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melisa1 [442]
3 years ago
6

Practice Problems

Mathematics
1 answer:
Darya [45]3 years ago
5 0

Step-by-step explanation:

91.8 \div 12 = 7.65 \\ 19.35 \div 3 = 6.45

3 months

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How do I graph -4x+6y=12
Vinvika [58]
\left[x \right] = \left[ -3+\frac{3\,y}{2}\right][x]=[−3+​2​​3y​​] this is answer
6 0
4 years ago
Determine if the data comes from a linear function or an exponential function. Then, enter
svet-max [94.6K]

1.  The data is not linear.  There's not a constant difference between the f(x) values.  (AKA there's not a fixed slope between the data points)

2. The data is exponential, because there's a consistent ratio in the f(x) values:

     189/567 = 1/3

     63/189 = 1/3

     21/63 = 1/3

     7/21 = 1/3

Each new y-value (aka f(x)-value) is 1/3 the previous value.

Also, f(0)=567.

If we put that together, we have f(x) = 567 (1/3)^x.

8 0
3 years ago
a father is 25 years older than his son.Five years ago he was 6 time old as his son was find their presents
IceJOKER [234]

Answer:

the present age of the father be x and the present age of the son be y.

It is given that man is 24 years older than his son that is:

x=y+24

x−y=24..........(1)

Also, 12 years ago, he was five times as old as his son that is:

(x−12)=5(y−12)

x−12=5y−60

x−5y=−60+12

x−5y=−48..........(2)

Now subtract equation 1 from equation 2 to eliminate x, because the coefficients of x are same. So, we get

(x−x)+(−5y+y)=−24−48

i.e. −4y=−72

i.e. y=18

Substituting this value of y in (1), we get

x−18=24

i.e. x=24+18=42

Hence, the present age of the father is 42 years and the present age of the son is 18 years.

Step-by-step explanation:

5 0
3 years ago
Write each of the following expressions without using absolute value.
Stels [109]

Answer:

-3+7=4 is the answer if thats what you is looking for

Step-by-step explanation:

7 0
3 years ago
The students at Lexi's school voted for a new school mascot. 219 students voted to be The Falcons. The other 146 students in Lex
siniylev [52]
60%. there are 365 students in total because 219+146 is 365. 219/365 is .6 meaning the percent is 60%. The percentage is the students who voted to be falcons was 60%
8 0
3 years ago
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