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disa [49]
3 years ago
15

WILL MARK BRAINLIEST!!!

Mathematics
1 answer:
Jet001 [13]3 years ago
8 0

Answer:

The answer is A. C = 39.6, A = 67.4, a ≈ 14.5

Step-by-step explanation:

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Jillian is trying to save water, so she reduces the size of her square grass lawn by 8 feet on each side the area of the smaller
horsena [70]

Answer: 20 feet by 20 feet.


Step-by-step explanation:

1. You know that x is the original measure of one side. Since it is a square, all its sides are equal.

2. Therefore, to solve the problem you only need to solve for x, as you can see below:

- You have that:

(a-b)^{2}=a^{2}-2ab+b^{2}

- Then, you obtain the following quadratic equation:

(x-8)^{2} =144\\x^{2}-2(x)(8)+8^{2}=144\\x^{2}-16x-80=0

- Apply the Quadratic formula to solve it:

x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}\\a=1\\b=-16\\c=-80

- Then, you obtain:

x_1=20\\x_2=-4

3. The dimensions cannot be negative, therefore, the answer is: 20 feet by 20 feet.


3 0
3 years ago
Read 2 more answers
Determine the fraction of the total interest owed after the fourth month of a 12 month loan
tamaranim1 [39]
8/12 is still owed, and when you simplify the fraction it becomes 2/3
7 0
3 years ago
Arătati ca:<br> (5 puterea n +5 puterea n+1 +5 la puterea n) se divide cu 31.
katen-ka-za [31]
I am taking french but im only 7% fluent as of yet
8 0
3 years ago
Can someone help me please will give brainlist
nadya68 [22]

Answer:

A) it converges

B) 1998.047

C) 2000

d) The sum is getting smaller and smaller

Step-by-step explanation:

Formula: a_n+a_1*r^(r-1)

(1000*((0.5^10)-1))/(0.5-1)=1998.047

(1000*((0.5^30)-1))/(0.5-1)=2000

8 0
2 years ago
What is , x + 4 + 5x =34
galina1969 [7]
X+4+5x=6x+4
6x+4=34
6x=30 (minus 4 on both sides)
30÷6=5
hence: x=5
4 0
3 years ago
Read 2 more answers
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