required\:condition:}\:\ge \:\:0

x\frac{3}{2} is the required solution of the given inequality.

5 0
4 years ago
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Write a rational function that meets the following criteria:
Sliva [168]
You can get a vertical asymptote at x=1 using y = 1/(x-1)
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y = (x - 3)/((x - 1)(x - 3)) + 2
5 0
3 years ago
Simplify the numerical expression:<br> (5^4) (5^2)<br> A. 5^-10<br> B. 5^2<br> C. 5^-6<br> D. 5^-2
alexgriva [62]

Answer: A is the answer

3 0
3 years ago
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