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Molodets [167]
2 years ago
5

A rectangular park is 56 miles wide and 157 miles long.

Mathematics
2 answers:
ivann1987 [24]2 years ago
8 0

Answer:

1 3/7 I got an 80% a B on this test because of this app :)

masha68 [24]2 years ago
6 0

Answer:

Hes already taken and Hes cracked at Fortnit my dude

Step-by-step explanation:

the answer is 1 3/7 btw

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Suppose that the cost of producing n pairs of shoes is given by the expression c(n)=30+5n. the average cost of producing a pair
makkiz [27]
<h3>Given</h3>

c(n)=30+5n\\a(n)=\dfrac{c(n)}{n}

<h3>Find</h3>

\dfrac{d}{dn}(a(n))\quad\text{at n=10}

<h3>Solution</h3>

\dfrac{d}{dn}(a(n))=\dfrac{d}{dn}\left(\dfrac{30+5n}{n}\right)=\dfrac{d}{dn}\left(30n^{-1}+5\right)\\\\=-30n^{-2}\\\\=-30\cdot 10^{-2}\qquad\text{at n=10}\\\\=-0.30

The derivative of the average cost function at n=10 is -0.30.

7 0
3 years ago
Complete the square. Fill in the number that makes the polynomial a perfect-square quadratic. x2 - 30k +
ahrayia [7]

Answer:

+225

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I need help with this problem ​
Andrei [34K]

Answer:

-20d^3 + 55d + 35.

Step-by-step explanation:

-4d(5d^2 - 12) + 7(d + 5)

= -20d^3 + 48d + 7d + 35

= -20d^3 + 55d + 35.

3 0
3 years ago
8. The ratio of students in Arts, Science and Commerce Faculties is 5: 4: 3. If the number
N76 [4]

Answer:

Arts=295, Commerce=177

Step-by-step explanation:

That the three subjects have a common ratio implies that there is some common factor between them that relates to the actual number of students in each area, so 5:4:3 means 5x:4x:3x for some value of x

We know that there are 236 science students, so 4x = 236 or x = 59

so the number of arts students is 5(59) and the number of commerce students is 3(59)

Arts = 5*59 = 295

Commerce = 3*59=177

3 0
3 years ago
CAN SOMEONE ANSWER THIS PLEASE! WILL THANK AND GIVE EXTRA POINTS
Pavlova-9 [17]
Choice 3 c=400t

= 33333
3 0
3 years ago
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