3 years ago

Help meeeeee lollljjeksnmske

Mathematics

1 answer:

jarptica [38.1K]3 years ago

8 0

Answer:

im so bad at math im sorryyy

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The sampling distribution of a statistic _________. Group of answer choices gives all the values a statistic can take gives the

Bumek [7]

Answer:

all of the options

Step-by-step explanation:

A sampling distribution is a probability distribution, gives the probability of getting each value and all values a statics can take. It is arrived out through a repeated sampling form of a large population. It truly exists as a population.

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3 years ago

Which expression is equivalent to 7(a+2) when a=6? 7(6) 9(6) 7(6)+2 7(6)+14

Pie

It is equivalent to 7(6) + 14

Step-by-step explanation:

Step 1: Solve 7(a + 2) when a = 6

⇒ 7 (6 + 2) = 7 × 8 = 56

Step 2: Find its equivalent

7(6) + 14 = 42 + 14 = 56

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3 years ago

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What is the simplest form of the expression (14.2a + 9.8b) – (13.1b – 0.2a) – (3.7a + 4.8b)?

Wewaii [24]

(14.2a + 9.8b) - (13.1b - 0.2a) - (3.7a + 4.8b)
14.2a + 9.8b - 13.1b + 0.2a - 3.7a - 4.8b
(14.2a + 0.2a - 3.7a) + (9.8b - 13.1b - 4.8b)
10.7a - 8.1b

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3 years ago

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The number of students in a class is 60. The number of boys is seven-fifths the number of girls. Find the number of boys in the

Fynjy0 [20]

Step-by-step explanation:

Let the number of girls = x

Therefore, no. of boys = $\frac{7}{5} \times x$

$\because \: no \: of \: boys + no \: of \: girls \: = 60 \\ \\ \therefore \: \frac{7}{5} x + x = 60 \\ \\ \therefore \: \frac{7x + 5x}{5} = 60 \\ \\ \therefore \: \frac{12x}{5} = 60 \\ \\ \therefore \: x = 60 \times \frac{5}{12} \\ \\ \therefore \: x = 5 \times 5 \\ \\ \therefore \: x = 25 \\ \\ \therefore \: \frac{7}{5} x = \frac{7}{5} \times 25 = 7 \times 5 = 35 \\$

Thus, no of boys in the class is 35.

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3 years ago

4/5-1/3 What is the answer

Minchanka [31]

Answer:

7/15

Step-by-step explanation:

yeah

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3 years ago

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