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Karo-lina-s [1.5K]
3 years ago
8

Simplify 5+n+(15-2).

Mathematics
1 answer:
Julli [10]3 years ago
4 0

Answer:

n= -17

Step-by-step explanation:

Simplifying

5 + n + (15 + -2) = 0

Combine like terms: 15 + -2 = 13

5 + n + (13) = 0

5 + n + 13 = 0

Reorder the terms:

5 + 13 + n = 0

Combine like terms: 5 + 13 = 18

18 + n = 0

Solving

18 + n = 0

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-18' to each side of the equation.

18 + -18 + n = 0 + -18

Combine like terms: 18 + -18 = 0

0 + n = 0 + -18

n = 0 + -18

Combine like terms: 0 + -18 = -18

n = -18

Simplifying

n = -18

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Katen [24]
You can find a common demominator and then change 8 1/4 into a mixed number and just subtract
7 0
3 years ago
An ice cream shop has a sign in their window that says, "We sell 12,000 scoops per month." The number of scoops has been rounded
dsp73

Answer:

B - 12,111

C - 11,589

Step-by-step explanation:

Here are the options

A - 10, 999

B - 12,111

C - 11,589

In order to round off to the nearest thousand, look at the hundred figure, if the number is greater or equal to 5, add 1 to the thousand figure. If this is not the case, add zero. Replace all the figures before the thousand figure with zero. i.e. the hundred ten, unit

Rounding off 10,999 to the nearest thousand is 11,000

the hundred figure is greater than 5, so one is added to the thousand figure. The

Rounding off 12,111 to the nearest thousand is 12,000

the hundred figure is less than 5, so zero is added to the thousand figure.

Rounding off 11,589 to the nearest thousand is 12,000

the hundred figure is equal to 5, so one is added to the thousand figure.

6 0
3 years ago
PLEASE HELP!!!!!
statuscvo [17]
The second one is the function
6 0
3 years ago
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f(x)=3x^(4)-5x^(3)-5x^(2)+5x+2 The number 3 is an upper bound for the set of roots of this polynomial function True or False
Leona [35]

Answer: TRUE

Step-by-step explanation: The number 3 is an upper bound because use 3 as a multiplyer of each bcoefficient of the polynomial and at each multiple,subtract the next coefficient from it. if all result after subtraction show positive, then the number used is an upper bound. This method is known as the synthetic division.

3        3      -5     -5        5         2

         0        9     12       21       78

         3        4      7        26       80

7 0
3 years ago
Given h(x) =3x-4 find x if h(x) =17
NikAS [45]

Answer:

x=7

Step-by-step explanation:

h(x) = 17 so you would input 17 for h(x). The equation should look like this. 17= 3x-4. Add 4 to both sides changing the equation to 21 = 3x. Finally divide both side by 3 and you should get x = 7.

6 0
3 years ago
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