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White raven [17]
2 years ago
8

Pleaseee help me quicly

Mathematics
1 answer:
leonid [27]2 years ago
8 0

Answer:

Q.4=2x^2

Q.5=6l^2

may be this is helpful.

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During the period 1985–2012, the projected enrollment B (in thousands of students) in public schools and the projected enrollmen
Zina [86]
The equation that models the difference in the projected enrollments for public schools and private schools as a function of the number of years since 1985 is B - R = (-18.53t^2 + 975.8t + 48140) - (80.8t + 8049) = -18.53t^2 + 975.8t + 48140 - 80.8t - 8049 = -18.53t^2 + 895t + 40091
3 0
3 years ago
A vehicle factory manufactures cars. The unit cost (the cost in dollars to make each car) depends on the number of cars made. If
Nataly [62]

Answer:

The function is missing in the question. The function is $ C(x) = 0.8x^2 -544x +97410 $

The answer is 4930

Step-by-step explanation:

Unit cost of a car is given as

$ C(x) = 0.8x^2 -544x +97410 $

Cost will be minimum when

x = -(-544)/ 2 x 0.8

  = 340

Therefore, minimum cost for unit car is

$ C(x) = 0.8x^2 -544x +97410 $

$ = 0.8(340)^2 -544(340) +97410 $

=  4930

4 0
3 years ago
What is the value of fraction 1 over 2x3 + 5.2y when x = 2 and y = 3?
mihalych1998 [28]
I think is 1/27.6 because 2x equals 4 and times 3 equals 12. 5.2y equals 15.6. Then 15.6 plus 12 equals 27.6.
4 0
3 years ago
Which country like<br> ghana​
vaieri [72.5K]

Answer:

Ghana is a very beautiful country even in the history, Ghana's empire was a very legendary in Africa. There are many countries like Ghana in Africa like Benin, Sierra Leone, Mali, Songhai, Zimbabwe and Togo also Ivory Coast and Niger

5 0
3 years ago
Marty is 54 years old, and his niece is 6 how many times older is marty than his niece
Basile [38]

Answer:

9 times older.

Step-by-step explanation: Mark brainliest if this helps.

3 0
3 years ago
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