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Andre45 [30]
3 years ago
14

PLEASE HELP!! Also the last option is 4 units left and 3 units down

Mathematics
1 answer:
sergeinik [125]3 years ago
7 0

Answer:

B

Step-by-step explanation:

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Whats 8.398 x 10 ^-2 in standard notation
Neko [114]
It is 9872.6 your welcome
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3 years ago
Determine whether u and v are orthogonal, parallel, or neither.u = <15,45>
sweet-ann [11.9K]
Take the dot product, if the dot product is zero, they are orthogonal 

<span>the dot product here is 15(-5) + 45(12) so the vectors are not orthogonal </span>

<span>to see if they are parallel, take the dot product again, using the definition </span>

<span>u dot v = mag u x mag v cos (theta) where mag is the magnitude of the vector and theta is the angle between them </span>

<span>we know from above that u dot v = 465 </span>

<span>mag u = sqrt[15^2+45^2]=47.43 </span>
<span>mag v = sqrt[5^2+12^2]=13 </span>

<span>so we know: </span>

<span>cos(theta) = 465/(47.43x13) = 0.75 </span>
<span>
so theta = 41 deg</span>
8 0
3 years ago
MONEY Amanda has $31 in her purse. She pays $6 for lunch. Which expression represents this situation?
anastassius [24]
( B) 31 + ( -6) is the answer
8 0
3 years ago
Patti went to the bakery. She bought a loaf of bread for $3.49, 6 muffins that cost $1.25 each, and a bottle of juice for $1.79.
Maslowich

Answer:

7.22

Step-by-step explanation:

3.49+7.50+1.79= 12.78

20.00 -12.78=7.22

8 0
3 years ago
More maths im not good at :( i will mark as brainliest if you help
allochka39001 [22]

Answer:

1

Step-by-step explanation:

Hopefully this is correct. say your starting point is {B} and want to go to {A}. clockwise is always to the left and the mark {B} is on a 90 degree angle both ways. so you would need to go 90 degrees clockwise to get around to A.    

I am just a middle schooler hopefully this piece of information may help you figure it out.

4 0
3 years ago
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