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monitta
3 years ago
10

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a 26

Mathematics
2 answers:
love history [14]3 years ago
7 0
--------------------------------------------------------
Define x :
--------------------------------------------------------
Let the number of minutes of call be x.

--------------------------------------------------------
First Plan :
--------------------------------------------------------
26 + 0.08x

--------------------------------------------------------
Second Plan :
--------------------------------------------------------
8 + 0.13x

--------------------------------------------------------
Find x so that the costs are the same :
--------------------------------------------------------
26 + 0.08x = 8 + 0.13x
0.13x = 0.08x = 26 - 8
0.05x = 18
x = 360 minutes

--------------------------------------------------------
Answer: 360 minutes of call.
--------------------------------------------------------
Wittaler [7]3 years ago
6 0
26+0.08x=8+0.13x
26-8=0.13x-0.08x
18=0.05x
x=18/0.05=360 min
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Jada's sister works in a furniture store.
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Answer:

1) $16.35

2) 75%

3) $245  

Step-by-step explanation:

1) Jada earns = $15 per hour

  9% increase = 15 * 9/100 = $1.35

  Increased Jada's pay = 15+1.35 = $16.35

2) Markup = selling price - cost= $350 - 200= $150

   Markup % = \frac{sale price - cost }{cost}*100 \

                      = \frac{150}{200}*100 = 75%

3) Jada's sister commission is 3.5% of $7000

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5 0
2 years ago
What is 5/6 divided by 1/7?
skelet666 [1.2K]

Answer:

5\frac{5}{6}

Step-by-step explanation:

To divide fractions, we multiply the first fraction by the <u>reciprocal </u>of the second fraction. (Seven over one)

\frac{5*7}{6*1} =\frac{35}{6}

Now, we convert the fraction into a mixed fraction.

\frac{35}{6}=5\frac{5}{6}

<em>The quotient of 5/6 and 1/7 is 5 5/6</em>

8 0
3 years ago
Pls help this is confusing :/
Aleksandr [31]

The coordinates of triangle U'V'W' include U'(8, 3), V'(4, -8) and W'(-8, -6) and this is represented by graph A shown in the image attached below.

<h3>What is a transformation?</h3>

A transformation can be defined as the movement of a point on a cartesian coordinate from its original (initial) position to a new location.

<h3>The types of transformation.</h3>

In Geometry, there are different types of transformation and these include the following:

  • Dilation
  • Reflection
  • Rotation
  • Translation

Based on the information provided, triangle UVW would be rotated counterclockwise through an angle of 270 degree at origin to produce triangle U'V'W', we have:

\left[\begin{array}{ccc}0&1\\-1&0\end{array}\right]

Therefore, the image of triangle UVW would be given by this matrix:

\left[\begin{array}{ccc}0&1\\-1&0\end{array}\right] \left[\begin{array}{ccc}-3&8&6\\8&4&-8\end{array}\right]

Image = \left[\begin{array}{ccc}8&4&-8\\3&-8&-6\end{array}\right]

Based on the image above, we can logically deduce that the coordinates of triangle U'V'W' include U'(8, 3), V'(4, -8) and W'(-8, -6) and this is represented by graph A shown in the image attached below.

Read more on transformations here: brainly.com/question/12518192

#SPJ1

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2 years ago
Which equation is true when the value of x is 3.5?
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