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posledela
3 years ago
13

A pea seller had some peas. He sold 40% of his stock and still had 420 peas. Originally, he had how many peas?

Mathematics
2 answers:
Olenka [21]3 years ago
6 0
420 --------60%
? ------------100%

100 x 420 / 60 = 700

answer
he had 700 peas o<span>riginally</span>
Zielflug [23.3K]3 years ago
3 0

100-40= 60%

60% = 0.60

420/0.60 = 700

he had 700 peas

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Read 2 more answers
Evaluate the piecewise function for the given values.
adoni [48]

Answer:

f(-3) = -2

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Step-by-step explanation:

(Whole question:

Evaluate the piecewise function for the given values.

Find f(-3), f(-2,6), f(0.6), and f(4.5) for f(x)={ -2 If x ≤ 0 4x. If 0 <x <1. x + 4. If x ≥ 1)

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So, for f(-3), the value of x is lesser than 0, so we have that f(-3) = -2

For f(-2.6), the value of x is lesser than 0, so we have that f(-3) = -2

For f(0.6), the value of x is between 0 and 1, so we have that f(0.6) = 4*0.6 = 2.4

For f(4.5), the value of x is greater than 1, so we have that f(4.5) = 4.5 + 4 = 8.5

5 0
2 years ago
Many electronics follow a failure rate described by an exponential probability density function (PDF). Solar panels are advertis
katovenus [111]

Answer:

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Step-by-step explanation:

According to the question,

Mean,

\frac{1}{\lambda}  = 13

\lambda = \frac{1}{13}

As we know,

The cumulative distributive function will be:

⇒ 1-e^{-\lambda x}

hence,

In the first 5 years, the probability of failure will be:

⇒ P(X

                    =1-e^{-(\frac{1}{13} )\times 5}

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                    =0.3193

3 0
3 years ago
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