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3 years ago

The floor of a square bedroom has an area of 169 square feet. The length of each side of the bedroom floor is__________feet.

Mathematics

1 answer:

lakkis [162]3 years ago

6 0

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Calculate the perimeter of this shape 12cm 18cm

EastWind [94]

Answer:

Step-by-step explanation:

perimeter = side 1+side 2

12+18=30

4 0

3 years ago

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F(n) = 2• (-3)^n

Mashutka [201]

Answer:

$f(1)=-6$

$f(n)=f(n-1)(-3)$

Step-by-step explanation:

We are given that

$f(n)=2\cdot (-3)^n$

We have to complete the recursive formula of f(n).

Substitute n=1

$f(1)=2\cdot (-3)$

$f(1)=-6$

$f(2)=2\cdot (-3)^2=18$

$f(3)=2\cdot (-3)^3=-54$

$\frac{f(2)}{f(1)}=\frac{18}{-6}=-3$

$\frac{f(3)}{f(2)}=\frac{-54}{18}=-3$

It forms geometric sequence because the ratio of two consecutive terms are equal.

Therefore, the recursive formula

$f(n)=f(n-1)r$

$f(n)=f(n-1)(-3)$

7 0

3 years ago

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Simplify 2^4 root 176 + 5^4 root 11

Misha Larkins [42]

Answer:

689 root 11

Step-by-step explanation:

simplify

16x4root11+5^4 root 11

64 root 11 +625 root 11

8 0

3 years ago

Can someone Distribute: -3(2x-8) -2x+4

ioda

Answer:

-8x+28

Step-by-step explanation:

-3(2x-8)-2x+4

-6x+24-2x+4

-8x+28

Hope this helps!

4 0

3 years ago

What is the value of x? 1) 10 2) 20 3) 30 4) 40

UkoKoshka [18]

Answer:

1) 10

Basic facts:

we can tell a right angle if there is a small square drawn where the angle measuring should be done

Step-by-step explanation:

Main step

90-60=30

30=3x

divide by 3

10 =x

the value of x is 10

so option 1

8 0

2 years ago

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