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Kryger [21]
3 years ago
8

your going to build a 3 foot by 7 garden.if you want to surround it by a 1 foot wide brick border , how many square feet will yo

u need
Mathematics
1 answer:
stiv31 [10]3 years ago
5 0

Answer:

20

Step-by-step explanation:

Multiply 3 and 7 by 2 and you get 6 and 14          6+14=20 which is the perimeter

Hope that helps!

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<img src="https://tex.z-dn.net/?f=1%20%2B%20%20log_%7B2%7D%28x%20-%202%29%20%20%3D%20%20%20log_%7B2%7Dx" id="TexFormula1" title=
fenix001 [56]

Move all the logarithms on the left hand side, and all the constants on the other:

\log_2(x-2) - \log_2(x) = -1

Use the rule of logarithms

\log_a(b) - \log_a(c) = \log_a\left(\dfrac{b}{c}\right)

To rewrite the equation as

\log_2\left(\dfrac{x-2}{x}\right) = -1

Evaluate 2 to the power of each side:

\dfrac{x-2}{x} = 2^{-1} = \dfrac{1}{2}

Multiply both sides by 2x:

2(x-2) = x \iff 2x-4 = x \iff x = 4

6 0
3 years ago
Read 2 more answers
PLEASE ANSWER THIS I WILL GIVE YOU 7 POINTS
MissTica

Answer:

tell me the question

Step-by-step explanation:

l am ready for you

6 0
2 years ago
Find the circumference of circle with a radius of 63mm. Use 22/7 for pi
Mariulka [41]

Answer:

396

Step-by-step explanation:

circumference of a circle is 2 x pi x r = 2 x 63 x (22/7) = 396

5 0
3 years ago
Read 2 more answers
I need help asap!! thank you, your help is really appreciated
hoa [83]
It’s the first one

3(6)-1/2(6)+1
7 0
3 years ago
A scalene triangle can be equilateral. A. True B. False
barxatty [35]
No, It should be false. Because the scalene triangle it cannot be unequilateral.

Hope it helped you.

-Charlie 

Have a great day!

:)
6 0
3 years ago
Read 2 more answers
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