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tangare [24]
3 years ago
14

Writing algebraic expressions need help with homework

Mathematics
1 answer:
mina [271]3 years ago
6 0

Answer:

a. 2x-2

b. Samuel's cousin's age

Step-by-step explanation:

To write this expression, first figure out what your variable stands for. In this case, we want x to represent Samuel's cousin's age, since this is an unknown value that will help us determine Samuel's age. Next, we can create an expression. 2x-2 tells us that Samuel is two years younger (represented by the -2 part of the expression) than twice his cousin's age (represented by the 2x part of the expression).

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nevsk [136]

Answer:

It should I only looked at the first few columns and the matched up

Step-by-step explanation:

5 0
2 years ago
In the school library, 28% of the books are non-fiction. If there are 1.224 fiction books in
denis-greek [22]

Answer:

1700 books

Step-by-step explanation:

We are given;

  • % of non-fiction books in the library as 28%
  • Number of fiction books in the library as 1,224 books

We are required to determine the total number of books.

First we determine the percentage of non-fiction books

We need to know that;

% of fiction books + % of non-fiction books = 100%

Therefore;

% of non-fiction books = 100 % - 28 %

                                    = 72%

Second we determine the total number of books

We know that;

Total number of books = 100%

But;

72% = 1,224 books

Therefore;

Total number of books = (1,224 × 100%) ÷ 72%

                                      = 1700 books

Hence, the library has a total number of 1700 books

7 0
3 years ago
Sara had some candy in her pocket. She first kept 2 pieces herself and then gave her 5 children 3 pieces each. If she didn't hav
Juli2301 [7.4K]

17 pieces. She had two and she had to have 15 to give to the children. If each child got 3 and there is 5. This turns into 3*5=15. Then you would add 15+2 to get 17

5 0
3 years ago
Need help rn please?/..Thank you. Multiple step equation
liubo4ka [24]

Answer:

The answer (using BEDMAS) is 27

Step-by-step explanation:

The equation 9 x [(18+2) ÷ 5 - 1] is solved using BEDMAS or PEDMAS

First solve the smaller bracket

18 + 2 = 20

So then it becomes 9 x [20 ÷ 5 - 1]

Do the division inside the bracket next

20 ÷ 5 = 4

Then it becomes 9 x [4 - 1]

Do then subtraction within the bracket

4 - 1 = 3

Then it becomes 9 x 3

Finally solve 9 x 3 which equals 27

5 0
3 years ago
What is 2x + 8y explained
SVEN [57.7K]

Answer:

2x + 8y = 16

Step-by-step explanation:

Subtract 2x from both sides of the equation.

8y = 16 − 2x

Divide each term by 8 and simplify.

3 0
3 years ago
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