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adelina 88 [10]
3 years ago
5

To figure out how many vacation days she had left to use, Rosanne looked over her old calendars to figure out how many days of v

acation she had taken each year.
Vacation days taken by Rosanne
Year Vacation days
2007 21
2008 37
2009 36
2010 39
2011 34
According to the table, what was the rate of change between 2008 and 2011?
Mathematics
2 answers:
san4es73 [151]3 years ago
7 0

Answer:

a,b,d

Step-by-step explanation:

Feliz [49]3 years ago
6 0

Answer:

people already answered it

Step-by-step explanation:

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A bakery made some cookies. 1/2 of the cookies were placed in large boxes. 3/7 of the cookies were placed in small boxes . The r
saul85 [17]

Answer:

378 cookies

Step-by-step explanation:

Let total amount of cookies be y

Let amount of cookies in each small box = x

let amount of cookies in each large box = x + 32

Therefore total amount of cookies in 18 small boxes = 18x

Total amount of cookies in 7 large boxes = 7(x+18) = 7x + 126

Fractional amount of cookies in small & large boxes = 1/2 + 3/7 = 13/14

Total amount of cookies in  small & large boxes = 18x + 7x + 126 = 25x + 126

Fractional amount of small cookies equals amount of small cookies in 18 boxes.

3/7y = 18x------------------Eqn 1

From eqn above y = 42x

Equating fractional sum & total sum =

25x + 126 = (13/14)y

Upon cross multiplication

350x + 1764 = 13y---------Eqn 2

Substituting y = 42x into equation 2

350x +1764 = 13(42x)

1764 = 546x - 350x

1764 = 196x

x = 9 cookies

Therefore total number of cookies = 42 × 9 = 378 cookies

5 0
3 years ago
Help plz:)))I’ll mark u Brainliest
babunello [35]

Answer:

h = 9

Step-by-step explanation:

cylinder A = \pi3^{2}*4 = 113.0973355 m^{3}

Cylinder B  = 113.0973355 m^{3}

113.0973355 m^{3} = \pi2^{2}*h

113.0973355 m^{3} / 4\pi = h

8.999999999998 = h

I think b/c of the rounding error of rounding off pi,  that h= 9

5 0
2 years ago
The function f(x) = 3x − 2 represents the altitude of a hot air balloon, where x is the time in minutes. The function g(x) = x2
cluponka [151]

Answer:

70

Step-by-step explanation:

If g(x) =x^2 -1, then

f[g(5)] = 3*(5^2-1) -2 =72-2= 70

6 0
3 years ago
99 POINTS!!
muminat

Answer:

.441558442 m =Wavelength

Step-by-step explanation:

The formula to find the speed of a wave is found by

Speed = Wavelength x Frequency  where the frequency is in HZ and the wavelength is in meters

340 =  Wavelength*770

Divide each side by 770

340/770 = Wavelength*770/770

.441558442 m =Wavelength

8 0
3 years ago
Read 2 more answers
Please help?
Sever21 [200]

Answer:

88 feet per second

Step-by-step explanation:

quick maths

3 0
2 years ago
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