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Eva8 [605]
3 years ago
14

Lenny has a remaining balance on his credit card of $800 his credit card has a APR of 20% how much will he pay in interest in on

e month
Mathematics
1 answer:
olga_2 [115]3 years ago
4 0
800*.20=160
$160 is your answer.
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Please help if you would be so kind, it’s geometry:
maks197457 [2]

Answer:

Step-by-step explanation:

x+(4x-8)+(x+8) = 180

x = 30

∠C = x+8 = 38°

height = 7sin38°

area =0.5·13·7sin38° ≅ 28.0126 cm²

8 0
3 years ago
Juan's cell phone company charges $35 a month for phone service plus $0.50 for each text message. How many text messages does ju
ExtremeBDS [4]
<h2>34</h2>

Step-by-step explanation:

   The minimum charges for the phone service is $35. For, each text message, $0.50 is charged over and above the minimum charges.

   This problem can be modeled as a linear equation in the number of text messages sent as follows:\textrm{Total bill = Minimum charges + (Charge per message)x(Number of messages)}

\textrm{Total Bill = $}35\textrm{ + (Number of messages)x}($0.50)

   Given that the total bill is $52, number of text messages can be easily computed.

52\textrm{ = }35+\textrm{(Number of messages)x}0.50

\textrm{(Number of messages)x0.50 = }52-35=7

\textrm{Number of messages = }\frac{7}{0.5}=14

∴Number of text messages Juan sent = 14.

5 0
3 years ago
Bill has some counter in a bag.
andrew11 [14]

9514 1404 393

Answer:

  4

Step-by-step explanation:

The 10 non-yellow counters in the bag represent 5/7 of the total number of counters, c.

  10 = (5/7)c

  10(7/5) = c = 14

There are 14 counters in the bag, of which 14-10 = 4 are yellow.

_____

<em>Alternate solution</em>

Let y represent the number of yellow counters in the bag. The probability of drawing a yellow counter is the number of yellow counters divided by the total number of counters:

  y/(y +3 +7) = 2/7

Multiply both sides of this equation by 7(y+10) to get ...

  7y = 2(y +10)

  7y = 2y +20 . . . . eliminate parentheses

  5y = 20 . . . . . . . . subtract 2y

  y = 20/5 = 4 . . . . divide by the coefficient of y

There are 4 yellow counters in the bag before any are taken.

__

<em>Another alternate solution</em>

If the probability of yellow is 2/7, the ratio of yellow (y) to non-yellow is ...

  yellow : non-yellow = 2 : (7-2) = 2 : 5 = y : (3+7) = y : 10 = 4 : 10

  ⇒ y = 4

There are 4 yellow counters in the bag.

8 0
3 years ago
Given the functions, f(x) = x2 + 2 and g(x) = 4x - 1, perform the indicated operation. When applicable, state the domain restric
IRISSAK [1]

Answer:

4x2-7

Step-by-step explanation:

4(x2+2)-1=4x2+8-1=4x2=7

8 0
3 years ago
a bookshelf holds 43 books on each shelf is the total number of books proportional to the number of shelves in the bookshelf
Mama L [17]
If every shelf has the same amount of books, then it can be seen as proportional because one shelf has 43 and 2 have 86, and it keeps going up in a consistent way. 
so 43/1 = 86/2 .
Happy studying ^-^
7 0
3 years ago
Read 2 more answers
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