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andriy [413]
3 years ago
14

Five boxes of crackers cost $9.at this rate how much do 20 boxes cost

Mathematics
2 answers:
Papessa [141]3 years ago
8 0

Answer:36$

Step-by-step explanation:So what you have to do is divide 20 by 5 and you get 4.Then multiply 4 by 9 and you  answer is 36.

just olya [345]3 years ago
5 0

Find how much 1 box costs by dividing.

9 ÷ 5 = 1.80

Now, multiply 1.80 by 20.

1.80 × 20 = 36

<h2>Answer:</h2>

<u>20 boxes of cookies costs </u><u>$36</u><u>.</u>

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crimeas [40]

Answer:

y(20)=14,322

Step-by-step explanation:

We need to solve the equation:

dy/dx=0.4xy

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y(0) = 2

with incerments

\Delta x=h=5

By Euler's method, we have:

y(x+h)=y(x)+h*f'(x,y)

We start with the initial point

y(5)=y(0)+5*f'(0,2)=2+5*(0.4*0*2)=2

And we continue until we reach the value for y(20)

y(10)=y(5)+5*f'(5,2)=2+5*(0.4*5*2)=2+20=22\\\\\\y(15)=y(10)+5*f'(10,22)=22+5*(0.4*10*22)=22+440=462\\\\\\y(20)=y(15)+5*f'(15,462)=462+5*(0.4*15*462)=462+13,860\\\\y(20)=14,322

4 0
3 years ago
Can someone please help me with this question?!?
77julia77 [94]

Answer:

(3, 10, 17, 24....)

Step-by-step explanation:

f(x) =  7x - 4

x = 1:

f(1) = 7*1 - 4 = 7 - 4 = 3

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f(3) = 7*3 - 4 = 21 - 4 = 17

then the sequence is:

(3, 10, 17, 24.....)

8 0
4 years ago
francois' car gets about 12.5 kilometers per liter. he is planning a 1600 kilometer trip. about how many liters of gas should he
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Lena [83]

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3 0
3 years ago
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kirill115 [55]

Answer:

B. 2^-6

C. 1/4³

D. (1/4) (1/4) (1/4)

Step-by-step explanation:

4^-3 is the same as 1/4³ so it is equivalent

46-3 = 1/64 so (1/4) (1/4) (1/4) is equivalent because it also equals 1/64

2^-6 is the same as 1/2^6 which equals 1/64 so it is also equivalent

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PLEASE RATE!! I hope this helps!!

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