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barxatty [35]
3 years ago
6

Find the value for 4x if x = 5

Mathematics
2 answers:
Sergio [31]3 years ago
5 0

Answer:

20

Step-by-step explanation:

4 multiplied by 5 is equal to 20. You substitute 5 for x.

BaLLatris [955]3 years ago
4 0

Answer:

20

Step-by-step explanation:

You are to multiply 5 by 4:  the outcome is 20.  That's all.

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Troyanec [42]
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Then f(-3) =  ------------------- = ---------------- = ------------ = 0.31 (approx)
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5 0
3 years ago
X^3+x²-36 Find all real zeros.
Harman [31]

Answer: x=3

Step-by-step explanation:

To find the zeros, you want to first factor the expression.

x³+x²-36

(x-3)(x²+4x+12)

Now that we have found the factors, we set each to 0.

x-3=0

x=3

Since x²+4x+12 cannot be factored, we can forget about this part.

Therefore, the zeros are x=3. You can check this by plugging the expression into a graphing calculator to see the zeros.

4 0
3 years ago
Tim has 72 football cards and ben has 33 football cards. How many more football cards does tim have?
ankoles [38]

Answer:

the answer is 39


Step-by-step explanation:

you have to just easily subtract 72-33= 39


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4 0
3 years ago
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Help me its due today
Tanzania [10]

Answer:

$65.35

Step-by-step explanation:

  1. First you have to divide 5.4% by 100
  2. Take 5.4/100 and multiply it by 62
  3. Take the number you get from step 2 and add it to 62! (:
4 0
3 years ago
Is -9 a solution of -9f=90-f
Fantom [35]

Answer:

f = -11.25

Step-by-step explanation:

-9f = 90 - f

-8f = 90

f = 90 / -8

f = -11.25

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3 years ago
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