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disa [49]
2 years ago
14

Activity #2

Mathematics
2 answers:
loris [4]2 years ago
7 0

Answer:

Step-by-step explanation:

1. The sum of 5 and 8. _5+ 8 _____   =13

2. The product of 3 and 4.   _3*4____ = 12

3. The square of 8. __8^2____   = 64

4. The sum of a number and 3. __x+3___

5. 4 times a number subtracted from 78. _78-4x_____

vesna_86 [32]2 years ago
4 0

Answer:

thats all i know

Step-by-step explanation:

1.5+8

2.3×4

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Solve for x
serg [7]

Hey there!

  • \bold{4x^2+23x+28=0}
  • <em>Firstly,  factor the left side of your equation </em>
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  • <em>Set each of your terms to the number of \bold{0}</em>
  • \bold{4x+7=0}  \bold{or}  \bold{x+4=0}
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Good luck on your assignment and enjoy your day!

~\bold{LoveYourselfFirst:)}

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The weight of animal hearts can range widely. An African bull elephant's heart can weigh as much as 61.73 pounds. A blue whale's
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Please help solve with steps: Order of operation with integers.<br><br> 6 (divide by ) (-3) - (-9)
andreev551 [17]

Answer:

<h2>7</h2>

Step-by-step explanation:

Use PEMDAS:

P Parentheses first

E Exponents

MD Multiplication and Division

AS Addition and Subtraction

6:(-3)-(-9)           <em>first - division</em>

=-2+9          <em>use commutative property a + b = b + a</em>

=9+(-2)=9-2=7

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3 years ago
Which expression is equivalent to 5x-30?
MissTica
 5 x - 30

Factor out 5

5 ( x - 6)

alternative B

hope this helps !. :)
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