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Studentka2010 [4]
3 years ago
14

Write an expression that is equivalent to (3x-2)-x^2+2x+5), combing like terms

Mathematics
1 answer:
ss7ja [257]3 years ago
4 0

Answer:

-x^2+5x+3

Step-by-step explanation:

Remove unnecessary parenthesis.

3x-2-x^2+2x+5

Collect like terms.

5x+3-x^2

Use the commutative property to reorder the terms.

-x^2+5x+3

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Find the value of x<br><br> 3/4 x-4=8
Vesna [10]

Answer: x  =  16

Step-by-step explanation:

Solve for   x  by simplifying both sides of the equation, then isolating the variable.  :)

7 0
3 years ago
A human heart beats an average of 80 beats per minute.How many beats is this in an hour?express your answer in scientific notati
nlexa [21]

Answer:

4,800

Step-by-step explanation:

Sorry I don't know how to explain it scientifically but I know how to do the calculations

1) Theres 60 minutes in an hour

2) 80x60= 4,800 beats

4 0
3 years ago
Please help... Math is so hard for me. Can someone please explain?
777dan777 [17]

Answer:

3rd choice

Step-by-step explanation:

the 3rd choice is the same as all of the others just in fraction form .you need to keep fraction form for the statement to still be true

8 0
3 years ago
Read 2 more answers
Which phrase represents the algebraic expression 3p+6/7p-9
omeli [17]

Answer:

The answer is the sum of three times a number and six, divided by the difference of seven times the number and nine

Step-by-step explanation:

3p = three x a number

7p = seven x a number

3p+6 = sum of three x a number plus six

7p-9 = difference of seven x the number minus nine

(3p+6)/(7p-9) = sum of three times x number plus six, divided by the difference of seven x the number - nine

7 0
3 years ago
Yoshi's yogurt contains 15 calories per ounce. How many calories are in a 5-ounce container of Yoshi's yogurt?
Soloha48 [4]

Answer:

The answer is 15*5=75.

Step-by-step explanation:

So to get the answer you need to know how many calories are in a ounce of yogurt which is 15. Then you you multiply 15*5 to get how many calories are in a 5 ounce of yogurt. When you solve 15*5=75, use either  a calculator or solve it down on paper. To know that you got the right answer for 15*5= 75 please punch it in on a calculator. I hope this helps if you need any more clarificatio please comment! Thanks!

6 0
2 years ago
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