3 years ago

The steps below show the incomplete solution to find the value of y for the equation 4y – 2y – 4 = –1 + 13:

Mathematics

1 answer:

Sunny_sXe [5.5K]3 years ago

5 0

You add the 4 to both sides of the equation.

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Find the reciprocal 8

love history [14]

-1/8 is your answer

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The area of a square is 84 square inches. What is the length, in inches, of one side of the square? Represent your answer using

Crazy boy [7]

The are of a square is determined by squaring the side. And the length will hence, be determined by square rooting the area.
∴ length of this square is = √84 = 9.165

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3 years ago

Find a unit vector in the same direction as the given vector: v = −14.5i + 2.5 j.

Elis [28]

ANSWER

$- \frac{29}{866} \sqrt{866} i + \frac{5}{866} \sqrt{866} j$

EXPLANATION

The given vector is v = −14.5i + 2.5 j.

The magnitude of this vector is

$|v| = \sqrt{ {( - 14.5)}^{2} + {2.5}^{2} }$

$v| = \sqrt{ {( - 14.5)}^{2} + {2.5}^{2} }$

$v| = \sqrt{ 216.5} = \frac{ \sqrt{866} }{2}$

The unit vector in the direction of this vector is

$= \frac{v}{ |v| }$

$= - \frac{14.5}{ \frac{ \sqrt{866} }{2} } i + \frac{2.5}{ \frac{ \sqrt{866} }{2} } j$

$= - \frac{29}{866} \sqrt{866} i + \frac{5}{866} \sqrt{866} j$

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3 years ago

A bag contains 7 apples and 5 oranges. If you select 7 pieces of fruit without looking, how many ways can you get 7 apples?

Nataly_w [17]

Answer:

their is a 7/12 chance that u will get a apple out the bag

Step-by-step explanation:

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Please help me ! It would be greatly appreciated

konstantin123 [22]

The second and third one are correct

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