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3 years ago

Dados os vectores ⃗⃗ = (2, −4), ⃗ = (−5, 1) e ⃗⃗ = (−12, 6), determinar 1 e 2 tal que

Mathematics

1 answer:

Ostrovityanka [42]3 years ago

3 0

sus sus sus sus sus sus sus sus sus sus sus sus sus sus sus sus

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Financial Literacy Sandy has $200 in her bank account. a. If she writes 6 checks for exactly 19.98, what expression describes th

sveta [45]

She would be withdrawing moey from her account or subtracting it (-)

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3 years ago

SOMEONE PLEASE PLEASE HELP I NEED THE ANSWERS YO BOTH PF THESE PLEASE

ella [17]

Answer:

1. c; 2. d

Step-by-step explanation:

1. 2*3 = 6

2. (1.43*1000)p + (2.2*1000) = (-4.001*1000)

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2 years ago

I need help answering the question in the picture provided

adoni [48]

answer:

(a).

Equation of circle is x² + y² - 25 = 0

(b).

(-5, 0) » yes

(√7, 1) » no

(-3, √21) » no

(0, 7) » no

Step-by-step explanation:

(a).

If centred at origin, centre is (0, 0)

General equation of circle:

${ \boxed{ \bf{ {x}^{2} + {y}^{2} + 2gx + 2fy + c = 0}}}$

but g and f are 0:

${x}^{2} + {y}^{2} + c = 0 \\ but : \\ c = {g}^{2} + {f}^{2} - {r}^{2} \\ c = { - 25}$

8 0

3 years ago

Which expression represents "5 times the sum of 4 and y?"

Mkey [24]

Answer:

5 x (4+y)

Step-by-step explanation:

8 0

3 years ago

Another one pls help!!

Mumz [18]

Answer:

21/41

Step-by-step explanation:

Find the total number of students

6+7+2+3+6+8+4+5=41

Then find the students that do not study chemistry

6+7+2+5 = 20

P( not study chemistry) = do not study chem)/total

=21/41

5 0

3 years ago