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icang [17]
3 years ago
6

Amelia makes $8 per hour at her job and then earns an additional $15 for every tablet she sells. She uses the expression 8h + 15

t to keep track of her earnings.
Do the following:
Part A: Identify the coefficients and variables in the expression.
Part B: How many terms are in the expression, what are they, and how do you know?
Part C: Which term in the expression shows the total earned for tablets sold?
Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
5 0

Answer:

E = 8h+15t

Step-by-step explanation:

Given that Amelia makes $8 per hour at her job and then earns an additional $15 for every tablet she sells.

E = 8h+15t

where E = earnings

Part A:  Coefficients are 8 and 15 and variables are h and 5.

Part B:  There are two terms .   They are unlike terms and connected by + sign.

Part C:

Total earnings = E = 8h+15t

I am Lyosha [343]3 years ago
3 0
Part A : The coefficients in the expression are "8" and "15. The variables in the expression are "h" and "t". 

Part B: There are actually two terms in the expression and they are "8h" and "15t". Terms are separated by a plus sign or a minus sign.

Part C: "15t" is the term  in the expression that shows the total earned for tablets sold.
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Choose all the numbers that are common multiples of 3 and 12.
spayn [35]
<h3>Answers: 48 and 72</h3>

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

Explanation:

The number 12 is a multiple of 3 because 3*4 = 12.

So when looking for common multiples of 3 and 12, we simply need to look at multiples of 12.

The multiples of 12 are:

  • 12, 24, 36, 48, 60, 72, 84, 96, 120, ...

We see that 48 and 72 are on the list. The values 21, 27, 63, 81 are not on the list, so cross them out.

Now we could keep that list of multiples going to see if 844 is on there or not. A better method is to divide 844 over 12. If we get a whole number, then it's a multiple of 12.

844/12 = 70.333 approximately.

This shows that 844 is <u>not</u> a multiple of 12. So we cross 844 from the list.

Only 48 and 72 are multiples of 12 (and also multiples of 3).

6 0
3 years ago
Lian is deciding which of two gyms to join. Each gym charges a monthly rate plus a one-time membership fee.
BartSMP [9]
The conclusion is that both gym charge the same, because the identity 75 = 75 means that the two equations are equivalent (the same).
6 0
3 years ago
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Which transformations could have occurred to map AABC
babymother [125]

Answer:

A reflection and a dialation

Step-by-step explanation:

  1. Reflection is when you flip a figure over a line.
  2. Rotation is when you rotate a figure a certain degree around a point.
  3. Dilation is when you enlarge or reduce a figure.

In this case a rotation is not nessasary, so I would suggest a reflection in the y-axis and a dialation to shrink the triangle to A'B'C'

So for the transformations that could have occurred to map ABC to A'B'C' you should choose the answer

a reflection and a dialation

5 0
3 years ago
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HELP ASAP will give brainliest
Natalka [10]

Average rate of change is 0

Interpretation: The crop yield did not change from year 5 to year 15

<em><u>Solution:</u></em>

The function that models the yield is:

f(x) = -x^2 + 20x + 75

The average rate of change of f(x) from x = a to x = b is given by the formula:

\text{ average rate of change }=\frac{f(b)-f(a)}{b-a}

Find and interpret the average rate of change from year 5 to year 15

f(5) = -(5)^2 + 20(5) + 75\\\\f(5) = -25 + 100 + 75\\\\f(5) = 150

f(15) = - (15)^2 + 20(15) + 75\\\\f(15) = -225 + 300 + 75\\\\f(15) = 150

<em><u>Thus average rate of change:</u></em>

\text {average rate of change}=\frac{f(15)-f(5)}{15-5}

\text {average rate of change}=\frac{150-150}{10}=0

Thus Average rate of change is 0

Interpretation: The crop yield did not change from year 5 to year 15.

7 0
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SOLVE FOR X WILL GIVE BRAINLIEST<br> X^2=36/121
bazaltina [42]
  • <em>Answer:</em>

<em>x₁ = 6/11</em>

<em>x₂ = - 6/11</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>x² = 36/121</em>

<em>x² = 6²/11²</em>

<em>x = ±√6²/11²</em>

<em>x = ± 6/11</em>

<em>x₁ = 6/11</em>

<em>x₂ = - 6/11</em>

<em>Good luck !</em>

8 0
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