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3 years ago

HELP ME PLEASE I BEG YOU

Mathematics

2 answers:

Oduvanchick [21]3 years ago

7 0

3) 48
4) 15
5) 8
6) 10.5
7) 81.6
8) 108 ft squared
9) 289 ?
10) 425

ollegr [7]3 years ago

5 0

Question 3 is 48
Question 4 is 45

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CHANGE TO STANDARD FORM<br><br> y = -2/5x + 1/10<br><br> y = -3x

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Y=-2/5x+1/10=4x+10y=10
y=-3x=3x+y=0
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3 years ago

10) what is the algebraic expression for the following word phase : the sum of 5 and 2x?

Anon25 [30]

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2 years ago

Read 2 more answers

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

AHHHHHHH HHHHEEEEEEEELLLLLLLLLPPPPPP

Musya8 [376]

7/2

The expression that best estimates 6 3/4 divided by 1 2/3 is 7/2. 6 3/4 (or 6.75) divided by 1 2/3 (or 1.66...) comes out to 4 1/20 (or 4.05). The closest value to this in the options available is 7/2 (or 3.5). This answer is only .55 away from the correct value, while the rest of the options are far less close.

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3 years ago