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3 years ago

Brainly please show steps

Mathematics

1 answer:

Alex Ar [27]3 years ago

7 0

Answer:

47.145

Step-by-step explanation:

formula for total surface area of a cylinder is 2×3.143×radius

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What is the slope of the line that passes through the points (3, -2) and (9, -2)?

ICE Princess25 [194]

m=(-2+2)/(9-6)=0/3=0

m=0

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3 years ago

Nancy's spaghetti and meatballs recipe calls for 2 cloves of garlic the recipe makes 8 servings how much garlic is in each servi

devlian [24]

Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

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Which expression is equivalent to |a|≤3 ?

weqwewe [10]

<h3>Answer: Choice 2. $a \ge -3 \ \text{ and } \ a \le 3$ </h3>

=====================================================

Explanation:

The rule is that if $|a| \le k$ for some positive number k, then it can be written as the compound inequality $-k \le a \le k$ . This is a shorthand way of writing the two inequalities $a \ge -k \ \text{ and } \ a \le k$ combined together.

note: $-k \le a$ is the same as $a \ge -k$

From here, we replace k with 3

Therefore, $|a| \le 3$ turns into $-3 \le a \le 3$ which breaks down further to $a \ge -3 \ \text{ and } \ a \le 3$

The keyword "and" is important as we can't pick one or the other. We must pick both $a \ge -3$ and also $a \le 3$

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3 years ago

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Use the number set to answer the question.

Fantom [35]

Answer:

Step-by-step explanation:

The median is the middle value of the data set arranged in ascending order.

If there is no exact value then it is the average of the values either side of the middle.

Arrange the data in ascending order

1, 4, 6, 8, 8, 9

The middle is between 6 and 8, thus

median = $\frac{6+8}{2}$ = $\frac{14}{2}$ = 7

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3 years ago