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notka56 [123]
3 years ago
12

Which ratios are equivalent to 30:20. 40:30, 10:0, 3:2, 6:2.

Mathematics
2 answers:
Marizza181 [45]3 years ago
8 0

Answer:

3:2

Step-by-step explanation:

i simpilified

Ilia_Sergeevich [38]3 years ago
6 0

Answer:

3:2 and 6:4

Step-by-step explanation:

On Edge :)

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The high school has 23 teachers and 575 students what is the ratio of teachers to students
Dennis_Churaev [7]

Answer:

1:25

Step-by-step explanation:

if you divide 575 by 23 you get 25, therefore there are 25 students per 1 teacher

8 0
3 years ago
Stacy goes to the county fair with her friends. The total cost of ride tickets Is given by the equation c = 3.5t, where c is the
murzikaleks [220]
C = 3.5t....when t = 15
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5 0
3 years ago
The average value of a function f over the interval [−2,3] is −6 , and the average value of f over the interval [3,5] is 20. Wha
Xelga [282]

Answer:

The average value of f over the interval [-2,5] is \frac{10}{7}.

Step-by-step explanation:

Let suppose that function f is continuous and integrable in the given intervals, by integral definition of average we have that:

\frac{1}{3-(-2)} \int\limits^{3}_{-2} {f(x)} \, dx = -6 (1)

\frac{1}{5-3} \int\limits^{5}_{3} {f(x)} \, dx = 20 (2)

By Fundamental Theorems of Calculus we expand both expressions:

\frac{F(3)-F(-2)}{3-(-2)} = -6

F(3) - F(-2) = -30 (1b)

\frac{F(5)-F(3)}{5-3} = 20

F(5) - F(3) = 40 (2b)

We obtain the average value of f over the interval [-2, 5] by algebraic handling:

F(5) - F(3) +[F(3)-F(-2)] = 40 + (-30)

F(5) - F(-2) = 10

\frac{F(5)-F(-2)}{5-(-2)} = \frac{10}{5-(-2)}

\bar f = \frac{10}{7}

The average value of f over the interval [-2,5] is \frac{10}{7}.

4 0
3 years ago
To make iced tea, 5 tea bags can be added to 1 gallon of water. Find how many bags can be used for 4 gallons of water
Nata [24]

Answer:

20 tea bags

Step-by-step explanation:

if 5 is 1 gallon then you do 5x4=20

4 0
3 years ago
This isn’t a work question but, how do I exactly get used to having online classes??
FinnZ [79.3K]

Answer:

well it might take some time to get used to going on the work and doing it. then soon or later you will be used to going on online classes

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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