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KatRina [158]
3 years ago
12

1) solve for y.

Mathematics
1 answer:
stepladder [879]3 years ago
7 0
As a variable in algebra, but variables can be any letter. An expression ... Evaluate each expression if x. 2, y. 7, and z. 4. 1. x y z. 2. (z x) y. 3. 2x z. 4. 4y. 3z. 5. 4(x y) z. 6. ... The order in which numbers are multiplied does not the sum. ..... Find the quotient of 110 and 11. Solve each equation. 11. t. 72 6. 12. 84 6 p. 13. 40 (8) f.[PDF]
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Simplify the following expression: (5x2 + 3x + 4) − (2x2 + 7x − 1). If the final answer is written in the form Ax2 + Bx + C, wha
Andrews [41]

Answer:

 

3x + 2x2 + 4 = 5

3x + 2x2 + 4 – 5 = 5 – 5

First be sure that the right side of the equation is 0. In this case, all you need to do is subtract 5 from both sides.

 

3x + 2x2 – 1 = 0

2x2 + 3x – 1 = 0

Simplify, and write the terms with the exponent on the variable in descending order.

 

2x2

+

3x

–

1

=

0

↓

 

↓

 

↓

 

 

ax2

 

bx

 

c

 

 

 

a = 2, b = 3, c = −1

 

Now that the equation is in standard form, you can read the values of a, b, and c from the coefficients and constant. Note that since the constant 1 is subtracted, c must be negative.

Answer

2x2 + 3x – 1 = 0; a = 2, b = 3, c = −1

Step-by-step explanation:

8 0
3 years ago
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alexira [117]
24 pine trees in equal rows, with the number of trees in each row being 10 or more than the number of rows.
Hugo could have planted 12 trees in 2 rows.
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Nataly_w [17]
It would be equal to 1/4.
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At the store, Sam bought 4 hats for $65. What is the cost of 1 hat?
kupik [55]

Answer:

$16.25

Step-by-step explanation:

4 hats cost $65

1 hat cost 65/4=16,25

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If I have 1200 dollars and it is 30 percent of my income. What is my income
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Your\ income =  \frac{1200}{30\%} =  \frac{1200}{0.3}  = 4000\$\ \ Answer
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