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Ilia_Sergeevich [38]
3 years ago
15

F(9) if f(x) = 5x - 16

Mathematics
1 answer:
slavikrds [6]3 years ago
7 0

Answer:25xplus y

Step-by-step explanation:

50 plus 10 equals 60

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If i get £20 pounds at week and I need £470 pounds how many weeks do I have to save for
natulia [17]

Answer:

23.5 weeks.

Step-by-step explanation:

470/20 is 23.5

3 0
4 years ago
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Name the polygon. <br>pls help ty​
aivan3 [116]

Answer:

It's an Irregular Quadrilateral

Step-by-step explanation:

It has 4 sides and the length of the sides of the Quadrilateral is not equal. This makes it irregular.

3 0
3 years ago
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A body was found at 10 a.m. in a warehouse where the temperature was 40F. The medical examiner found the temperature of the body
lawyer [7]
Newton's law of cooling states that under forced convection (which is assumed to be true), then
dT(t)/dt = -k(T(t)-Ta)..............(1)
T(t)=temperature
Ta=ambient temperature=40F
k=cooling constant = 0.1947
T(0)=98.6F (assuming victim did not have fever)
Integrate (1)
T(t)-Ta=(T(t)-T(0))e^(-kt)
Solve for t
(T(t)-Ta)/(T(t)-T(0)) = e^(-kt)
take log:
-kt=log_e((T(t)-Ta)/(T(t)-T(0)))
substitute T(t)=80F, Ta=40F,T(0)=98.6F
-kt=log_e((80-40)/(98.6-40))=-0.38186
t=0.38186/0.1947
=1.96, or almost 2 hours   (assuming k=0.1947 is in hours)
7 0
4 years ago
Read 2 more answers
Find value of the expressions a =4, b=2 and c =3 then 2(a+3b)-(b+c)​
Blizzard [7]

Answer:

2(a+3b)-(b+c)=

2(4+3(2))-(2+3)=

2(4+6)-(5)=

2(10)-5=

20-5=

15

Step-by-step explanation:

8 0
3 years ago
19. Amanda bought a 6-cup bag of shredded cheese for $6.89. She used 2.25 cups to make lasagna and 1.25 cups to make pizza. How
SVETLANKA909090 [29]

Answer:

2.50

Step-by-step explanation:

ok, so we start out with a 6 cup bag of cheese. But then she uses 2.25 cups to make lasgna, and 1.25 cups to make pizza. we need to see how much cheese is left after she used the cups. First lets add the 2 cups: 1.25 + 2.25. Lets first add 1 + 2 = 3, then .25 + .25 = .50. Lets now add 3, and .50, and that gives us 3.50. Now to see how much cheese is left, we must subtract 6 minus 3.50, which gives us a total of 2.50. I hope that helped!

5 0
3 years ago
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