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3 years ago

Look below at the image provided.

Mathematics

1 answer:

vesna_86 [32]3 years ago

5 0

That would be angle 2. It is on the opposite of angle 7 and it is inside the two parallel lines

Hope this helped!

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The value of x + x(xx) when x = 2 is:<br><br> (a) 10, (b) 16, (c) 18, (d) 36, (e) 64

brilliants [131]

Answer:

(a)

Step-by-step explanation:

x + x(xx)

Put the value of x = 2 in the above expression we get,

2 + 2(22)

= 2 + 2(2 × 2)

= 2 + 2(4)

= 2 + 8

= 10

Answer: (a)

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2 years ago

Part B:

Marina86 [1]

Negative 72.75 is your product. It is very simple once you understand it.

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2 years ago

What is the percent decline, to the nearest whole number, of rusty patched bumble bees from 20 years ago to today?

Andrej [43]

Sasuke is pretty cool

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3 years ago

Read 2 more answers

The histogram shows the distribution of hurricanes that have hit a country from 1851 through 2015, where 1 is the weakest level

aleksandrvk [35]

Answer:

a) mean = 0.2

variance = 0.0391

standard deviation = 0.198

b) The average hurricane is aprox. category 2.* (B)

Step-by-step explanation:

In order to find the mean, variance, and standard deviation, let us for a table for the data:

level x

1 0.411

2 0.278

3 0.221

4 0.080

5 0.010

Calculating the mean ( $\bar{x}$ )

$\bar{x} = \frac{x_1+x_2+x_3+x_4 + x_5}{n}\\\\\bar{x} = \frac{0.411 + 0.278 + 0.221 + 0.080 + 0.010}{5}\\\bar{x} = \frac{1}{5}\\ \bar{x} = 0.2$

∴Mean = 0.2

level x $x- \bar{x}$ $(x - \bar{x})^2$

1 0.411 0.211 0.0445

2 0.278 0.078 0.0608

3 0.221 0.021 0.000441

4 0.080 -0.12 0.0144

5 0.010 -0.19 0.0361

$\sum(x - \bar{x})^2 = 0.1562$

$variance = \frac{\sum(x - \bar{x})^2}{n-1} \\variance = \frac{0.1562}{4} \\variance = 0.0391$

standard deviation = √(variance)

Standard deviation = √(0.0391)

Standard deviation = 0.198

b) the average hurricane is aprox. category 2 (B)

8 0

3 years ago

6. Explain the difference between “4 times the sum of x and y” and “the sum of 4 times x and y

ANEK [815]

Answer:

Step-by-step explanation:

"4 times the sum of x and y" is 4(x+y). " the sum of 4 times x and y" is 4x+y.

8 0

3 years ago