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Liula [17]
3 years ago
12

Determine whether the given value is a solution of the equation: x + 15 = 10; x=5 *

Mathematics
2 answers:
kobusy [5.1K]3 years ago
5 0

Answer:

It is not correct, x = -5

Step-by-step explanation:

disa [49]3 years ago
4 0

Answer:

no

Step-by-step explanation:

because 5+15=10

-15=15

x= -5

which means its NOT a solution because it equals -5

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Round 60.2551187 to the nearest degree​
dsp73

Answer:

60

Step-by-step explanation:

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3 years ago
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16. Scott and his wife Maria have cell phone plans in which they pay for each call minute and text message
valina [46]

Answer:

The cost for each call minute is $0.03 or equivalently 3 cents.

Step-by-step explanation:

We let the cost for each call minute be x and the cost for each text message be y. Scott's cost function in terms of x and y is;

95x + 207y = 23.55............. (1)

On the other hand, Maria's cost function in terms of x and y is;

162x + 124y = 17.26.............. (2)

Therefore, we have two equations in x and y which can be solved simultaneously.

In order to determine the cost for each call minute, we shall simply determine the value of x.

Using elimination method, we can eliminate y and determine x;

We multiply the first equation by 124,

11780x + 25668y = 2920.20..........(3)

We then multiply the second equation by 207,

33534x + 25668y = 3572.82........(4)

Subtracting equation 3 from 4 yields;

21754x = 652.62

x = 0.03

Thus the cost for each call minute is $0.03 or equivalently 3 cents.

7 0
4 years ago
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Aliun [14]

Answer:

Bet I need new friends

Step-by-step explanation:

:)

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3 years ago
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Plz help stuck on the question
Gekata [30.6K]
The length of the rectangle is n-3, ok, the width is 2

the area of a rectangle is just length * width

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so, if you simplify either of those, you'd end up with 2n-6.

because same/same = 1, and 1 * anything, is just anything itself.
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3 years ago
Which expression is equivalent to 2/9÷2/3
cluponka [151]
2/9 / 2/3 = 2/9 x 3/2 or 2/3 x 9/2

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