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nordsb [41]
4 years ago
8

Alicia is solving a quadratic equation. She wants to find the value of x by taking the square root of both sides of the equation

. Which equation allows her to do this?
x2 + 81x + 18 = 54 space  x2-8x+24=17


x2+9x-24=25space x2+16x+64=36
Mathematics
2 answers:
sergejj [24]4 years ago
8 0
That's the last one because you can factor to get

(x + 8)^2 = 36

(x + 8) = +/- 6
Lyrx [107]4 years ago
5 0
X=19.5 because you multiply 23+5
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A museum groundskeeper is creating a semicircular statuary garden with a diameter of 23 feet. There will
Helga [31]

Answer: $443.32

Step-by-step explanation:

Hi, to answer this question we have to calculate perimeter of a semicircle:

P = π (d/2) + d

Where d is the diameter

Replacing with the values given:

P = 3.14 (23/2) + 23 = 59.11 feet  

Since each linear foot cost $7.50, we have to multiply that cost by the perimeter.

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Feel free to ask for more if needed or if you did not understand something.

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3 years ago
A chef uses 3 3/4 pounds of semolina flour and 1 5/8 pounds whole wheat flour for each batch of pasta she makes. One week she us
atroni [7]
One batch = 3 3/4 + 1 5/8
one batch = 3 6/8 + 1 5/8
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One week = 86 pound 
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86 ÷  5 3/8  = 86 x   8/43
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5 0
4 years ago
Q # 14. help me please to resolve
ivolga24 [154]

A(n) =2+9(n-1)= 2 + 9n - 9= 9n -7

A(n-1)= 2+9[(n-1)-1]= 2 + 9(n-2)= 2+ 9n - 18= 9n -16

A(n)- A(n-1)= (9n-7)-(9n-16) = -7+16=9

A(n)= A(n-1) +9 is the answer

4 0
3 years ago
A app.edulastic.com
timama [110]
Idgaf is the answer to your question sir
7 0
3 years ago
HELPPP!!!
Setler [38]

Answer:-5

Step-by-step explanation:

8 0
3 years ago
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