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slavikrds [6]
3 years ago
5

Math assignment I need help ASAP

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
6 0

Answer:

Option B: -4 - 15x - 10 + 4x = -45

Step-by-step explanation:

The second step of the equation is to distribute 5 to the numbers in the parenthesis

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At the start of a tennis match Ivan had 28/32 quart of water in his water bottle. He drank water from the bottle during the matc
const2013 [10]

Answer:

5/8 of a quart.

Step-by-step explanation:

That would be 28/32 - 1/4

= 28/32 - 8 /32

= 20/32  

= 5/8 of a quart.

5 0
3 years ago
I neeeed helppppppp pleaseeee
Artist 52 [7]

Answer: 6144m^2

Step-by-step explanation:

4 0
3 years ago
WORTH 19 POINTS!!
marta [7]
You have to make a cos graph that starts its minimum and of -2, has an amplitude of 10, a period of 10 and  a maximum of 18.
I decided to use a cos graph since cos graphs start at their minimum or maximum unlike a sine graph that starts halfway between the minimum and maximum.  You also know the amplitude has to be 10 since 18+2=20 and 20/2=10.  We were also told that the water wheel completels a rotation every 10 minutes which means the period is 10 minutes.

lets start of with a regular cos(x) graph.  This starts on its maximum instead of minimum so we have to multiply it by -1 to get -cos(x) which does start on its minimum.

-cos(x) has an amplitude of 1 instead of 10, to fix that we multiply it by 10 to get -10cos(x) which has an amplitude of 10.
 
-10cos(x) has a period of 2π instead of 10, to fix this we multiply the x by 2π/10 to get -10cos((π/5)x) which now has a period of 10.

-10cos((π/5)x) has a minimum of -10 and maximum of 10 instead of a minimum of -2 and maximum of 18, to fix this we add 8 to -10cos((π/5)x) to get -10cos((π/5)x)+8 which does have a minimum of -2 and maximum of 18.

Therefore the answer is y=-10cos((π/5)x)+8. x being time in minutes and and y being the height in feet.  

I hope this helps.  Let me know if anything is unclear.
8 0
3 years ago
Please someone solve for X, I don’t think it needs rounding but I couldn’t come up with an answer.
agasfer [191]

Answer:

x= 10 In (17)

Step-by-step explanation:

5 0
3 years ago
PLEASE HEEELPPP 15 POINTS PLESSEE
sergeinik [125]
Answer:

200.96 yd^2

Step-by-step explanation:

Area of a circle = πr^2 where r = radius

radius = diameter/2

radius = 16/2

radius = 8

Area = π(8)^2

Area = π64

Area = 200.96 yd^2
6 0
2 years ago
Read 2 more answers
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