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vichka [17]
3 years ago
5

a pay phon3 at a shopping mall charges $0.68 for the first four minutes and $0.21 for each additional find the cost of a 10-minu

te call on this phone.

Mathematics
2 answers:
ladessa [460]3 years ago
8 0
0.68 + (0.21x9)=2.57
 
BaLLatris [955]3 years ago
4 0
.68x4 =2.72. .21x6=. 1.26. 1 .26 plus 2.72 = $3.98
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ludmilkaskok [199]

2)

P(4,-4) -->(-4, 7)

4 - 8 = -4           -------->left 8

-4 + 11 = 7         -------->up 11

Answer: left 8;  up 11

3)

C(3,-1) , left 4 up 1

3 - 4 = -1    -------->left 4

-1 + 1 = 0   -------->up 1

a)

(x , y) -->(x - 4 , y +1)

C(3, -1) -->C'(-1 , 0)

b)

(x , y) --> (x - 4, y + 1); (-1 , 0)

7 0
3 years ago
9 x 10 to the power of 2 how many times as much as 3 x 10 to the -2 power
hjlf

Answer:

  3×10^4

Step-by-step explanation:

The desired factor is found by calculating the ratio of the two numbers:

  k = (9×10^2)/(3×10^-2) = (9/3)×10^(2 -(-2)) = 3×10^4

The first number is 3×10^4 = 30,000 times as much as the second number.

6 0
2 years ago
Twice the sum of eight and three times a number is seventy six. What is the number
Dahasolnce [82]

From the question we can deduce the formula to be 16 + 3n = 76

3n - 76 - 16

3n = 60

n = 20

20 is the answer.

3 0
3 years ago
Help me please ASAP!!
Tcecarenko [31]
Hello there k12 user. - i am in k12 too :)

cough.


use mathpapa look it up it should give your anwser i cant copy and paste it, but its there
just put in the numbers
6 0
3 years ago
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jenyasd209 [6]

Answer:

Read the explanation

Step-by-step explanation:

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8 0
2 years ago
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