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amm1812
3 years ago
10

Jan’s age is 3 years less than twice Tritt’s age. The sum of their ages is 30. Write an equation that could be used to find the

age of the students.
Mathematics
1 answer:
musickatia [10]3 years ago
4 0

Answer:

x=2y-3

Step-by-step explanation:

x=Jan's age

y=Tritt's age

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Which increase faster, f(x)=5x or g(x)=5^x
hichkok12 [17]

g(x) = 5^x is your answer

Plug in increasing numbers for x to get the output.

For example: when x = 1

f(1) = 5(1) = 5

g(1) = 5^(1) = 5

when x = 2

f(2)= 5(2) = 10

g(2) = 5^(2) = 25

when x = 3

f(3) = 5(3) = 15

g(3) = 5^(3) = 125

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From the example above, we see that g(x) = 5^x is your answer

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pychu [463]
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8 0
3 years ago
Solve for x by first setting up two equations. Then find the PRODUCT of your solutions |2x+5|=7
Kobotan [32]

Answer: see below

Step-by-step explanation:

|2x+5|=7

2x+5=±7 ⇔ since the absolutely value of any number is all positive, so the value in side can be either positive or negative

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    2x=2            2x=-12

      x=1      or       x=-6

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The product of the two solutions

1 × -6=-6

Hope this helps!! :)

Please let me know if you have any question

5 0
3 years ago
Explain why the numerical expression 4 less than 20 is written as 20-4 and not 4-20
Phantasy [73]
When converting English phrases into mathematical expressions/equations, we do things from left to right. That is why it's 4 - 20 instead of 20 - 4.

This rule is applied to division as well.
8 0
3 years ago
Translate this sentence into an equation.
lana [24]

Answer:

c+20=72

Step-by-step explanation:

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