3 years ago

Find the area of a regular hexagon

Mathematics

2 answers:

8090 [49]3 years ago

6 0

Answer:

25 cm

Step-by-step explanation:

andreyandreev [35.5K]3 years ago

6 0

Answer: 25 would be the answer

Step-by-step explanation: Hope this helps vote me brainliest

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Determine if the number is a whole number, integer, or rational number. Select all sets to which the number belongs.

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Answer:

Rational,integer

Step-by-step explanation:

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3 years ago

What is the solution to this equation?

user100 [1]

Answer:
d. 21

Explanation:
Step 1 - Subtract 13 from both sides
x + 13 = 34
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3 years ago

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Alex is a member of the school track and field team. His times for running various distances are shown. Create a scatter plot fo

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Answer:

(1) Please find attached the graph of the data

(2) 160.396 m

(3) The correlation that exist is a straight line correlation

Step-by-step explanation:

The given data are;

Distance, Time

(m), (s)

50, 6.1

100, 12

150, 18.3

200, 25.2

250, 31.7

(2)

Based on the linear regression formula, we have;

$b = \dfrac{N\sum XY - \left (\sum X \right )\left (\sum Y \right )}{N\sum X^{2} - \left (\sum X \right )^{2}}$

$b = \dfrac{5 \times 17215 - 93.3 \times 750}{5 \times 2156.03 -8704.89} = 7.758$

$a = \dfrac{\sum Y - b\sum X}{N}$

$a = \dfrac{750 - 7.7581 \times 93.3}{5}= 5.234$

The line is

y = 7.7581×x+5.234

When t = 20 s, we have

y = 7.7581*20+5.234 = 160.396 m

(3) The correlation that exist is a straight line correlation

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3 years ago

4-7x +3 +5x pleas help thanks

meriva

Answer:

7−2x

Step-by-step explanation:

1 Collect like terms.

(4+3)+(-7x+5x)

(4+3)+(−7x+5x)

2 Simplify.

7-2x

7−2x

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3 years ago

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