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saul85 [17]
3 years ago
6

3. Find the exact area and circumference of a circle whose diameter is 8 meters. Show your work.

Mathematics
1 answer:
zhenek [66]3 years ago
4 0

Answer:

area = 50.27

circumference = 25.13

Step-by-step explanation:

area

pi x radius²

pi x 4² = 50.27

circumference

pi x diameter = 8 pi

8 pi = 25.13

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PLSSS ANSWER, 35 pointss
xxTIMURxx [149]

Answer:

1.

(y - 5)(x + y)

2.

{(x - y)}(x - y   + a)

3.

(b - 3)(5b - 17)

Step-by-step explanation:

1. The given polynomial is

x(y - 5) - y(5 - y)

We need to factor the second part to get:

x(y - 5)  +  y(y - 5)

We factor y-5 to obtain:

(y - 5)(x + y)

2. We have

{(x - y)}^{2}  - a(y - x)

We again factor -1 from the second part to get:

{(x - y)}^{2} +  a(x- y)

We now factor x-y to get:

{(x - y)}^{2}   + a(x- y)

{(x - y)}(x - y   + a)

3. We have

2(3 - b) + 5 {(b - 3})^{2}

We factor negative 1 from the first part to get

- 2(b - 3) + 5 {(b - 3})^{2}

We now factor b-3 to get:

(b - 3)( - 2 + 5(b - 3))

We now simplify to get:

(b - 3)( - 2 + 5b - 15) = (b - 3)(5b - 17)

4 0
3 years ago
A right rectanular prism has a length of 2 a width of 4 and a height of 5. How many unit cubes can fit in the prism
-Dominant- [34]

Answer:

40

Step-by-step explanation:

4 x 2 = 8 x 5

l x w x h

or

Bxh

7 0
2 years ago
Classify the following triangle check all that apply
sweet [91]

Answer:

B. Obtuse triangle

Step-by-step explanation:

The following triangle is an obtuse triangle.

7 0
3 years ago
Read 2 more answers
What’s the answer???
stellarik [79]

Answer: (3,4)

Each input can only have one output for a function

The other pairs give a different output for the input so that would make it a relation not a function.

7 0
3 years ago
What is the slope of a horizontal line
Step2247 [10]

Answer:

0

Step-by-step explanation:

8 0
3 years ago
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