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V125BC [204]
3 years ago
14

A woman is purchasing fruit for some pies she is making for a party she wants to purchase at least 10 pounds of strawberries and

blueberries.Strawberries are sold for $2 per pound and blueberries are sold for $3 per pound she does no want to spend more that $25 total for the fruit
Mathematics
1 answer:
dlinn [17]3 years ago
5 0

Answer: 5  pounds strawberries  and 5 pounds  blueberries

Step-by-step explanation:

s+b=10

2s+b3=25

b=10-s

2s+3(10-s)=25

2s+30-3s=25

-s=-5

s=5

b=10-5

b=5

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jarptica [38.1K]
The answer is y=- 7/6x+8
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6 0
3 years ago
In a binomial experiment with 45 trials, the probability of more than 25 success can be approximated by What is the probability
Pani-rosa [81]

Answer:

0.6 is the probability of success of a single trial of the experiment

Complete Problem Statement:

In a binomial experiment with 45 trials, the probability of more than 25 successes can be approximated by P(Z>\frac{(25-27)}{3.29})

What is the probability of success of a single trial of this experiment?

Options:

  • 0.07
  • 0.56
  • 0.79
  • 0.6

Step-by-step explanation:

So to solve this, we need to use the binomial distribution. When using an approximation of a binomially distributed variable through normal distribution , we get:

\mu =\frac{np}{\sigma}=\sqrt{np(1-p)}

now,

Z=\frac{X-\mu}{\sigma}

so,

by comparing with P(Z>\frac{(25-27)}{3.29}), we get:

μ=np=27

\sigma=\sqrt{np(1-p)} =3.29

put np=27

we get:

\sigma=\sqrt{27(1-p)} =3.29

take square on both sides:

10.8241=27-27p

27p=27-10.8241

p=0.6

Which is the probability of success of a single trial of the experiment

5 0
3 years ago
Rachel harvested half as many watermelons as strawberries. If there ere 28 watermelons, how many strawberries did she get?
iren [92.7K]

Answer:

its 28

Step-by-step explanation:

8 0
3 years ago
Guys pls help me im failing my grade and i really need help plsssss and dont do it for the points
Nataliya [291]

Answer:

simplified:  \frac{3}{5}

unsimplified:  \frac{12}{20}

Step-by-step explanation:

Since the fractions have the same denominator, all we have to do is subtract the numbers in the numerator:

15 - 3 = 12

The difference of the two fractions is \frac{12}{20}. To simplify this answer, divide both the numerator and the denominator by 4:

12/4 = 3

20/4 = 5

The difference in simplified form is \frac{3}{5}.

I hope this helps. :)

6 0
3 years ago
1/2 x =6 What's the answer? Photo below.
Bad White [126]
X=12 because a half of 12 is six.
3 0
3 years ago
Read 2 more answers
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