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olga55 [171]
3 years ago
9

Answers for both boxes for 25 points​

Mathematics
1 answer:
Sav [38]3 years ago
8 0

Step-by-step explanation:

gave you in Photo..... please do mark as brainlist

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The following statement is either true​ (in all​ cases) or false​ (for at least one​ example). If​ false, construct a specific e
matrenka [14]

Answer:

False, counterexample below

Step-by-step explanation:

Denote the unit vectors of R^3 by e_1=(1,0,0), e_2=(0,1,0), e_3=(0,0,1). Now consider v_1=e_1, v_2=2e_1 and v_3=e_3. We have that v_1, v_2,v_3 \in \mathbb{R}^3. Also, the vector v_3 is not a linear combination of v_1, v_2 because any linear combination of these two vectors will have third coordinate zero, but v_3 has third coordinate 1 so they can't be equal.

However, the set \{v_1, v_2,v_3\} is not linearly independent, because 2v_1-v_2+0v_3=0 is a non-trivial linear combination of these vectors that equals zero.

4 0
3 years ago
The parabola is swached vertically by a factor of 5.
kobusy [5.1K]

Answer:

answer below

Step-by-step explanation:

I think you mean "squashed" or "stretched" vertically by a factor of 5.

f(x) is the original parabola equation

g(x) = 5f(x) is vertically stretched by a factor of 5

(x,y) -> (x , 5y)

5 0
3 years ago
PLEASE HELP ME ASAP - WILL GIVE BRAINLIEST - 20 POINTS! THANKS!
ArbitrLikvidat [17]

Answer:

A

Step-by-step explanation:

You switch the y and x and solve for y.

y = 2x + 5

becomes

x = 2y + 5

Subtract 5 on both sides.

x - 5 = 2y

Divide 2 on both sides.

(x - 5) / 2 = y

7 0
3 years ago
Read 2 more answers
Anyone pls answer this plssssss
Arlecino [84]

Answer:

a) x= 55°

b) x= 112°

c) x= 59°

5 0
2 years ago
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Debra spends 42 minutes each day driving to work. About how many minutes does she spend driving to work each month?​
OlgaM077 [116]

Answer:

given,

time spent each day for driving to work = 42 mins time spent for driving work each month ( m ) = ?

we know ,

1 month is equal to 12 days

so,

m = 42× 12

= 504

hence, Debra spends 504 minutes driving each month.

5 0
2 years ago
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