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adelina 88 [10]
3 years ago
8

Jana is buying a cell-phone plan. She has two plans to choose from.

Mathematics
1 answer:
Svet_ta [14]3 years ago
5 0
Plan A: y = 400 + (60x)
Plan B: y = 200 + (85x)
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a practice field is 250 ft long the game is 40% longer than the practice field of how long is the game ​
Diano4ka-milaya [45]

Answer:

350

Step-by-step explanation:

40% of 250 is 100 (10% of 250 is 25 and 25 times 4 is 100)

250+100 is 350

8 0
3 years ago
If f(x)=x-3, which inequality can be used to find the domain of f(x)?
Scrat [10]

Given that,

f(x) = \sqrt{x-3}

To find,

The domain of f(x).

Solution,

We have, f(x) = \sqrt{x-3}

To find domain,

The term under the square root must be positive or null as follows :

x-3\ge 0

Adding 3 both sides

x-3+3\ge 0+3\\\\x\ge 3

So, the domain is x-3>0 .

3 0
2 years ago
Equation for "five elevenths times a number is 55"
nika2105 [10]
Let the unknown number be x.

5/11 * x = 55

Since x is being multiplied by 5/11, and you want x alone, you need to multiply both sides of the equation by the reciprocal of 5/11 which 11/5.

11/5 * 5/11 * x = 55/1 * 11/5

x = 605/5

x = 121

Answer: The number is 121.
4 0
3 years ago
Which statement best explains the relationship between numbers divisible by 9
AVprozaik [17]

Answer:

Step-by-step explanation:

A number divisible by 9 is also divisible by 3  because 3 is a factor of 9.

4 0
3 years ago
Find the error & explain why it is wrong:
ICE Princess25 [194]

Step b is wrong. The slope is the change in y over the change in x.

Step b should be (18- 8)/( 10-6)

= 10/4

= 5/2

8 0
2 years ago
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