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laiz [17]
3 years ago
6

A rectangle has length 72 cm and it’s width 56 cm. The other rectangle has the same area as this one, but its width is 21 cm. Fi

nd the constant of variation.
Mathematics
1 answer:
Kryger [21]3 years ago
5 0

A = l*w

A = 72* 56

A= 4032


4032 = L*21

4032/21 =L

L =192


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F(1) = 5
MatroZZZ [7]

Answer:

a(7)=3645

Step-by-step explanation:

you have :

f(1) =a= 5

and from recursive rule: f(n) = r · f(n − 1) and f(n) = 3 · f(n − 1)

So r=3

then

a(n)=a*r^(n-1)

a(7)=5*3^(7-1)

a(7)=5*3^6=3645

<em>hope this helps</em>

<em />

7 0
3 years ago
Help???????????????????????????
7nadin3 [17]
Is the answer 7632? ithink i got it wrong ill check my answer
3 0
4 years ago
Use the functions to find x
suter [353]

Answer:

x = 14

Step-by-step explanation:

f(x) = 10 -  \frac{9}{2} x \\  \\ plug \: f(x) =  - 53 \\  \\  - 53 = 10 -  \frac{9}{2} x \\  \\ \frac{9}{2} x  = 10 + 53 \\  \\ \frac{9}{2} x  = 63 \\  \\ x = 63 \times  \frac{2}{9}  \\  \\ x = 7 \times 2 \\  \\ x = 14

5 0
4 years ago
Round 5.951 to the place value of the underlined digit ( underlined digit is 9)
mr Goodwill [35]

Answer:

A.) 6.0

Step-by-step explanation:

I dont explain very well, but..

if the next number is above or it is 5, then u round up

5 0
4 years ago
Please help me on this question
riadik2000 [5.3K]
The equation is 10 + 2x= 56; 56 - 10= 46; 46 ÷ 2= 23,
The answer is 23 people.

Hope this helps :)
6 0
4 years ago
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