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3 years ago

the ratio of red apples to green apples is 2:3 if there are 21 green apples how many red apples are in the basket

Mathematics

2 answers:

earnstyle [38]3 years ago

4 0

Answer:

Brainliest :)

zalisa [80]3 years ago

4 0

14 red apples

I think it’s 14, because to get to 3 in the ratio you have to divide 21 by 7, so you should multiply the 2 from the ratio by 7, and you end up with the answer of 14

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Help!!!!!! Please I have no idea what this is!!!

Semmy [17]

Answer:

33.49 cubic units

Step-by-step explanation:

$V_{sphere} = \frac{4}{3} \times \pi {r}^{3} \\ \\ V_{sphere} = \frac{4}{3} \times \pi {(2)}^{3} \\ \\ V_{sphere} = \frac{4}{3} \times \pi \times 8 \\ \\ V_{sphere} = \frac{32 \times 3.14}{3} \\ \\ V_{sphere} = \frac{100.48}{3} \\ \\ V_{sphere} = 33.4933333\\ \\ V_{sphere} \approx 33.49\: units^3$

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3 years ago

The variables A, B, and C represent polynomials where A = x + 1, B = x2 + 2x − 1, and C = 2x. What is AB + C in simplest form?

topjm [15]

AB + C
= (x + 1)(x^2 + 2x - 1) + 2x
= x^3 + 2x^2 - x + x^2 + 2x - 1 + 2x
= x^3 + 3x^2 + 3x - 1

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3 years ago

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In how many ways you can put 2 books on 5 shelves so that

Lostsunrise [7]

Answer:

Step-by-step explanation:

rfgg

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3 years ago

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3) show that the two lines with the given slopes are parallel, perpendicular neither. My₁ = 3/4 M₂ = 12/16 . solve it by showing

Jet001 [13]

Parallel lines have equal slope so

M1-M2=0

Lets check

M1=3/4
M2=12/16=3/4

Now

M1-M2
3/4-3/4
0

Lines are parallel

8 0

2 years ago

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In 2012, the population of a city was 6.29 million. The exponential growth rate was

RoseWind [281]

9514 1404 393

Answer:

a) P(t) = 6.29e^(0.0241t)

b) P(6) ≈ 7.3 million

c) 10 years

d) 28.8 years

Step-by-step explanation:

a) You have written the equation.

P(t) = 6.29·e^(0.0241·t)

b) 2018 is 6 years after 2012.

P(6) = 6.29·e^(0.0241·6) ≈ 7.2686 ≈ 7.3 . . . million

c) We want t for ...

8 = 6.29·e^(0.0241t)

ln(8/6.29) = 0.0241t

t = ln(8/6.29)/0.0241 ≈ 9.978 ≈ 10.0 . . . years

d) Along the same lines as the calculation in part (c), doubling time is ...

t = ln(2)/0.0241 ≈ 28.7613 ≈ 28.8 . . . years

4 0

3 years ago