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mina [271]
2 years ago
15

Simplify the expression. -3(1+n)-6n

Mathematics
2 answers:
Firlakuza [10]2 years ago
7 0
-3 - 9n I am 100% sure this is the answer I hope this helped
BabaBlast [244]2 years ago
5 0

Answer:

− 3 − 9 n

Step-by-step explanation:

Simplify the expression

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A group of 2 adults and 4 children spent $38 on tickets to a museum. A group of 3 adults and 3 children spent $40.50 on tickets
solong [7]

Answer:

a=8

c=5.5

Step-by-step explanation:

solve simultaneously:

2a + 4c = 38.00

3a + 3c = 40.50

times the first eq. by 3 and the second by 2

6a + 12c = 114

6a +6c = 81

subtract from one another

6a + 12c = 114

-6a +6c = 81

6c = 33

c=5.5

3a + 3x5.5 = 40.50

3a= 24

a=8

7 0
3 years ago
Whole numbers are _____ integers. . . . .A. always. B. sometimes. C. never
guapka [62]

Whole numbers are sometimes integers.

\boxed{ \ The \ Answer \ is \ B \ }

<h3>Further explanation</h3>
  • The set of natural numbers (also called the set of counting numbers) is denoted by N:  \boxed{ \ N = \{1, 2, 3, ...\} \ }.
  • Natural numbers together with zero called are called whole numbers. The set of whole numbers is denoted by W: \boxed{ \ W = \{0, 1, 2, 3, ... \} \ }.
  • The set of natural numbers are not enough for all the number problems in everyday life. For example, natural numbers cannot be used to write some winter temperatures, since such temperatures may be less than zero i.e., negative numbers.
  • The set of integers are the union of the set of negative numbers with the set of natural numbers  and zero. The set of integers is denoted by Z:  \boxed{ \ Z = \{..., -3, -2, -1, 0, 1, 2, 3, ... \} \ }.
  • The set of negative integers is denoted by Z⁻: \boxed{ \ Z^- = \{ ..., -3, -2, -1 \} \ }.
  • The set of positive integers is denoted by Z⁺: \boxed{ \ Z^+ = \{1, 2, 3, ... \} \ }.
  • The set of non-negative integers are the set of all positive integers together with zero.
  • The set of non-positive integers are the set of all negative integers together with zero.

Conclusion:

Whole numbers are sometimes integers because negative integers are not part of whole numbers. In other words, whole numbers are not fully integers.

----------------------------------

Examples of integers around us:

  • The height of an airplane flight typically between 31,000 and 38,000 feet.
  • Ice melts at 0⁰C.
  • This diver is swimming at -20 m.
<h3>Learn more</h3>
  1. 9 ten thousand divided by 10 in unit form brainly.com/question/4786449
  2. What represents the simplified form of an expression: 5(14 - 2)² ÷ 2 brainly.com/question/1602237
  3. Explanations and an example of a question about the four types of number form brainly.com/question/4725342

Keywords: whole numbers are sometimes integers, always, never, natural, counting, zero, negative integers, positive, the set

7 0
3 years ago
Read 2 more answers
Rewrite the expression as a single logarithm and simplify the result.<br> ln lcosxl +lnltanxl
NNADVOKAT [17]
Recall your logarithms rules

\bf ln|cos(x)|+ln|tan(x)|\\\\&#10;-----------------------------\\\\&#10;log_{{  a}}(xy)\implies log_{{  a}}(x)+log_{{  a}}(y)\qquad thus\\\\&#10;-----------------------------\\\\&#10;ln|cos(x)tan(x)|\implies ln\left| cos(x)\cdot \cfrac{sin(x)}{cos(x)} \right|\implies &#10;ln|sin(x)|
6 0
3 years ago
How do I solve it because it’s really difficult
dybincka [34]

The solution of the equation is x= 3 and y = 2

Step-by-step explanation:

Given,

-3x-4y = -17 and

-x-3y = -9

The system of equation can be rewritten as

3x+4y = 17 ------eq 1 and

x+3y = 9 ------ eq 2

To solve for x and y

Multiplying eq 2 by 3 we get,

3x + 9y = 27

or, 3x = 27-9y

Putting this value of x into eq 1 we get,

27-9y +4y = 17

or, -5y = 17-27

or, -5y = -10

or, y = 2

Now put y=2 in eq 2 we get,

x = 9 - 3(2)

= 3

Hence the solution is x = 3 and y = 2

6 0
3 years ago
I need help!
artcher [175]
Set the function equal to 2065 and solve for g, then that answer is how many games he played
4 0
3 years ago
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