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Alik [6]
3 years ago
5

PLEASE HELP 20 POINTS

Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
8 0

terms are t

and like terms are numbers


Umnica [9.8K]3 years ago
3 0

Answer:

terms are t

Step-by-step explanation:

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The sum of two numbers is 122. The difference of the first number and twice the second number is 23. Find the two numbers.
Elza [17]

Answer:

One is 89 , the other is 33.

Step-by-step explanation:

Set up a system of 2 equations:

x + y = 122

x - 2y = 23        Subtracting:

0 + 3y = 99

y = 33.

So:

x + 33 = 122

x = 122 -33 = 89.

8 0
2 years ago
Read 2 more answers
Need help with question 2please due in 10mins
Stella [2.4K]

Answer:

x        1            2             6            12         25

f(x)     22        34           82          154       310

f(3)= 46 means that in the third month, the online magazine provider will charge a total of $46.00

Step-by-step explanation:

For finding the missing f(x) values:

Plug in the x-values that are given into the original equation: f(x)= 12x + 10

ex: f(1)= 12(1) + 10 => 22

For finding the missing x value, set the original equation to the given f(x) value

ex: 34 = 12x + 10 => 2

7 0
3 years ago
Select the statement that correctly describes the solution to this system of equations.
True [87]

Answer: B. There are infinitely many solutions.

Step-by-step explanation: Hope this help :D

4 0
3 years ago
If b=a+1/3, what is the value of b-1 in terms of a? explain.
Vikki [24]

Answer:a=b-\frac{1}{3}a=b−

​3

​

​1

​​  

Step-by-step explanation:

1 Subtract \frac{1}{3}

​3

​

​1

​​  from both sides.

b-\frac{1}{3}=ab−

​3

​

​1

​​ =a

2 Switch sides.

a=b-\frac{1}{3}a=b−

​3

​

​1

​​  

Done

3 0
3 years ago
7. Deborah invested $3000 into a fund that is expected to earn 8.2% per year. If you use the Rule of 72, about how long will it
Stella [2.4K]

Answer:

About 9 years

Step-by-step explanation:

The rule of 72 tells us that the amount of time it takes to double your investment is 72 divided by the interest rate.

<em>To get an approximation, we round of interest rate of 8.2% to 8% and then use the rule.</em>

Time = \frac{72}{8}=9

For deborah's investment of $3000 to go to $6000, it would take around 9 years.

4 0
3 years ago
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