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BlackZzzverrR [31]
3 years ago
11

Can you help me please​

Mathematics
2 answers:
Fiesta28 [93]3 years ago
8 0
The picture is very blurry
Murrr4er [49]3 years ago
4 0

Answer:

Im pretty sure you divide 13 by x

Step-by-step explanation:

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Use spherical coordinates. Evaluate e underroot x2 + y2 + z2 dV, where E is enclosed by the sphere x2 + y2 + z2 = 81 in the firs
aniked [119]

Answer:

The answer is below, see below:

Step-by-step explanation:

6 0
3 years ago
Samantha and Matt are each saving for new bikes. So far, Samantha has saved $15 and can earn $2 per hour for babysitting. Matt h
Sophie [7]

Answer:

  • 6 hours

Step-by-step explanation:

<u>We know that:</u>

  • Samantha = 15 + 2x
  • Matt = 3 + 4x
  • Samantha = Matt
  • [x = Number of hours]

<u>Solution:</u>

  • 15 + 2x = 3 + 4x
  • => 15 - 3 = -2x + 4x
  • => 12 = 2x
  • => x = 6

Hence, after 6 hours of work, Samantha and Matt will have the same amount.

7 0
2 years ago
Mark buys a wooden board that is 7 1/2 feet long. The cost of the board is $0.50 per foot, including tax. What is the total cost
artcher [175]

Answer:

Total cost of Mark's board is $3.75.

Step-by-step explanation:

We are given the following in the question:

Length of wooden board =

=7\dfrac{1}{2}\text{ foot}

Unit cost of board = $0.50 per foot

Total cost of board =

=\text{Length of board}\times \text{Unit cost of board}\\\\=7\dfrac{1}{2}\times 0.50\\\\=\dfrac{15}{2}\times \dfrac{1}{2}\\\\=\dfrac{15}{4} = 3.75\$

Thus, total cost of Mark's board is $3.75.

7 0
3 years ago
Find the time water would take to fall from each height in the table to its starting level
Schach [20]
What is the question
6 0
4 years ago
Which equation represents a linear function? y=4/x+1, y=2/3x -1/2
Tom [10]

Answer:

y = 2/3x - 1/2

Step-by-step explanation:

y = 2/3x - 1/2 is a linear function. It contains a slope and a y-intercept and every x value will produce a unique y value.

y = 4/x + 1 is a rational function, as it contains a fraction.  

3 0
3 years ago
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