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Oksanka [162]
2 years ago
12

100 decreased by 50% and 150 decreased by 60% Compare

Mathematics
1 answer:
sertanlavr [38]2 years ago
5 0

Answer: 60% = 60/100 = 60 ÷ 100 = 0.6. 100% = 100/100 = 100 ÷ 100 = 1.

Step-by-step explanation: Decrease number by 60% of its value. Percentage decrease = 60% × 150 New value = 150

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A 747 airplane is 762 inches tall how tall is it in feet
Bumek [7]
Divide by 12 BC it really be like that sometimes
5 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
Charlotte have 36 apple,Dylan have 1 apple and Kevin have 56 apple how many apples are left?
IRISSAK [1]

Answer:

93 apples?

Step-by-step explanation:

36 + 1 + 56 = 93 apples?

5 0
3 years ago
How do you find the measure
Korvikt [17]

Answer:

174

step-by-step explanation:

45 + 91+50=186

360-186

8 0
3 years ago
During a 12-hour period,the temperature dropped 48 degrees.How many degrees did the temperature drop each hour?
Lunna [17]

Answer:

4 degrees

Step-by-step explanation:

48 divided by 12 is 4

4 0
3 years ago
Read 2 more answers
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