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siniylev [52]
3 years ago
5

(x^2+3y-3) - (-2x^2+3y-1)

Mathematics
1 answer:
Vitek1552 [10]3 years ago
5 0
(x^2+3y-3) - (-2x^2+3y-1)
Apply plus/minus rule.
-(-a)=a amd -(a)=-a
(x^2+3y-3) - (-2x^2+3y-1)=x^2+3y-3+2x^2-3y+1

=x^2+3y-3+2x^2-3y+1 \\
Add \ like \ terms \\
=3x^2 - 2 \\
Answer: \  3x^2-2
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My name is Ann [436]

Answer:

ye that is the correct answer

3 0
3 years ago
A baseball team wants a pitcher no more 150 innings during a season. So far, the pitcher has pitched <img src="https://tex.z-dn.
butalik [34]

Answer:

C. 6 because any answer besides that is too low or too high.

Step-by-step explanation:

110.25 pitches so far- 150 at max. 5.75 pitches per game.

4: 4x5.75 = 23

110.25 + 23 = 133.25

5. 5x5.75 = 28.75

110.25 + 28.75 = 139

6: 6x5.75 = 34.5

110.25 + 34.5 = 144.75

7: 7x5.75 = 40.25

110.25 + 40.25 = 150.50 > which rounds up to 151

5 0
3 years ago
The perimeter of the rectangle is 146 units. What is the length of the longer side?
NeTakaya

we know that

the perimeter of the rectangle is equal to

P=2W+2L

where

P is the perimeter of the rectangle

W is the width of the rectangle

L s the length of the rectangle

In this problem

P=146\ units \\ W=2x\\ L=3x+3

Substitute the values in the formula above

P=2W+2L\\ 146=2*(2x)+2*(3x+3)\\ 73=2x+3x+3\\ 5x=70\\ x=14\ units

W=2x=2*14=28\ units\\ L=3x+3=3*14+3=45\ units

therefore

the answer is

the length of the longer side of the rectangle is equal to 45\ units

7 0
3 years ago
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Which of the following is the solution to |7x+12|=12
tamaranim1 [39]

Answer:

x=-\frac{24}{7}\\x=0

Step-by-step explanation:

1. You must clear the absolute value bars.

2. You have two cases: a positive case and a negative case.

3. First, you can solve the positive case as following:

7x+12=12\\7x=12-12\\x=0

4. Now, you must solve thie negative case as you can see below:

-(7x+12)=12\\-7x-12=12\\-7x=24\\x=-\frac{24}{7}

5. Therefore, the answer is:

x=-\frac{24}{7}\\x=0

6 0
3 years ago
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solniwko [45]

Answer:

B

Step-by-step explanation:

The probability is 1/9

3 0
3 years ago
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