3 years ago

The numbers - 2.6 and -2.1 as shown on the number line what is the distance between the two points

1 answer:

3 0

The distance between -2.6 and -2.1 is .5

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alexira [117]

No they are not quivalent

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2 years ago

tigry1 [53]

Answer:

C) $-\frac{47}{49}$

Step-by-step explanation:

By the cos double angle formula, we know $\cos(2\theta)=2\cos^2\theta-1.$ Substituting $\cos \theta$ into the formula, we get

$\cos(2\theta)=2(-\frac{1}{7})^2-1\\~~~~~~~~~~=\frac{2}{49}-1\\~~~~~~~~~~=\boxed{-\frac{47}{49}}$ .

The answer is C.

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1 year ago

frutty [35]

I think you forgot to add the attachment.

3 0

3 years ago

Alexxandr [17]

Answer:

x=-85

Step-by-step explanation:

x-18=-103

x=-103+18

x=-85

6 0

2 years ago

Lady bird [3.3K]

Two triangles are congruent if their corresponding sides are equal in length, and their corresponding angles are equal in measure.

6 0

2 years ago