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Semenov [28]
3 years ago
11

Gregg’s phone plan charges $.50 per text message plus $.70 a day. Howard’s plan charges $.30 a text plus $2.50 a day. For what n

umber of texts, a day are the cost of the phone plans the same? Show work.
Mathematics
1 answer:
Kaylis [27]3 years ago
4 0

Answer:

x=9

Step-by-step explanation:

.5x+.7 = .3x+2.5

     -.7   -.3x

.2x=1.8

/.2    /.2

x=9

.5(9)+.7=5.2

.3(9)+2.5=5.2

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(6x - 3y) -2(x + 4y)
bezimeni [28]

Answer:

4x-11y

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What are the integer solutions to the inequality below? 3 < 3 x − 1 < 2 x + 6
natita [175]

Answer:

4/3<x<7

Step-by-step explanation:

Given the inequalities

3 < 3 x − 1 < 2 x + 6

Add 1 to all sides

3+1 < 3x-1+1<2x+6+1

4 < 3x < 2x + 7

Split

4 < 3x

3x > 4

x > 4/3

4/3 <x

Also

3x < 2x + 7

3x-2x < 7

x <7

Combine

4/3<x<7

Hence the required solution is 4/3<x<7

3 0
3 years ago
a cylinder water tank carries a volume of 150L when it is full. The water tank has a base surface with a diameter of 140 cm. wha
REY [17]

Answer:

9.74418019cm=h

~ 9.7442

Step-by-step explanation:

volume of a cylinder=πr²h

radius=½of diameter

=½×140cm

=70cm

1l=1000cm³

150l=150l/1l×1000cm³

=150000cm³

150000cm³=π(70cm)²×h

150000cm³=15393.8040cm²h

150000cm³/15393.8040cm²=15393.8040cm²h/15393.8040cm²

150000cm³/15393.8040cm²=h

9.74418019cm=h

7 0
3 years ago
Gina invested $10,000 at 1.5% interest compounded annually. How much interest will Gina earn in 2 years
Paha777 [63]
Gina will earn at least 30% of intreat in the next 2 year .
5 0
3 years ago
Solve application using algebra. Write your equation or inequality and show your solving steps. The sum of 3 consecutive integer
Mashcka [7]

Answer:

Integers are 48, 49, 50

Step-by-step explanation:

x+(x+1)+(x+2) = 147

3x + 3 = 147

3x = 147-3

x = 144 / 3 = 48

3 0
4 years ago
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