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HACTEHA [7]
4 years ago
5

For formula F(C)=95C+32 , C represents a temperature in degrees Celsius. Jaden is trying to convert 34 degrees Celsius to degree

s Fahrenheit using the formula. Which sentence describes his first step?
Multiply 59 by 34.

Substitute 34 for C.

Substitute 34 for F(C) .

Add 34 and 32.
Mathematics
1 answer:
Artist 52 [7]4 years ago
8 0

Answer:

hi did you ever get the answer to this question

Step-by-step explanation:


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Pls help me, the assignment is on the g00gle docs. I cant put it on here. Pls I need ligit help (remember in g00gle put o s inst
Illusion [34]
It won’t let me open it you have to change doc permissions
6 0
3 years ago
In terms of paying less in interest, which is more economical for a $150,000 mortgage: a 30-year fixed-rate at 8% or a 20-year f
Aleksandr-060686 [28]

Answer:

  • 20-year fixed-rate at 7.5%
  • $106,219.32

Step-by-step explanation:

The shorter the term, the lower the amount of interest.

The lower the interest rate, the lower the amount of interest.

The loan that has both a shorter term and a lower interest rate will cost less in interest.

___

The total of payments for the 30-year loan is 396,232.87.

The total of payments for the 20-year loan is 290,013.55.

The amount saved by taking the shorter loan is the difference of these amounts: $106,219.32.

_____

You can use an amortization formula, spreadsheet, or a financial calculator to compute the payments for each loan. The total repayment amount is the product of the monthly payment and the number of them, 360 for the 30-year loan; 240 for the 20-year loan.

3 0
3 years ago
I feel so dumb but I need help :(
RoseWind [281]

Answer:

The expression is 8 x 5 + -26.

She now has 14 dollars.

We know that she paid 8 * 5 = $40, and we know that she got $26 back, so her net total of money she has is 40 - 26 = $14.

7 0
3 years ago
The American Academy of Periodontology released a survey, revealing that 27% of US adults admit they lie to their dentist about
AnnZ [28]

Answer:

Null Hypothesis, H_0 : p = 0.27

Alternate Hypothesis, H_A : p > 0.27

Step-by-step explanation:

We are given that the American Academy of Period ontology released a survey, revealing that 27% of US adults admit they lie to their dentist about how often they floss their teeth.

Periodontist Dr. Garcia believes that the percentage seems low, so he decides to conduct his own hypothesis test to determine the true proportion.

<u><em>Let p = % of US adults who admit they lie to their dentist about how often they floss their teeth</em></u>

So, Null Hypothesis, H_0 : p = 0.27

Alternate Hypothesis, H_A : p > 0.27

Here, <u>null hypothesis states that</u> the % of US adults who admit that they lie to their dentist about how often they floss their teeth is equal to 27%.

On the other hand, <u>alternate hypothesis states that</u> the % of US adults who admit that they lie to their dentist about how often they floss their teeth seems low and is more than 27%.

Also, the test statistics that would be used for conducting this hypothesis test will be One-sample z proportion statistics.

7 0
3 years ago
Sin t sin 3t sin 5t = 1/4(-sin t + sin 3t +sin 7t - sin 9t).​
Pavlova-9 [17]

Recall that

cos(a + b) = cos(a) cos(b) - sin(a) sin(b)

cos(a - b) = cos(a) cos(b) + sin(a) sin(b)

and by subtracting the first equation from the second, we get

cos(a - b) - cos(a + b) = 2 sin(a) sin(b)

So, we can write

sin(t) sin(3t) = 1/2 (cos(2t) - cos(4t))

and expanding the left side in the original equation gives

sin(t) sin(3t) sin(5t) = 1/2 (cos(2t) - cos(4t)) sin(5t)

… = 1/2 cos(2t) sin(5t) - 1/2 cos(4t) sin(5t)

Similarly, recall that

sin(a + b) = sin(a) cos(b) + cos(a) sin(b)

sin(a - b) = sin(a) cos(b) - cos(a) sin(b)

===>   sin(a + b) + sin(a - b) = 2 sin(a) cos(b)

Then

cos(2t) sin(5t) = 1/2 (sin(7t) + sin(3t))

and

cos(4t) sin(5t) = 1/2 (sin(9t) + sin(t))

So we have

sin(t) sin(3t) sin(5t) = 1/2 cos(2t) sin(5t) - 1/2 cos(4t) sin(5t)

… = 1/2 (1/2 (sin(7t) + sin(3t))) - 1/2 (1/2 (sin(9t) + sin(t)))

… = 1/4 sin(7t) + 1/4 sin(3t) - 1/4 sin(9t) - 1/4 sin(t)

… = 1/4 (-sin(t) + sin(3t) + sin(7t) - sin(9t))

as required.

8 0
3 years ago
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