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Mandarinka [93]
4 years ago
13

Combine the like terms to create an equivalent expression -3x-6+(-1)

Mathematics
1 answer:
Molodets [167]4 years ago
7 0
The answer on a app i have says it’s -3x - 7 so the person above me is right
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How many solutions does the system of equations below have?
PSYCHO15rus [73]

Answer:

Step-by-step explanation:

This is your eqaution right?

4y=8x+3 , 2y=8x-3

This equation has one solution

4 0
3 years ago
How many positive three-digit integers have the hundreds digit equal to 7 and the units (ones) digit equal to 1?
Lina20 [59]

Using the Fundamental Counting Theorem, it is found that there are 10 positive three-digit integers have the hundreds digit equal to 7 and the units (ones) digit equal to 1.

<h3>What is the Fundamental Counting Theorem?</h3>

It is a theorem that states that if there are n things, each with n_1, n_2, \cdots, n_n ways to be done, each thing independent of the other, the number of ways they can be done is:

N = n_1 \times n_2 \times \cdots \times n_n

The number of options for each selection are given as follows, considering there are 10 possible digits, and that the last two are fixed at 7 and 1, respectively:

n_1 = 10, n_2 = n_3 = 1

Hence, the number of integers is given by:

N = 10 x 1 x 1 = 10.

More can be learned about the Fundamental Counting Theorem at brainly.com/question/24314866

#SPJ1

7 0
2 years ago
In a neutral atom that has an atomic mass of 22 and atomic number of 12, how many neutrons does this element have?
lozanna [386]

Given :

  • In a neutral atom that has an atomic mass of 22 and atomic number of 12.

To Find :-

  • The number of neutrons .

Solution :-

<u>As </u><u>we</u><u> know</u><u> that</u><u>,</u>

  • n(neutrons) + n(protons) = A
  • n(neutrons) + 12 = 2 2
  • n(neutrons) = 22-12
  • n(neutrons) = 10

<u>Hence </u><u>the</u><u> </u><u>required</u><u> answer</u><u> </u><u>is </u><u>1</u><u>0</u><u>.</u>

8 0
3 years ago
Read 2 more answers
Which pair of functions are inverses of each other?<br>​
Tatiana [17]

Answer: c ic the answer

c is the answer

Step-by-step explanation:

c is the answer

5 0
3 years ago
In the diagram, m &lt; ACB = 65.<br> m &lt; ECA = <br><br> A. 180<br> B. 115<br> C. 65<br> D. 90
Westkost [7]
<span>m < ACB = 65.
m < ECA = 180 - 65 = 115

answer
</span>m < ECA  = 115

<span>B. 115</span>
3 0
3 years ago
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