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Arada [10]
4 years ago
15

Can someone help me with this

Mathematics
2 answers:
SOVA2 [1]4 years ago
5 0
X is how much it costs for one hour, so when you multiply it by 3 1/2, you get the amount of money charged for 3 and a half hours.
Anarel [89]4 years ago
3 0
X is the cost for one hour of labor, so to find for a specific amount we times and the specific time we want to find for is 3 1/2 based on the scenario
You might be interested in
At a certain vineyard it is found that each grape vine produces about 10 lb of grapes in a season when about 700 vines are plant
Delicious77 [7]

Answer:

Number of vines that should be planted are 150.

Step-by-step explanation:

The number of pounds of pounds of grapes produced per acre is represented by the expression A_{n}=(700+n)(10-0.01n)

Where n = additional vines planted

To maximize the production of grapes we will find the derivative of A(n) and equate it to zero.

A_{n}=(7000+3n-0.01n^{2} )

A'_{n}=(3-0.02n)

For A'_{n}=0

3 - 0.02n = 0

0.02n = 3

n = \frac{3}{0.02}

n = 150

To check whether the maximum value of the function is at n = 150, we will find the second derivative A(n).

A''_{n}=-0.02

Which shows A"(n) < 0

Therefore, A(n) has the maximum value at n = 150.

Therefore, number of vines that should be planted are 150.

5 0
4 years ago
(WILL GIVE BRAINLIEST)Find the polynomial function with real coefficients that has zeros 1, 1 , 2+ i sqrt 3
neonofarm [45]

Answer:

x^3-x^2(4+i\sqrt{3} )+x(5+i2\sqrt{3} )-(2+i\sqrt{3} )=0

Step-by-step explanation:

We have given that this polynomial has the given zeroes of 1, 1, and 2+i\sqrt{3}, we can express the polynomial in a factored form where each zero has the form x-a (where a is our zero):

polynomial= (x-1) (x-1) (2+i\sqrt{3})

                  =(x^2+1-2x) (2+i\sqrt{3})

                   =x^3-x^2(4+i\sqrt{3} )+x(5+i2\sqrt{3} )-(2+i\sqrt{3} )=0

8 0
4 years ago
Find the distance between points A (10,-1) and B (-2,5). Round to the nearest tenth
bija089 [108]

Answer:

<h2>The answer is 13.4 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2}  +  ({y1 - y2})^{2} }  \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

A (10,-1) and B (-2,5)

The distance is

|AB|  =  \sqrt{ ({10 + 2})^{2} +  ({ - 1 - 5})^{2}  }  \\  =  \sqrt{ {12}^{2}  +  ({ - 6})^{2} }  \\  =  \sqrt{144 + 36}  \:  \:  \:  \:  \:  \:  \:   \\  =  \sqrt{180}  \\  = 6 \sqrt{5}  \:  \:  \\  =13.416407

We have the final answer as

<h3>13.4 units to the nearest tenth</h3>

Hope this helps you

7 0
3 years ago
Mathematics is here!!!
Artist 52 [7]

Answer:

ya

Step-by-step explanation:

it is

8 0
4 years ago
What is 5×6×7/19×5.898 = ?<br> 100 Points Exclusive !!!
pshichka [43]

Answer:

65.188421

Step-by-step explanation:

hope i helped<3Have a nice day and remember to drink water!

8 0
3 years ago
Read 2 more answers
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