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jonny [76]
3 years ago
12

Can someone help confirm my work?

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
4 0
You have the intercepts and x-coordinate of the vertex correct. There appears to be a math error in the calculation of the y-value of the vertex.

f(7/8) = (4*7/8 -7)*(7/8) -15 = -49/16 -15 = -289/16 = -18.0625

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Please help me solve this! I’ve been stuck for ages! Thankyou
polet [3.4K]

Answer:

y = sin(x- pi/2)

Step-by-step explanation:

Please see the attached image to see your graphs.

By simple inspection we can see that the sine is shifted pi/2 to the right.

We know this because sines are periodic functions with a period T = 2*pi

We can also see that the maximum point of the graph (y = 1) got shifted by a fourth of the period.

And finally, since we want to shift the graph to the right, we need to substract from the argument of the sine term.

7 0
3 years ago
A drama class has a total of 39 students. The number of males is 9 more than the number of females. How many males and how many
Artist 52 [7]

Answer:

Step-by-step explanation:M+F=39

M+F=39

F=M-9

Substitute

M + M - 9 = 39

2M = 48

M=48/2

M=24

24+F=39

F=39-24=15

F=15, M=24

3 0
3 years ago
Read 2 more answers
The sum of the digits is 11. When rounded to the nearest hundred, it's 500. Rounding to the nearest 10 makes it 530. What's the
kupik [55]
If rounded to the nearest 10 is 530, then this number must be between 525 and 534. The only one which digits sum up to 11 is 533.
4 0
4 years ago
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Please help I'm stuck :/
Serggg [28]
Easy so just Take 4.50 and I said by 1.50 which one you're going to get three more bags of three need times it by 108÷10 and then that will just be one box and then all you have to do is just find the other boxes with that number so
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3 years ago
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36 pints of paint. They need divided into 11 small containers. If they are poured equally, how many pints of paint would b in ea
JulsSmile [24]

Answer:

3.27 pints

Step-by-step explanation:

36 divided by 11 = 3.27 pints

7 0
3 years ago
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