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liberstina [14]
3 years ago
5

Find an equivalent function to f(x)=3(6)^2x Answer choices in picture

Mathematics
1 answer:
nikklg [1K]3 years ago
7 0
3.6.2x: x/36 or you can use cymath
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You have been saving nickels, dimes, and quarters in a jar for about a year. You decide to see how much money you've saved up. W
anyanavicka [17]

Answer:

x = number of nickels = 127

y = number of dimes = 156

z = number of quarters = 78

Step-by-step explanation:

Let

x = number of nickels

y = number of dimes

z = number of quarters

Total worth of the coins = $41.45

Total number of coins = 361

x + y + z = 361 (1)

dime = $0.1,

nickel = $0.05

quarter = $0.25

0.05x + 0.1y + 0.25z = 41.45 (2)

twice as many dimes as quarters.

y = 2z

Substitute y = 2z into (1) and (2)

x + 2z + z = 361

0.05x + 0.1(2z) + 0.25z = 41.45

x + 3z = 361

0.05x + 0.2z + 0.25z = 41.45

x + 3z = 361 (3)

0.05x + 0.45z = 41.45 (4)

Multiply (4) by 20

x + 3z = 361 (3)

x + 9z = 829 (5)

Subtract (3) from (5)

9z - 3z = 829 - 361

6z = 468

Divide both sides by 6

z = 468 / 6

= 78

z= 78

Recall,

y = 2z

= 2(78)

= 156

y = 156

Substitute the value of y and z into

x + y + z = 361

x + 156 + 78 = 361

x + 234 = 361

x = 361 - 234

= 127

x= 127

x = number of nickels = 127

y = number of dimes = 156

z = number of quarters = 78

6 0
3 years ago
Brady uses 3 balloons to make one decoration for a school party. If he has 400 balloons,which equation below uses compatible num
lara31 [8.8K]

Answer: the answer is b

Step-by-step explanation:

If you take 400 balloons and divide it by 3 balloons; its cause 3 balloons make 1 decoration you get 133.3333333333 decorations in all but, as an estimation is 130 decorations

8 0
3 years ago
A popular fast food restaurant sells, on average, 18 orders of fries every 3 minutes. Based on this information, how many orders
Lelechka [254]

Answer:B

Step-by-step explanation:

60÷3

Because 60 minutes in one hour

60÷3=20

20×18=360

6 0
3 years ago
Read 2 more answers
What is 15 less than or equal to -5x​
lara [203]

Answer:

less than tell me if i'm wrong

4 0
3 years ago
If the population variances are assumed to be known in an application where a manager wishes to estimate the difference between
Paha777 [63]

Answer:

math because more math which equals math if your lucky that might equal more math

Step-by-step explanation:

7 0
3 years ago
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