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In-s [12.5K]
2 years ago
11

The ratio of magazines to books in the library at Grady’s school is 2 to 9. which of these is an equivalent ratio?

Mathematics
1 answer:
antiseptic1488 [7]2 years ago
7 0

Answer: B

Step-by-step explanation:

2/9 = 2(5)/9(5) = 10/45

You can multiply the numerator and the denominator by the same and the fraction will always be equivalent.

2 to 9 is equivalent to 10 to 45

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Which estimate of 7/10 x 16 uses a benchmark fraction
sashaice [31]
7/10 is 0.7
0.7 x 16 yields 11.2
11.2 is also 11 1/5
or 56/5 
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Adam rides his bike from his home to the school's bike lot at point F each day. Assuming he takes the same route home, how far d
Wewaii [24]
I'm saying the answer is D.
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Read 2 more answers
1. In each case, find p and ĝ.
lord [1]

Answer: E. :)

Step-by-step explanation:

6 0
3 years ago
The growth of a city is described by the population functionwhereis the initial population of the city, t is the time in years,
mamaluj [8]

Complete question:

The growth of a city is described by the population function p(t) = P0e^kt where P0 is the initial population of the city, t is the time in years, and k is a constant. If the population of the city atis 19,000 and the population of the city atis 23,000, which is the nearest approximation to the population of the city at

Answer:

27,800

Step-by-step explanation:

We need to obtain the initial population(P0) and constant value (k)

Population function : p(t) = P0e^kt

At t = 0, population = 19,000

19,000 = P0e^(k*0)

19,000 = P0 * e^0

19000 = P0 * 1

19000 = P0

Hence, initial population = 19,000

At t = 3; population = 23,000

23,000 = 19000e^(k*3)

23000 = 19000 * e^3k

e^3k = 23000/ 19000

e^3k = 1.2105263

Take the ln

3k = ln(1.2105263)

k = 0.1910552 / 3

k = 0.0636850

At t = 6

p(t) = P0e^kt

p(6) = 19000 * e^(0.0636850 * 6)

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P(6) = 19000 * 1.4653739

P(6) = 27842.104

27,800 ( nearest whole number)

3 0
3 years ago
You and your friend collect 180 cans for a food drive. The ratio of cans you collected to cans your friend collected is 4 to 5.
marissa [1.9K]
Are you looking for the number of cans you and your friend each collected? If yes, here is the solution:

Let x be the number of cans.

4x + 5x = 180
        9x = 180
     9x/9 = 180/9 (divide both sides of the equation by 9)
          x = 20

Now, substitute the values:
4(20) + 5(20) = 180
       80 + 100 = 180
               180 = 180

Therefore, you collected 80 cans and your friend collected 100 cans.
6 0
3 years ago
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