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2 years ago

Expand (n+5)*2 by using the perfect square pattern

Mathematics

1 answer:

mario62 [17]2 years ago

8 0

N^2 + 25 if you mean *2 is squared.

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Can someone help me and please explain how you did it

nikitadnepr [17]

Answer:

Radius: 7

Diameter: 14

Area Formula: π r^2

Area Answer: 154 ft^2

Step-by-step explanation:

Radius: 14/2 = 7

The radius is always half the diameter.

Area Work

A = π(7)^2

A = π(49)

A = 153.9380 ft^2

3 0

2 years ago

Question 5 (1 point)

riadik2000 [5.3K]

Answer:

The area of sector AOB is 75.36 unit²

Step-by-step explanation:

Consider the provided information.

Circle O with minor arc AB=60 degrees and OA =12.

We need to find the area of sector.

Area of the sector: $A=\frac{\theta }{360} \times \pi r^2$

Substitute $\theta=60$ and r =12 in above formula.

$A=\frac{60}{360} \times 3.14\times (12)^2$

$=\frac{1}{6} \times 3.14\times 144$

$=24\times 3.14$

$=75.36$

Hence, the area of sector AOB is 75.36 unit²

8 0

3 years ago

What is the relationship between the 6's in the number 6647

marta [7]

We can break down the number 6647 into:
6647=6000+600+40+7
The first 6 in the number is in the thousands place (6,000), and the second 6 is in the hundreds place (600).
The first 6 is 10 times greater than the second one.

8 0

3 years ago

Which equation can you use to solve for figure shown?

DIA [1.3K]

Hey mate

Here is ur answer ...

I hope it'll help ....

4 0

3 years ago

Read 2 more answers

F(x) = 4x - 1<br> g(x) = x2 - 4x<br> Find f(g(3))

nasty-shy [4]

Answer:

-13

Step-by-step explanation:

hello,

Replace x by the value as below

$g(3)=3^2-4\times3=9-12=-3\\f(g(3))=f(-3)=4\times(-3)-1=-12-1=-13\\$

Thanks

5 0

2 years ago