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Vesnalui [34]
4 years ago
7

In sakura’s garden, for every 5 red flowers, there are 10 yellow flowers. There are a total of 75 yellow and red flowers in her

garden. How many ref flowers are in Sakura’s garden?
Mathematics
1 answer:
Pachacha [2.7K]4 years ago
5 0
The first thing we must do for this case is to define variables.
 We have then:
 x: number of red flowers
 y: number of yellow flowers.
 We write the system of equations:
 x + y = 75
 y = 2x
 Solving the system we have:
 x = 25
 y = 50
 Answer:
 
there are 25 red flowers in Sakura's garden
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damaskus [11]

Answer:

v = l * w * h

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8 0
3 years ago
Seventy-six percent of sunflower seeds will germinate into a flower, and a sample of 800 such sunflower seeds is randomly select
ollegr [7]

Answer:

12.08

Step-by-step explanation:

For each sunflower, there are only two possible outcomes. Either it germinates, or it does not. The probability of a sunflower germinating is independent of other sunflowers. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The standard deviation of the binomial distribution is:

\sqrt{V(X)} = \sqrt{np(1-p)}

Seventy-six percent of sunflower seeds will germinate into a flower

This means that p = 0.76

Samples of 800:

This means that n = 800

The standard deviation for the number of sunflower seeds that will germinate in such samples of size 800 is:

\sqrt{V(X)} = \sqrt{np(1-p)} = \sqrt{800*0.76*0.24} = 12.08

5 0
3 years ago
4x-5=2x+7 midpoint segmen
Bogdan [553]

Answer:

x = 6

Step-by-step explanation:

The way to solve this is by subtracting 2x from both sides. Now we have

2x-5=7

Then we add 5 from both sides. Now we have

2x=12

We do this because we want X by itself

Then we divide by 2 on both sides and now we have

x = 6

If you have any questions feel free to ask in the comments.

7 0
4 years ago
Hi I would like to know how I can solve this problem.
murzikaleks [220]

The n-th term is

U_n = \dfrac14 n^2 (n+1)^2

so the 39th term is

U_{39} = \dfrac14 39^2 40^2 = \boxed{608,400}

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which suggests that

V_n = 8U_n = \boxed{2n^2(n+1)^2}

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2 years ago
(2k2 - 8k + k4) - (7k+8k^2-5k^4) simplify each difference. write the final answer in standard form. identify the leading coeffic
charle [14.2K]

Answer:

-7k-8k^2+5k^4

Step-by-step explanation:

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3 years ago
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