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antiseptic1488 [7]
2 years ago
7

3x to the second power + 4x -7

Mathematics
1 answer:
slava [35]2 years ago
6 0
:) ksskskskakakakakakaoaoaoa
You might be interested in
The sum of two consecutive odd integers is 236. What is smaller integers
evablogger [386]
I'll say the first integer is x.  The next consecutive odd number would be x+2.  If the sum of the odd integers is 236, the equation would be
x + (x + 2) = 236
solve for x
2x + 2 = 236    
subtract 2 from each side of the equation
2x = 234
divide both sides by 2
x = 117
117 is the first odd integer.  to find the other integer (x + 2), substitute 117 for x, and you have 117 + 2, which equals 119
The two consecutive odd integers that add up to 236 are 117 and 119.
6 0
2 years ago
Can someone check my answers and if their wrong explain how to get the correct answer
Charra [1.4K]

Answer: 1. Correct, 2. Incorrect 90° angle not 80° angle answer is 50, 3. Is correct, 4. Is correct

Step-by-step explanation:

8 0
3 years ago
Sherri has 23 pieces of jewelry to sell. She sells the bracelets for $2 and the necklaces for $3, and earns a total of $55. If t
Oksana_A [137]

2x+3y=55

Step-by-step explanation:

5 0
2 years ago
4 tomatoes cost 3.4 what is the unit rate
choli [55]
4\ tomatoes\ :\ 3.40\ dollars

Divide each side by 4 (division property of equality lets us do this) to find the price of one tomato.

1\ tomato\ :\ \boxed{0.85\ dollars} (85 cents)
6 0
2 years ago
Read 2 more answers
Can anyone help me please?
miss Akunina [59]

Answer:

  5. -18x^3y^4 +54x^2y^4

  6. 6x^2 -40x +50

Step-by-step explanation:

Use the distributive property. The factor outside parentheses multiplies each term inside parentheses.

__

<h3>5.</h3>

  (9xy)(-2x^2y^3+6xy)=(9xy)(-2x^2y^3)+(9xy)(6xy^3)\\\\=\boxed{-18x^3y^4+54x^2y^4}

__

<h3>6.</h3>

  (3x-5)(2x-10)=3x(2x-10)-5(2x-10)\\\\=6x^2-30x-10x+50=\boxed{6x^2-40x+50}

7 0
2 years ago
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