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Snowcat [4.5K]
2 years ago
13

Unit test Evaluate the following expression. Sum 2+1x2 ng de racting

Mathematics
1 answer:
DIA [1.3K]2 years ago
3 0

Answer:

  • 2+7∛³≡34543.8947924

Step-by-step explanation:

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An item is regularly priced at $80 . It is on sale for 20% off the regular price. How much (in dollars) is discounted from the r
Mazyrski [523]

80 * .20=16

It is 16 dollars off the regular price


3 0
3 years ago
Which expressions are equivalent to 12x - 6? ​
iren2701 [21]
<h3>Answer</h3>

B and E

<h3>Explanation</h3>

A) It's wrong because

- 6 \times (2x - 1) =  - 12x + 6

B) It's right because

6 \times (2x - 1) = 12x - 6

C) It's wrong because

6x \times (2 - 1) = 6x \times 1 = 6x

D) It's wrong because

- 6x \times (2x - 1) =  - 12 {x}^{2} + 6

E) It's right because

- 6 \times ( - 2x + 1) = 12x - 6

F) It's wrong because

6 \times ( - 2x + 1) =  - 12x + 6

8 0
3 years ago
Solve for m.<br> 22m^2 + 7m - 2 = 0
pshichka [43]

Answer:

x= -1/2 and x=2/11

Step-by-step explanation:

Write the 7x as a difference. It'll make it easier to factor out. An example of this would be 11x-4x

Therefore, the equation would look like this: 22x^2 + 11x-4x -2 =0

Look at it as if there are two equations: 22x^2+11x and -4x-2

Factor out the greatest common factor, which is 11 from the first equation. The equation will then look like this: 11x(2x+1)

Take the GCF for the second equation as well (which is -2). The equation should then also look like this: (2x+1)

Use the numbers on the outside of each of the parenthesis to form its own equation (to factor it out). This will be 11x-2

Now we have factored! Since the parenthesis equations are the same, we know that that is also part of the equation, so:

(11x-2)(2x+1)

Solve each equation for x by equaling them both to zero

5 0
3 years ago
3 x 7/18 as a fraction in simplest form
vazorg [7]
7/6 is the answer. If you divide the denominator by 3, you would get it
6 0
2 years ago
Please answer the questions!!!please!!!!!
bearhunter [10]

Answer:

I think #5 is c.

Step-by-step explanation:

because it says 50% without decimal and it's doesn't equal to 1/2%

8 0
3 years ago
Read 2 more answers
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