3 years ago

Help plz I need this answer

1 answer:

meriva3 years ago

4 0

The y-intercept is (0, 2). Only choices C and D will give that value. Of those, choice C is a decreasing exponential, while choice D is an increasing one (as shown in the graph).

The best selection is
D. F(x) = 2(2.1)^(2x)

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A committee of 3 members is selected from a club made up of 9 junior members and 21 senior members. What is the expected number

Alchen [17]

Answer:

answer is two

Step-by-step explanation:

check the image i have attached i have explained evwrwything

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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

Koda is solving 13 × 16. He used an area model to help work through each step. Which calculation did Koda make to get the highli

Anastasy [175]

Step-by-step explanation:

Since we have given that

Koda is solving

$13\times 16$

According to question, he used an area model to help work through each step.

So, it can be written as

$13=10+3\\\\16=10+6$

so, Let the length will be

$13=10+3$

Let the breadth will be

$16=10+6$

So, area will be

$l\times b\\\\=(10+3)\times (10+6)\\\\=10(10+6)+3(10+6)\\\\=10\times 10+10\times 6+3\times 10+3\times 6\\\\=100+60+30+18\\\\=208$

So,

13×16=208

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4 years ago

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Which does not represent the interior angle measures of a triangle

Brums [2.3K]

Answer:

Step-by-step explanation:

they all should equal 180

d does not

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3 years ago

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Marina correctly simplified the expression , assuming thatHer simplifed expression is below.

Naddika [18.5K]

Answer:

Step-by-step explanation:

$\frac{a^{m}}{a^{n}}=a^{m-n}$

$\frac{b^{4}}{b^{-3}}=b^{4-(-3)}=b^{4+3}=b^{7}$

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3 years ago