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Hunter-Best [27]
3 years ago
14

Brandie is trying to decide between two cell phones. One is free with a 2-year contract, but she will have to pay the sales tax

of 8% on the original price$399 and the monthly charge is $10 more than she currently pays. The other is on sale $199 plus 8% sales tax. The monthly charge is the same as she currently pays. Over the 2-year contract period, which phone will be the lower cost and by how much?
Mathematics
1 answer:
Effectus [21]3 years ago
3 0
Answer: The second plan is cheaper by $57.

For the first plan, Brandie will page $31.92 in tax, plus $10 per month of the 24 month contract of $240. The total new charge is $271.92.

For the second plan, Brandie will simply pay $214.92 (the cost of the phone including tax.

The second plan is obviously lower. Subtracting them gives us the difference.

271.92 - 214.92 = 57
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At the movie theatre, child admission is $6.30 and adult admission is $9.60 . On saturday, twice as many adult tickets as child
joja [24]

Let's assume

number of child tickets sold on saturday is x

number of adult tickets sold on saturday is y

On saturday, twice as many adult tickets as child tickets were sold

so, we get

y=2x

child admission is $6.30 and adult admission is $9.60

a total sales of $535.50

we get

6.30x+9.60y=535.50

now, we can plug y=2x

6.30x+9.60*2x=535.50

now, we can solve for x

25.5x=535.5

x=21

now, we can find y

y=2*21

y=42

so,

number of child tickets sold on saturday is 21

number of adult tickets sold on saturday is 42.........Answer


4 0
3 years ago
Tina found $4.75 at the bottom of her purse and added it to her wallet. She later bought milk and eggs for $6,55 and had
wariber [46]

Step-by-step explanation:

step 1. x + 4.75 - 6.55 = 5.43

step 2. looks like b is the only answer.

7 0
3 years ago
Read 2 more answers
How many solutions can a single variable linear equation contain?
Burka [1]

Answer:

One solution

Step-by-step explanation:

As a generalization:  an equation of degree n has n solutions.  A quadratic equation has the second degree and thus two a solutions; a third degree equation has three, and so on.  Thus, a first degree (linear) equation has one solution.

6 0
3 years ago
What is the value of x?
Vlad1618 [11]

Answer:

A

Step-by-step explanation:

using pythagoras theorem

h²=p²+b²

8 0
2 years ago
I need help with truth tables
Lerok [7]

The complete table of truth value for the composite proposition:

       p           q          ¬ q          p ∨ ¬ q            (p ∨ ¬ q) ⇒ q

       T           T             F              T                           T

       T           F             T              T                           F            

       F           T             F              T                           T

       F           F             T              T                           F                

<h3>How to fill a truth table with composite propositions</h3>

In mathematics, propositions are structures that contains a truth value. There are two truth values in classic logics: True, False. Composite propositions are the result combining simpler propositions and operators. There are the following logic operators and rules:

  1. Negation changes the truth value of the proposition into its opposite.
  2. Disjunction brings out "true" value when at least one of the two propositions is so.
  3. Conjunction brings out "true" value when the two propositions are so.
  4. Conditional form brings out "true" value when both propositions are true or only the consequent is true or both propositions are false.

Now we present the complete table of truth value for the composite proposition:

       p           q          ¬ q          p ∨ ¬ q            (p ∨ ¬ q) ⇒ q

       T           T             F              T                           T

       T           F             T              T                           F            

       F           T             F              T                           T

       F           F             T              T                           F                          

To learn more on truth values: brainly.com/question/6869690

#SPJ1

7 0
2 years ago
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