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tankabanditka [31]
3 years ago
10

The expression represents the cost of Janelle’s cell phone bill, where m represents the number of minutes of use. 0.05m + 12 Wha

t is the constant in the expression?
Mathematics
2 answers:
inn [45]3 years ago
8 0

Answer:

The constant in the expression is 12

Step-by-step explanation:

The constant of the expression is the value that is independent of the number of minutes Janelle uses. The expression can  be written as :

f(m)=0.05m +12

Example if m is 1 or 2

f(1) = 0.05(1) +12 = 12.05

f(2= = 0.05*2 +12 =0.1 +12 = 12.1

The value 12 is the minimum price of the bill indepent of the consumption of minutes of Janelle. She will always be charged this value.

Nataly [62]3 years ago
3 0

Answer:

B) 12

Step-by-step explanation:

correct on edg2020, took the test.

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UNO [17]

Answer:

for every cinnamon bun, 7 pennies were given to the orphanage.

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7 0
3 years ago
Hello Pleasa help ASAP !!!!
cricket20 [7]
Would have to go with A.

Most of us have to invest in study time for recall at test time.
3 0
3 years ago
HELP I NEED HELP SETTING THIS UP
charle [14.2K]

Answers:

The starting equation is (x+5)/3 = 7 which can be written as \frac{x+5}{3} = 7

The solution to this equation is x = 16

========================================================

Explanation:

Let x be a placeholder for some number. If we start off with some number and add on 5, then we go from x to x+5. The next thing we do is divide all of "x+5" all over 3 to get (x+5)/3 which can be written as \frac{x+5}{3}. I'll use the first style of notation.

Set the expression (x+5)/3 equal to 7 and that leads us to the equation:

(x+5)/3 = 7

so this is the first part of the answer. Now onto the second part which is solving for x. We want to get x all by itself on its own side.

To do this, we follow the order of operations PEMDAS in reverse. So we undo division first by multiplying both sides by 3. Then we undo the addition of 5 by subtracting 5 from both sides

(x+5)/3 = 7

3*(x+5)/3 = 3*7 ...... multiply both sides by 3

x+5 = 21

x+5 - 5 = 21 - 5 ..... subtract 5 from both sides

x = 16

So the unknown mystery number is 16. As a check, note how adding 5 to 16 gets us 16+5 = 21, which if we divide by 3 we end up with 21/3 = 7 which is what we want. So the answer is confirmed.

8 0
3 years ago
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Shtirlitz [24]

Think of variable K as number of trees planted and variable J as number of minutes it takes to plant the trees.

K = _J + _

For every 4 trees planted it takes 2 minutes to plant them, so we now have -4/2. 4 is negative because we don't have an unlimited amount of trees to plant. With this being said, we can use this fraction as J.

K = -4/2J + _

We lose 4 trees every 2 minutes, but how many trees did we initially start out with? According to the graph, we started with 28 trees, so K = -4/2J + 28.

Now we can test this equation out by picking a random dot on the graph: 24/2.

24 = -4/2(2) + 28

24 = -4 + 28

24 = 24

This statement is correct, so our equation is correct.

5 0
3 years ago
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