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kirza4 [7]
3 years ago
13

The seventh grade class is raising money to have a class trip at the end of the year. They began the year with $1500. They now h

ave $1650 in the account. What is the percent of increase for the money the class has raised ?
Mathematics
1 answer:
Nikitich [7]3 years ago
5 0

Answer:

The percent of the increase for the money the class raised is 10 %

Step-by-step explanation:

Because if you divide 1500 by 10 you get 150 that means 150 is 10 % of 1500 and if you add 150 to 1500 you get 1650 so the increase of money the class raised is 10 %

I hope this helped :)

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Y_Kistochka [10]

THE ANSWER IS -10P.

Step-by-step explanation:

USING BY MULTIPLICATION RULE.

minus × plus = minus

then minus × minus = plus.

so we add the 4p+6p= -10p.

why -10p is come it means THE BIGGER NUMBER SIGN IS MINUS. So it's comes -10p.

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3 years ago
Write a sine function that has an amplitude of 5, a midline of 3 and a period of 1/8.
vodomira [7]

Answer:

y=5sin(16pix)+3

Step-by-step explanation:

Amp=5 means our curve is either y=5sin(bx+c)+d or y=-5sin(bx+c)+d.

y=sin(x) has period 2pi.

So y=sin(bx) has period 2pi/b.

We want 2pi/b=1/8.

Cross multiplying gives: 16pi=b

y=5sin(16pix+c)+d

d=3 since we want midline y=3.

y=5sin(16pix+c)+3

We can choose c=0 since we aren't required to have a certain phase shift.

y=5sin(16pix)+3

6 0
3 years ago
Very confused on this one :/ 72 points
bezimeni [28]

Answer:

I personally don't know how to answer.. but it wants you to write the answer in function notation.

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Step-by-step explanation:

4 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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sasho [114]
Equal, actually since you're stating that those 10 students hopped that total distance.
5 0
3 years ago
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