Question

can you please help
http://prntscr.com/15hsc6

Answer 1

Is it B

Answer 2

i think so

Answer 3

While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 10 feet per second per second when the radius of the turn is 70 feet, find the acceleration the passengers feel when the radius of the turn is 140 feet.

A. 8 feet per second per second

B. 6 feet per second per second

C. 7 feet per second per second

D. 5 feet per second per second

Answer 4

Its D

Answer 5

@ganeshie8

Answer 6

Yes. D is right !

Answer 7

http://prntscr.com/15iubq

Answer 8

@jim_thompson5910

Answer 9

what did you get

Answer 10

http://prntscr.com/15iubq

Answer 11

is it D

Answer 12

@jim_thompson5910

Answer 13

very good

Answer 14

Find the y-intercept for the graph of the quadratic function.

y + 4 = (x + 2)2

A. (0, 4)

B. (0, 0)

C. (4, 0)

D. (0, -4)

Answer 15

Its B

Answer 16

is that (x+2) squared?

Answer 17

if so, then yes it's B

Answer 18

yep

Answer 19

http://prntscr.com/15iwp9

Answer 20

find all values of x that make the denominator 0

Answer 21

Is it D

Answer 22

no, solve x(x-4)=0

Answer 23

so its C

Answer 24

@jim_thompson5910

Answer 25

better

Answer 26

its is right

Answer 27

yes

Answer 28

C is right

Answer 29

x varies inversely as y2, and x = 4 when y = 10. Find x when y = 2.

A. x = 16

B. x = 5

C. x = 80

D. x = 100


Its D

Answer 30

oh wait, i'm sry the x-4 terms will cancel

my bad

only x = 0 is an asymptote, but that's not an answer choice...hmm

Answer 31

oh then

Answer 32

D) 100 is correct

Answer 33

A rain gutter is made from sheets of aluminum that are 18 inches wide by turning up the edges to form right angles. Determine the depth of the gutter that will maximize its cross-sectional area and allow the greatest amount of water to flow.

A. 5 inches

B. 4 inches

C. 4.5 inches

D. 5.5 inches

Answer 34

its C

Answer 35

and for this one we can go with C right
http://prntscr.com/15iwp9

Answer 36

one sec

Answer 37

C) 4.5 inches is correct

Answer 38

idk what to do with the vertical asymptote one, the correct answer isn't listed

Answer 39

http://prntscr.com/15j0fj

Its D

Answer 40

@jim_thompson5910

Answer 41

x varies inversely as v, and x = 48 when v = 8. Find x when v = 64.

A. x = 6

B. x = 64

C. x = 8

D. x = 48

its A

Answer 42

yep

Answer 43

@jim_thompson5910

Answer 44

http://prntscr.com/15j11l
Its A

http://prntscr.com/15j0fj

Its D

Answer 45

are my answers correct

Answer 46

@jim_thompson5910

Answer 47

both are correct, very nice work on all of them

Answer 48

If the force acting on an object stays the same, then the acceleration of the object is inversely proportional to its mass. If an object with a mass of 9 kilograms accelerates at a rate of per second per second by a force, find the rate of acceleration of an object with a mass of that is pulled by the same force.

A. 3 meters per second per second

B. 27 meters per second per second

C. 18 meters per second per second

D. 24 meters per second per second

Answer 49

i dont know how to solve this one

Answer 50

@jim_thompson5910

Answer 51

the acceleration is missing

Answer 52

http://prntscr.com/15j44j

Answer 53

last one

Answer 54

yep

Answer 55

and it's actually A (no) instead of B (yes)

Answer 56

no by last one, i meant this is the last one I'm going to help with

Answer 57

ok

Answer 58

can you tell me in the 2nd last question which formula will we be using

Answer 59

@jim_thompson5910

Answer 60

http://prntscr.com/15mnej

Answer 61

@phi