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arlik [135]
3 years ago
11

Juan is considering two cell phone plans. The first company charges$40 for the phone and $30 per month for the calling plan that

juan wants. The second company charges $40 for the same phone but charges $45 per month for the calling plan that Juan wants. After how many months would the total cost of the two plans be the same?
Mathematics
1 answer:
fredd [130]3 years ago
5 0
THEY WOULDNT EVER BE THE SAME. MAYBE AT 0 MONTHS??
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PLEEASE HELP!!!! I WILL GIVE BRAINLIEST!!!!!
Vika [28.1K]

Answer:

7

Step-by-step explanation:

Set up an equation using slope intercept form.

y = mx + b

75 = 8x + 15

Solve.

75 = 8x + 15

-15          -15

60 = 8x

7.5

Round down as it is dealing with money and he would not have enough to purchase an 8th grocery.

7 is the final answer.

Hope this helps!

3 0
2 years ago
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Answer:

Only one solution and its x = −20

Step-by-step explanation:

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3 years ago
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elena55 [62]
Rachel is 26 years old and Nicole is 21 years old.
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If RV = x+6, US = 5x-9, and RS = 11, find VT and ST
masha68 [24]

The values of VT and ST for the given rectangle are 13 and 23.56 respectively.

The given parameters:

  • <em>RV = x + 6</em>
  • <em>US = 5x - 9</em>
  • <em>RS = 11</em>

The value of VT and ST is calculated as follows;

<em>from the given </em><em>diagram </em><em>we can conclude the following;</em>

2RV = RT = US

2(x + 6) = 5x - 9\\\\2x + 12 = 5x - 9\\\\12 + 9 = 5x - 2x\\\\21=3x\\\\x = 7

RT = 2RV = 2VT = 2(7 + 6) = 26

VT = ¹/₂ x 26

VT = 13

The value of ST can be determined from Pythagoras theorem as follows;

ST = \sqrt{RT^2 - RS^2} \\\\ST = \sqrt{26^2 - 11^2} \\\\ST = 23.56

Learn more about Pythagoras theorem here:  brainly.com/question/12306722

6 0
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3 angles on top, 3 angles below


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This means the sum of the angles of the top left = 90°

Therefore, x + 61° = 90°

x = 90° – 61°

x = 29°

4 0
3 years ago
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