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Andrei [34K]
3 years ago
8

Can i get some help please??? Thanks!!!!

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
8 0

Answer:

9.6

Step-by-step explanation:

d =  \sqrt{ {8}^{2}  +  {2}^{2} +  {5}^{2}  }  \\  =  \sqrt{64 + 4 + 25}  \\  =  \sqrt{93}  \\  = 9.64365076 \\  = 9.6

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The toll on a bridge is $1.00 for cars and $2.50 for trucks. In one hour, a tollbooth operator collects a total of $105 in tolls
prisoha [69]

$1.00c + $2.50t = $105

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4 years ago
A mathematical algorithm that predicts the percentage of the time each digit will appear in a sequence of numbers is: a. horizon
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Answer: B. Benford's law

Step-by-step explanation:

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4 years ago
2. Multiply 6⁄5 × 25⁄24 .
andrew-mc [135]
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3 years ago
Which step is part of a proof showing the opposite sides of a parallelogram ABCD are congruent?
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8 0
3 years ago
Read 2 more answers
The equation of a parabola is y=x2+6x+9. Write the equation in vertex form.
nignag [31]

Answer:

Step-by-step explanation:

Vertex form is accomplished by completing the square on the quadratic. Do this by first setting the parabola equal to 0 then moving the constant over to the other side:

x^2+6x=-9

Now take half the linear term, square it, and add it to both sides. Our linear term is 6. Half of 6 is 3, and 3 squared is 9:

x^2+6x+9=-9+9

The reason we do this is to create a perfect square binomial on the left:

(x+3)^2=0 (obviously the 0 results from the addition of 9 and -9). Move the 0 back over to the other side and set the quadratic back equal to y:

(x+3)^2+0=y

This gives you a vertex of (-3, 0), which is a minimum value, since the parabola opens upwards.

6 0
3 years ago
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