3 years ago

Surface Area of this triangular prism?

Mathematics

1 answer:

blondinia [14]3 years ago

3 0

240 ft^2 70 is each of the rectangular sides and each side of 15. 70+70+70+15+15= 240

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3 years ago

Printed circuit cards are placed in a functional test after being populated with semiconductor chips. A lot contains 140 cards,

Ray Of Light [21]

Answer:

The probability that at least 1 defective card is in the sample is $0.9644$

Step-by-step explanation:

Here

N = 140

and n = 20

We will use the below given formula

P(at least 1 defective) = 1 - P( 0 defectives)

P( 0 defectives) =

$= \frac{^{20}C_0 * ^{120}C_{20}}{ ^{140}C_{20}}\\= 0.0356 1-0.0356 \\= 0.9644$

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3 years ago

What is the result when we simplify the expression

Ostrovityanka [42]

Answer:

Step-by-step explanation:

Here you go mate

Step 1

(1+1x)(1-2x+1)(1+2x-1) Equation/Question

Step 2

(1+1x)(1-2x+1)(1+2x-1) Remove parenthesis

-2x^2+2-4x^3+4x+2x^2-2

Step 3

-2x^2+2-4x^3+4x+2x^2-2 Simplify

-4x^3+4x

Answer

-4x^3+4x

Hope this helps

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sattari [20]

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In a breakfast cereal, 40% of its weight is fruit.

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4 years ago

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