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Blababa [14]
3 years ago
13

How many degrees is one rotation that will put a regular pentagon back on top of itself?

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
8 0
If you rotate about the circumcentre of a regular polygon 72° it will overlap with the original image.
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Which of the following is not a solution to the inequality graphed below?
Irina18 [472]

Answer:

C ( 1,-2)

Step-by-step explanation:

We can plot the points and see what point is not in the shaded section

8 0
3 years ago
A candle burns down at the rate of 0.5 inches per hour. The original height of the candle was 9 inches.
umka21 [38]
<span>You can get those ordered pairs subtracting 9-0.5, then that result minus 0.5 because from the rate the candle reduces its height 0.5inches per each hour.Part B: Is this relation a function? Yes, because each value of x has a single result or output in “y” (image)Part C: Yes, only difference is the time, the candle reduces its height 0.45 inches per each hour, examples of ordered pairs:  (0,9)  (1,8.55) (2,8.1)</span>
8 0
4 years ago
Read 2 more answers
6 times a number is greater than 20 more than that number what are the possible values of that number
AfilCa [17]
Solve 6x>x+20.
6x-x>20
5x>20
x>4

Answer: all values of x (including decimals and irrationals) greater than 4 will satisfy the given requirement that 6 time x is greater than x+20.
4 0
3 years ago
Kimberly is ordering bath towels and washcloths for the inn where she works. The total cost of the order is T=6b+2w, where T is
Arturiano [62]

Given:

The total cost of the order is

T=6b+2w

where, T is the total cost, b is the number of bath towels, and w is the number of wash cloths.

Her budget is $85.

To find:

The constraints, so that she can order a maximum of washcloths or bath towels.

Solution:

We have,

T=6b+2w

Her budget is $85. So, total cost is less than or equal to 85.

6b+2w\leq 85       ...(i)

For maximum number of bath towels, the number of wash cloths is 0.

6b+2(0)\leq 85

6b\leq 85

Divide both sides by 6.

b\leq \dfrac{85}{6}

b\leq 14.167

For maximum number of wash cloths, the number of bath towels is 0.

6(0)+2w\leq 85

2w\leq 85

Divide both sides by 2.

w\leq \dfrac{85}{2}

w\leq 42.5

Therefore, the required constraints for maximum of washcloths or bath towels are w\leq 42.5 and b\leq 14.167 respectively.

3 0
4 years ago
A tapestry is 5/8 yards long and 3/10 yards high. what is the area of the tapestry?
rusak2 [61]

Answer:

3/16 yds^2

Step-by-step explanation:

To find the area multiply length by height

A = 5/8 * 3/10

   = 15/80

Divide the top and bottom by 5

   =3/16 yds^2

8 0
3 years ago
Read 2 more answers
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