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luda_lava [24]
3 years ago
15

A rectangular garden that is 167 feet wide and 11 feet long will be covered with

Mathematics
1 answer:
steposvetlana [31]3 years ago
6 0

Answer:

the answer is 92 bags.

167x11=1837

1837÷20=91.85....or 92 bags

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Can you draw an isosceles triangle with only one 80 degree angle?
aev [14]

Answer:

The triangle is 50,50 80

Step-by-step explanation:

The three angles of a triangle equal 180 degrees

We only want one 80 degree angle.  That means the other two angles have to be the same, since it is an isosceles triangle.  Call the other angle x

x+x+80 = 180

2x+80 =180

Subtract 80 from each side

2x+80-80=180-80

2x =100

Divide by 2

2x/2=100/2

x = 50

Each of the other angles in the triangle would have to equal 50 degrees

The triangle is 50,50 80

6 0
3 years ago
Which is bigger 1 2/9or 1.2
PIT_PIT [208]
12/9 is bigger. It’s 1.333~
5 0
3 years ago
Write a polynomial equation with roots 5 and -9i. X^3-?x^2+?X-?=0
jek_recluse [69]

Answer:

x³ - 5x² + 81x - 405 = 0

Step-by-step explanation:

Complex roots occur in conjugate pairs.

Thus given x = - 9i is a root then x = 9i is also a root

The factors are then (x - 5), (x - 9i) and (x + 9i)

The polynomial is the the product of the roots, that is

f(x) = (x - 5)(x - 9i)(x + 9i) ← expand the complex factors

    = (x - 5)(x² - 81i²) → note i² = - 1

    = (x - 5)(x² + 81) ← distribute

    = x³ + 81x - 5x² - 405, thus

x³ - 5x² + 81x - 405 = 0 ← is the polynomial equation

6 0
3 years ago
Had to do it to em
ohaa [14]

Answer:

A is the correct answer

Step-by-step explanation:

When x =4 and y =-5, and you want to evaluate equation -3x+2y, you just have to apply it into the equation.

We got the equation as:

= -3x + 2y

= -3*4 + 2*(-5)

= -12 + (-10)

= -12 - 10

= -22

Hope this help you :3

6 0
3 years ago
Read 2 more answers
How do i find the derivative of<br><img src="https://tex.z-dn.net/?f=9%20%5Cdiv%20%20%5Csqrt%7Bx%7D%20" id="TexFormula1" title="
Alekssandra [29.7K]
Possible derivation:
d/dx(3)
The derivative of 3 is zero:
Answer: = 0
4 0
3 years ago
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