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3 years ago

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alexira [117]3 years ago

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no u may nit know this answet

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Determine whether b is in the column space of A. If it is, then write b as a linear combination of the column vectors of A. (Use

mihalych1998 [28]

Answer:

b=(13/4, -27/4, -4)

Step-by-step explanation:

A.x=b

x=(a, b, c)

a - b + 2c = 2

3a + b + 0 = 3

0 + 0 + c = -4

solving this system

c=-4

a-b=10, 3a+b=3

a=10+b, 3(10+b)+b=3

b=-27/4

a=10-27/4

a=13/4

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4 years ago

PLEASEE HELP FASTTT :(( Suppose point Tis between points R and V on a line. If RT = 6.3 units and RV = 13.1 units, then

topjm [15]

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6.8

Step-by-step explanation:

simply subtract the length of RT from RV

13.1 - 6.3

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4 years ago

Tracey paid $165 for an item that was originally priced at $570. What percent of the original price did Tracey pay? Round to the

kirza4 [7]

Answer:

<h2>28.9%</h2>

Step-by-step explanation:

$\frac{165}{570}$ = 0.2894

multiply by 100 to turn into percentage

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3 years ago

2<br> 6-2___ help please <br> 7<br> (30points)

serg [7]

6 - 2 2/7 =
6 - 16/7 =
42/7 - 16/7 =
26/7 or 3 5/7

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3 years ago

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3<br> f(0) = y =<br> = y = 8 + 1

Archy [21]

Answer:

what does y equal? please go in depth

Step-by-step explanation:

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3 years ago

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