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Dennis_Churaev [7]
3 years ago
14

Write and evaluate the expression. Then, complete the statements. nine more than the product of seven and a number, decreased by

three The expression to model the situation is . The value of the expression when n = 8 is .
Mathematics
2 answers:
grin007 [14]3 years ago
8 0

Answer:

9 + 7n - 3 ;

61 ;

Step-by-step explanation:

Let the number = n

9 + 7*n - 3

Hence, the expression is :

`9 + 7n - 3

If the number,n = 8

The value of the expression becomes :

9 + 7(8) - 3

8 + 56 - 3

= 61

lukranit [14]3 years ago
7 0

Answer:

nine more than the product of seven and a number, decreased by three

 

The expression to model the situation is  

✔ 9 + 7n – 3

.

The value of the expression when n = 8 is  

✔ 62

.

Step-by-step explanation:

on edge

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Find the circumference of a circle that has an area of 452.16 square meters. (Use 3.1416 as the value of π.)
laila [671]
\bf \textit{area of a circle}\\\\
A=\pi r^2\quad 
\begin{cases}
r=radius\\
-----\\
A=452.16
\end{cases}\implies 452.16=\pi r^2\implies \cfrac{452.16}{\pi }=r^2
\\\\\\
\boxed{\sqrt{\cfrac{452.16}{\pi }}=r}\\\\
-------------------------------\\\\
\textit{circumference of a circle}\\\\
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so, is just that product, recall to use "<span>3.1416 as the value of π".</span>
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