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nordsb [41]
4 years ago
12

The cost of a blackberry phone at John's Electrontics is $249.99. this cost includes a twelve percent sale tax. How much is the

initial cost of the phone.
Mathematics
1 answer:
slamgirl [31]4 years ago
5 0

Answer:

$219.99

Step-by-step explanation:

To find the price without the sale tax you find the opposite of 12%, which would be 88%.  Then you multiply .88 by 249.99 to get 219.9912, and since it is money you round to the hundreth to get 219.99.

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The product of two rational numbers is (-28/81). If one of them is (-2/3), the find the other.
KatRina [158]

Answer:

The other rational number is \dfrac{14}{27}.

Step-by-step explanation:

First rational number is \dfrac{-2}{3}

Let other rational number is \dfrac{x}{y}

The product of two rational numbers is \dfrac{-28}{81}

According to question,

\dfrac{x}{y}\times \dfrac{-2}{3}=\dfrac{-28}{81}

Multiplying both sides by (-3/2) such that,

\dfrac{x}{y}\times \dfrac{-2}{3}\times \dfrac{-3}{2}=\dfrac{-28}{81}\times \dfrac{-3}{2}\\\\\dfrac{x}{y}=\dfrac{14}{27}

So, the other rational number is \dfrac{14}{27}.

6 0
3 years ago
Read 2 more answers
Solve the equation for x 23=5-2y
GaryK [48]

23=5-2y

Get y alone,

23-5= 18

18= -2y

Divide to find y

18/-2=-9

Y= -9


Or since you asked for x, X=no solutions.


Hope it helps ❤️

3 0
3 years ago
Your statement balance is 600.00 You have an outstanding checks for
pochemuha

Answer:

B

Step-by-step explanation:

600+125+175=900-400(deposit)=500

or

600-125-175-300-200=100+400=500

Brainliest Please :)

8 0
3 years ago
Renee spent $15.50 on Amazon today and Alex spent $9.69. How much more did Renee spend than Adam
ExtremeBDS [4]

Answer:

$5.81

Step-by-step explanation:

15.50-9.69=5.81

5 0
3 years ago
Read 2 more answers
Veata wants to know what percent of students at her school are left-hand dominant. Veata recalls that when students were randoml
Romashka-Z-Leto [24]
Randomly assigned group. the art class isn't random and only consists of a select type of people--it is not a representative sample; maybe more left handed people enjoy art than do right handed people! therefore, even though the randomly assigned group is smaller, it is the better estimate.
7 0
3 years ago
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