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3 years ago

If the sum of the interior angles of a polygon is 540, then how many sides does the polygon have?

1 answer:

8 0

Number of Sides = (Sum of Interior Angles ÷ 180) + 2
Number of Sides = (540/180) + 2
Number of Sides = 3 + 2
Number of Sides = 5
answer is A

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An 8-foot by 5-foot section of wall is to be covered by square tiles that measure 4 inches on each side. If the tiles are not cu

ExtremeBDS [4]

Answer:

30 tiles

Step-by-step explanation:

SO we need to find the area of the wall so we do

8 feet * 5 feet = 40 feet squared

then we find that area in inches

40*12=480

Now we find the area of the tiles

4*4=16

So now we divide to find how many tiles are needed

480/16=30

Our answer is 30

6 0

2 years ago

What is the solution to this inequality? -13x < 65

xeze [42]

Answer:

x > -5 or x = (-5, + oo)

Step-by-step explanation:

-13x < 65
x > - 65/13
x > -5
x = (-5, + oo)

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3 years ago

Verbal expression x to the third power times y to the 4th power???

Molodets [167]

Step-by-step explanation:

First;

x to third power=x³

y to 4th power=y⁴

According to condition:

expression=x³ × y⁴

=x³y⁴

3 0

2 years ago

Suppose that the handedness of the last fifteen U.S. presidents is as follows:40% were left-handed (L)47% were Democrats (D)If a

lesantik [10]

Answer: Option 'c' is correct.

Step-by-step explanation:

Since we have given that

Probability that they were left handed P(L)= 40%

Probability that they were Democrats P(D)= 47%

So, P(L∩D) = 135 = 0.13

Now, to check whether they are independent or not.

We will find P(L) × P(D) is given by

$P(L)\times P(D)=0.47\times 0.40=0.188$

Since P(L) . P(D) ≠ P(L∩D)

So, they are not independent.

Hence, Option 'c' is correct.

3 0

3 years ago

Does anybbody know the answer to this? #help

Gwar [14]

Answer:

each tube costs $1.5 so put it the point in between 1 and 2

thank you

Step-by-step explanation:

5 0

2 years ago