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Dafna1 [17]
3 years ago
10

If A is directly proportional to B and A = 1 13 when

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
5 0

Answer:

Step-by-step explanation:

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The table represents an exponential function.
Minchanka [31]

we know that

The multiplicative rate of change of the exponential function between two points is equal to

[f(b) / f(a) ] / (b-a)

Let

A(1,6)\\B(2,4)

we have that

f(a)=6\\f(b)=4\\a=1\\b=2

substitute in the formula

[4 / 6 ] / (2-1)=4/6=2/3

Let

A(3,8/3)\\B(4,16/9)

we have that

f(a)=8/3\\f(b)=16/9\\a=3\\b=4

substitute in the formula

[(16/9) / (8/3) ] / (4-3)=48/72=2/3

therefore

<u>the answer is the option</u>

B.) 2/3



8 0
3 years ago
Read 2 more answers
This partial circle has a radius of 11 inches.
Alecsey [184]
First, find the area of the circle
 pie*radius to the power of 2(radius*raduis)
(11*11=121) 121*3.14=379.94
take your answer and divide it by 4 we would divide it by 2 if we had a semicircle but since we have a 3/4 circle we divide by 4 and then times the Quotient by 3
379.94/4=94.985
94.985*3=284.955
Round ur answer to the nearest tenth so it equals 284.96
4 0
3 years ago
Read 2 more answers
A car used 11 1/2 gal of gasoline on a 345-mile trip. How many miles can this car travel on 1 gal of gasoline? ____mi
lyudmila [28]

Answer:

The answer to your question is: 30 miles can the car travel.

Step-by-step explanation:

Data

gasoline used = 11 1/2 gal

distance = 345 mile-trip

distance travel with 1 gal = ?

Process

Convert 11 1/2 to a improper fraction    11 1/2 = 23/2

Rule of three

                            23/2 gal -----------------------  345 miles

                              1 gal      ----------------------   x

                          x = (1 x 345) / 23/2

                          x = 345 / 23/2

                          x = 690/ 23

                          x = 30 miles

8 0
3 years ago
I need help on my math hw please and thanks!!
jarptica [38.1K]
Attached solutions and work.

3 0
3 years ago
kara opened a savings account with $8,000. she makes no changes to this account after 2 years. her account has a compound intere
olga_2 [115]

Answer:628384729

Step-by-step explanation:

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7 0
3 years ago
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