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docker41 [41]
3 years ago
9

If y = 2x + 1, what is y when x = 3?

Mathematics
2 answers:
ivann1987 [24]3 years ago
5 0

Answer:

x=3

y=2x+1

y=2(3)+1

y=6+1

y=7

docker41 [41]3 years ago
5 0

Answer:

7

Step-by-step explanation:

y=2x+1 x=3

y=2(3)+1

y=6+1

y=7

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Use long division to find the quotient below.<br> (4x3 + 2x2 + 50) / (2x+5)
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Answer:

6.6

Step-by-step explanation:

(4×3+2×2+50)÷(2×5)=

(12+4+50)÷(10)=

66÷10=

6.6

Long division should look something like this:

    _<u>6 .6</u>__

10 )66.0

   - <u>60</u>

       60

     -<u> 60</u>

          0

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Which of the following sums would be under the radical symbol to find the distance between the points (7, -1) and (-8, -9)?
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The sum is 15^2 + 8^2 and it doesn't match any of the above


5 0
4 years ago
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What is the answer to this
mash [69]

Answer:

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  • decay
  • 0.05

Step-by-step explanation:

The value with the exponent is the "multiplier". It is 0.05.

This value is less than 1, so the function represents <em>decay</em>.

The initial value is the number that multiplies the exponential term. It is the value of A when t=0: 250.

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8 0
3 years ago
320 is what percent of 200?<br><br>​
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4 0
3 years ago
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A survey found that the American family generates an average of 17.2 pounds of glass garbage trash each year. Assume the standar
SIZIF [17.4K]

Answer: 0.8137

Step-by-step explanation:

As per given , we have

\mu= 17.2\ ,\ \sigma=2.5

Sample size : n= 47

Let \overline{X} be the sample mean o.

Then, the probability that the mean of a sample of 47 families will be between 16.6 and 17.6 pounds will be :

P(16.6

=P(-1.645

[∵ z= \dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}]

=P(z

=0.8636793-(1- 0.9500151)  [By using p-value calculator]

=0.8636793-0.0499849=0.8136944\approx0.8137

Hence, the probability that the mean of a sample of 47 families will be between 16.6 and 17.6 pounds= 0.8137

6 0
4 years ago
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