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Phoenix [80]
3 years ago
8

Which of the following is equivalent to (7x + 3y)(8x + 5y)?

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
5 0

Answer:

56x^2 + 94xy

Step-by-step explanation:

(7x + 3y)(8x + 5y) =

56x^2 + 35xy + 24xy + 35xy = 56x^2 + 94xy

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X subtract 9 equals 3 / 5X
Korvikt [17]

Answer:

x=22\frac{1}{2}=22.5

Step-by-step explanation:

x-9=\frac{3}{5}x

  • First, lets get rid of the fraction. I did this by multiplying both sides by 5.

5(x-9)=5(\frac{3}{5}x)\\5x-45=\frac{5}{1} *\frac{3}{5}x\\5x-45=\frac{15}{5}x\\5x-45=3x

  • We want to isolate x on one side of this equation. Let's put any values with x on one side of the equation, and normal integers on the other.

2x=45

  • Divide both sides by 2.

x=\frac{45}{2}

  • If your teacher wants you to leave your final answer as an improper fraction, your final answer is this. If they want it to be a mixed number or decimal, your final answer will be:

x=22\frac{1}{2}=22.5

7 0
3 years ago
PLZ HELP DONT get wrong have 10 min HELP
MAVERICK [17]

Answer:

5.5 7

Step-by-step explanation:

4 0
3 years ago
Plzzzz help me <br><br><br> I will give brainliest to the right answer!
weeeeeb [17]
OK Ill help you.You Want to know what the part is to 35.The part to 35 would be
95

4 0
3 years ago
The number or variable for 5 is the number 4, and there’s a negative sign in between. For the parentheses in front of the 6 ther
Amiraneli [1.4K]

Answer:

11x^4

Step-by-step explanation:

The double negative automatically makes something positive. Your new expression is 5x^4 + 6x^4.

The only other thing you need to do is combine like terms by adding them together.

11x^4

3 0
3 years ago
5 times the sum of 7 and 23
Anika [276]
23 plus 7 is 30.  Now you multiply that by 5 to get 150.
8 0
3 years ago
Read 2 more answers
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