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atroni [7]
2 years ago
5

2.A weather station on the top of a mountain reports that the temperature is currently 0°C and has been falling at a constant ra

te of 3°C per hour. If it continues to fall at this rate, find each indicated temperature.
a.What will the temperature be in 2 hours?
b.What will the temperature be in 5 hours?
c.What will the temperature be in half an hour?
d.What was the temperature 1 hour ago?
e.What was the temperature 3 hours ago?
f.What was the temperature 4.5 hours ago?
Mathematics
2 answers:
Over [174]2 years ago
6 0
A) -6
b) -15
c) -1.5
d) 3
e) 9
f) 13.5
Marina CMI [18]2 years ago
5 0
I would say b, it’s that’s not right it’s definitely d!! Hope this helped!!!
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Mark borrowed $5,500 at 11.5 percent for five years. What is his monthly payment?
olya-2409 [2.1K]
Use the formula of the present value of an annuity ordinary which is
Pv=pmt [(1-(1+r/k)^(-kn))÷(r/k)]
Pv present value 5500
PMT monthly payment?
R interest rate 0.115
K compounded monthly 12
N time 5years
Solve the formula for PMT
PMT=Pv÷ [(1-(1+r/k)^(-kn))÷(r/k)]
PMT=5,500÷((1−(1+0.115÷12)^(
−12×5))÷(0.115÷12))
=120.95

So the answer is C

Hope it helps!
5 0
3 years ago
Read 2 more answers
A restaurant has 1,996 forks 1,745 knives and 2,116 spoons. The owner wants to have 2,000 of each utensil. How many additional f
a_sh-v [17]

2000-1996=4 forks

2000-1745=255 knives

since there are extra spoons it is reversed-->2116-2000=116 spoons

the owner needs 4 forks,255 knives and there are 116 extra spoons


4 0
3 years ago
Read 2 more answers
I don’t understand this either
trasher [3.6K]
It is a part of slope form ( intercept
7 0
3 years ago
Read 2 more answers
Select the problems which show the correct answers. (1.12 x 105) (6.06 x 105) Answer: 6.79 x 1010 (2 x 101)(3.0 x 101) Answer: 6
Arisa [49]
Since multiplication is commutative, we can rearrange the problem: 
(1.12*10^5)(6.06*10^5) = (1.12*6.06)(10^5*10^5)
Using the properties of exponents, we have:
(1.12*6.06)(10^10)
\\=6.7872*10^10

Again, multiplication is commutative, so we rearrange the problem; then we use the product property of exponents:
(2*10^1)(3*10^1)
\\=(2*3)(10^1*10^1)
\\=6*10^2

(2.775*10^-^4)(4.775*10^4)
\\=(2.775*4.775)(10^-^4*10^4)
\\=(2.775*4.775)(10^0)
\\=(2.775*4.775)(1)
\\=2.775*4.775=13.250625=1.3250625*10^1

5(8.14*10^2)=(5*8.14)(10^2)=40.7*10^2=4.07*10^3
6 0
3 years ago
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The number of pages that Zev, Kelly, Marneisha, and Aleisha can read in a day is shown below. Zev read 15% of his 56-page book.
Fantom [35]
I have to say it is c marnesiha 
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