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Ket [755]
3 years ago
5

What temperature is 15 degrees lower than 7degrees

Mathematics
2 answers:
BabaBlast [244]3 years ago
8 0
15 degrees lower than 7 degrees means that we have to subtract.

So we have 7 degrees and it wants 15 degrees lower, so we would do 7 - 15

And so 7-15 = -8

So 15 degrees lower than 7 degrees would be -8 degrees. :)

Viktor [21]3 years ago
5 0
15 lower than 7 is 7-15 or -8 degrees
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Maria want to make a footstool in the shape of a cylinder, as show below. She wants to fill the footstool with foam and cover it
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Answer:

She'll need 8143 cubic inches of foam and 1,809.6  square inches of fabric.

Step-by-step explanation:

Assuming you want to know how much foam and fabric she will need...

First the foam... so we need to determine the volume of that footstool.  The Volume of a cylinder is given by:

V = π * r² * h

So, we plug in the numbers:

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Now for the fabric... we'll assume Maria wants to cover the side of the stool and the top, but not the bottom.

The side of the stool is basically a rectangle of width of 18 inches and a length of the circumference of the base of the stool.  The circumference is given by: C = 2 π * r of course, so C = 24π = 75.14 inches.

So the lateral surface of the cylinder is:

LS = 18 * 75.14 = 1,357.2 sq inches.

Then we need to calculate the area of the top... which is easy:

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3 years ago
What is the domain of the function y=2/3 + x?
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If the terms at Chase Bank are a 10% down payment, an interest rate of 4%, a 30-year conventional mortgage and 3 points to be pa
dangina [55]

Answer:

  • closing cost: $13,335
  • payment: $451.16
  • total cost: $175,751.68

Step-by-step explanation:

<u>Step 1</u> - compute the down payment

  10% × $105,000 = $10,500

<u>Step 2</u> - compute the loan amount

  $105,000 -10,500 = $94,500

<u>Step 3</u> - compute the cost of the loan and closing costs

The cost of the loan is 3% of the loan value:

  3% × $94,500 = $2835

This amount added to the down payment gives the closing costs:

  closing cost = $10,500 +2,835 = $13,335

<u>Step 4</u> - compute the monthly payment

For this, we use the amortization formula for payment A on principal P at interest rate r for n years:

  A = P(r/12)/(1 -(1 +r/12)^(-12n))

  A = $94,500(.04/12)/(1 -(1 +.04/12)^(-12×30)) ≈ $451.16 = monthly payment

<u>Step 5</u> - compute the amount repaid on the loan

  total of payments = 30×12×$451.16 ≈ $162,416.68

For this calculation, we use the full-precision value of the loan payment, not the value rounded to cents found in step 3. Doing that approximates the effect of the adjustment that will be made in the final payment of the loan.

<u>Step 6</u> - find the total cost of the home

The loan repayment amount is added to the closing costs:

  $162,416.68 +13,335 = $175,751.68 = total cost paid

_____

<em>Comment on Step 5</em>

You may find the required answer for total repayment amount is $0.92 higher, $175,752.60. The total amount of 360 payments of 451.16 is $162,417.60, which is higher than the amount shown above in Step 5.

Since the monthly payment amount is rounded <em>up</em> to the nearest penny, loan repayment is actually very slightly faster, so the final payment does not need to be the full amount of $451.16. In real life, the bank will let you know the final payment amount, or will refund the difference after the last payment.

8 0
3 years ago
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