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Mariana [72]
2 years ago
7

Write the algebraic expression to represent the following: Twice a number n decrease by 7.

Mathematics
2 answers:
Shkiper50 [21]2 years ago
3 0

Answer:

2n-7

Step-by-step explanation:

Ulleksa [173]2 years ago
3 0

Answer:

2n-7

Step-by-step explanation:

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The annual interest rate of Jacques' savings account is 3.6%, and simple interest is calculated monthly. What is the periodic in
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Divide by 12 equals 0.3
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3 years ago
Read 2 more answers
Instructions: Find the missing length indicated.
nata0808 [166]

Answer:

x = 12

Step-by-step explanation:

By applying geometric root theorem in the given triangle,

\frac{BD}{DC}= \frac{AD}{BD}

BD^2=AD\times DC

x^{2} =16\times 9

x=\sqrt{144}

x=12

Therefore, x = 12 will be the answer.

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3 years ago
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6 0
3 years ago
2. The area of a square is 72 sq in. What is its side length?
defon

Answer:

6 \sqrt{2}

if you don't have to simplify it, it is

\sqrt{72}

Step-by-step explanation:

the equation for the area of a square is

a =  {s}^{2}

substitute 72 for a

72 =  {s}^{2}

take the square root of both sides to cancel out the square on the s

\sqrt{72}  =  \sqrt{ {s}^{2} }

\sqrt{72}  = s

if you need it simplified, find the perfect square that makes up 72. It is 36.

\sqrt{36 \times 2}  = s

take the square root of 36

6 \sqrt{2}  = s

5 0
2 years ago
PLEASE HELP ASAPPPP THANK YOU IF YOU HELP
xz_007 [3.2K]

Answer: the area of the whole shape is 0.77. hope this helped.

Step-by-step explanation:

4 0
3 years ago
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