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GarryVolchara [31]
3 years ago
5

Find 3/4ths of 40 ......................................................

Mathematics
2 answers:
Mkey [24]3 years ago
5 0
30. 

3/4 is equal to 75%, so take 75% of 40 by multiplying .75 by 40 to get 30
babymother [125]3 years ago
4 0
The answer is 30.. because you divide 40 by 4, which is 10 then you multiply by 3 which is 30..
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Which of the quadratic functions has the narrowest graph?
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6 0
3 years ago
a nutrition major at wright state was studying the relationship between carbohydrates (x) and calories (y). for example, a servi
VLD [36.1K]

Answer:

The predicted calories would be 403 calories.

Step-by-step explanation:

We have a linear regression model relating y: calories with x: carbohydrates, which has a slope of 4.0 and a y-intercept of 3.0.

Then, the model equation is:

y=4.0x+3.0

With these model we can predict the calories values for any amount of carbohydrates, within the interval within which this model is valid.

If a new food is tested, and the number of carbohydrates (x) is 100, the predicted value will be:

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6 0
3 years ago
Write the equation of a sine function that has the following characteristics.
slava [35]

Answer:

\displaystyle y = 7\sin(9\pi(x +   {1}/{4}) )

Step-by-step explanation:

we are given

  • Amplitude:7
  • Period:9π
  • Phrase shift:¼

remember that,

\displaystyle y = A \sin(B(x + C) )+ D

where A is the Amplitude

B is the Period

C is the Phase shift

D is the vertical shift

note that, since D isn't given we'll take it 0

altogether substitute:

\displaystyle y = 7\sin(9\pi(x +   {}^{1}/_{4}) )+ 0

hence,

our equation is

\displaystyle y = 7\sin(9\pi(x +   {}^{1}/_{4}) )

and we are done!

5 0
3 years ago
Read 2 more answers
Help!!!! Please I would really appreciate it
bearhunter [10]

Answer:

slope is \frac{2}{3}

y intercept is (0, -1)

3 0
3 years ago
Help math please. 10 points
Llana [10]
#12 is approximately 6.4
5 0
4 years ago
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