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3 years ago

6

A sprinkler rotates in a circular pattern and sprays water over a distance of 25 feet. Use 3.14 for pi. Round your answer to nea

rest tenth.

1 answer:

KiRa [710]3 years ago

3 0

Work attached. Hope this helped! :)

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The opposite of -a is always positive. True or false?<br> Answer it FAST please!!

musickatia [10]

Answer:True!

Step-by-step explanation:

The opposite of any negative number (a) will always be positive because -a is the opposite of +a

7 0

3 years ago

Can u guys help pls?

Contact [7]

Answer:

$(2 {n}^{2} ) ^{4} \\ 2 \times 2 \times 2 \times 2 \times {n}^{2 \times 4} \\ {2}^{4} \times {n}^{8} \\ = 16 {n}^{8}$

<h3>Answer B is correct</h3>

7 0

3 years ago

The cost function in a computer manufacturing plant is C(x) = 0.28x^2-0.7x+1, where C(x) is the cost per hour in millions of dol

Licemer1 [7]

9514 1404 393

Answer:

$562,500 per hour

Step-by-step explanation:

The cost will be a minimum where C'(x) = 0.

C'(x) = 0.56x -0.7 = 0

x = 0.7/0.56 = 1.25

The cost at that production point is ...

C(1.25) = (0.28×1.25 -0.7)1.25 +1 = -0.35×1.25 +1 = 0.5625

The minimum production cost is $562,500 per hour for production of 1250 items per hour.

_____

<em>Additional comment</em>

This is different than the minimum cost <em>per item</em>. This level of production gives a per-item cost of $450. The minimum cost per item is $358.30 at a production level of 1890 per hour.

5 0

2 years ago

Solve this math problem -2 1/3-(-5)=

dmitriy555 [2]

Answer:

8/3 or 2.6 repeating

4 0

2 years ago

Read 2 more answers

Write the equation of the following graph in vertex form.

Marat540 [252]

Answer:

Correct choice is 2. $f(x)=0.4(x+2)(x-5)$

Step-by-step explanation:

We have been given a graph of the quadratic function. Now we need to use that graph to find the equation of the graph in vertex form. By the way given choices written in intercept form so to be accurate we are going to find the equation in intercept form.

from graph we see that x-intercepts are at 5 and -2.

we know that if x=a is x-intercept then (x-a) must be factor.

So (x+2)(x-5) is the factor.

when leading coefficient is positive then graph opens upward.

so that means leading coefficient is 0.4

Hence correct choice is 2. $f(x)=0.4(x+2)(x-5)$

6 0

3 years ago