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Andrew [12]
3 years ago
15

Write an exponential function that passes through the points (0, 3) and (-1, 6)

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
3 0
Standard form of an exponential function is y=ab^x
when x=0, y=3, 3=ab^0, so you can figure out that a=3
when x=-1, y=6, 6=3b^(-1), b^(-1)=2, b=1/2
so the equation is y=3(1/2)^x
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It takes Wayne 1/0 of an hour to walk a 1/6 mile park loop. What is Wayne's unit rate in miles per hour?
Aleksandr [31]
1 2/3 miles is the answer.

I think you meant 1/10

6 + 4 = 10 1 mile 4/6 = 1 2/3

Hope I beecome the brainliest
4 0
3 years ago
A family has two cars. The first car has a fuel efficuency of 15 miles per gallon of gas and the second has a fuel efficiency of
SVEN [57.7K]

Answer:

x= 35 gallons consumed by 1st car

and y= 40  gallons consumed by 2nd car

Step-by-step explanation:

Fuel efficiency of 1st car = 15 miles per gallon

Fuel efficiency of 2nd car = 35 miles per gallon

Let x= gallons consumed by 1st car

and y= gallons consumed by 2nd car

Total gallons consumed by both cars = 75

so, we can write

x + y = 75

Miles covered by both cars = 1925 miles

and we know, Fuel efficiency of 1st car = 15 miles per gallon

Fuel efficiency of 2nd car = 35 miles per gallon

we can write the equation as

15 x + 35 y = 1925

where x and y are gallons consumed by 1st and 2nd car.

We have two equation now,

x + y = 75                   (1)

15 x + 35 y = 1925     (2)

Multiplying eq(1) with 15 and subtracting eq (1) and 2

15 x + 15 y = 1125

15 x + 35 y = 1925

-       -            -

_______________

0 - 20 y = -800

y= -800 / -20

y = 40

Putting value of y in equation 1

x + y = 75

x + 40 = 75

x= 75 - 40

x = 35

x= 35 gallons consumed by 1st car

and y= 40  gallons consumed by 2nd car

4 0
3 years ago
How many frogs in the population do not have spots on their back
Rudiy27
I would go with then answer 168
Because if 12 of 180 has spots then you would subtract 12 to get how many will not have spots ....thats how I got the answer

Hope I helped Pls mark me as brainliest

8 0
3 years ago
Solve problem:<br> 8-6•4+10/2
Westkost [7]

Answer: -11

Step-by-step explanation: Hope this helps

3 0
3 years ago
Read 2 more answers
1/8 - 1/7 please :DDDDDDDDD
ira [324]

Answer:

-1/56

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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