3 years ago

Which of these pairs of events are dependent?

Mathematics

1 answer:

Pani-rosa [81]3 years ago

8 0

Answer:

the first one

Step-by-step explanation:

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Estimate 1/4 times 21

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Answer:

63/4 or 15.75 or 153/4.

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3 years ago

The side of an Equileteral triangle is 12cm. What is its Area?

elena55 [62]

Answer:

A = 62.35 cm²

Step-by-step explanation:

Use the area formula A = $\frac{\sqrt{3}a^2}{4}$ , where a is the side length.

Plug in the values:

A = $\frac{\sqrt{3}(12^2)}{4}$

A = $\frac{\sqrt{3}(144)}{4}$

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Step-by-step explanation:

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What is the value of the expression below? (4/5+3/5)+3.5x5<br>

lisov135 [29]

Answer:

18.9

Step-by-step explanation:

Start with parentheses.

4/5 + 3/5 = 7/5

Simplify 7/5, 7/5 = 1 2/5

Next numbers.

3.5 x 5 = 17.5

Add.

17.5 + 1 2/5 = 18.9

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2 years ago

These two triangles can be shown to be congruent using which transformation?

Vladimir [108]

Answer:

This is B) A reflection over the y-axis.

Step-by-step explanation:

You can tell this in a picture due to the fact that each point on the corresponding triangle is equidistant from the y-axis. Take the point at the bottom for instance. In both pictures, it is 2 spaces away from the y axis.

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3 years ago