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2 years ago

Please help! I tried 1/4 and its wrong.

Mathematics

2 answers:

VikaD [51]2 years ago

7 0

Answer:

1/16

Step-by-step explanation:

jolli1 [7]2 years ago

4 0

Ok so on the first draw, 6/24 marbles are likely to be blue so there is 1/4 chance of obtaining blue originally. But, she puts it back and again it's 1/4 of obtaining the blue again. So 1/4 X1/4 = 1/16.

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The mosquito population is a function of rainfall, and can be approximated by the formula N(x)=−x3+45x2+1000 where x is the numb

KiRa [710]

Answer:

Therefore the population will be maximum when x=30 inches.

Step-by-step explanation:

Given that, the mosquito population is a function of rainfall and can be approximated by the formula

$N(x)= -x^3+45x^2+1000$

where x is the number of inches of rainfall.

$N(x)= -x^3+45x^2+1000$

Differentiating with respect to x

$N'(x)= -3x^2+90x$

Again differentiating with respect to x

$N''(x)=-6x+90$

Now we set N'(x)=0

$-3x^2+90x=0$

$\Rightarrow -3x(x-30)=0$

$\Rightarrow x=0,30$

$N''(0)=-6.0+90=90>0$

$N''(30)=-6.30+90=-90$

Since at x=30, N''(x)<0, So at x=30, N(x) has maximum value.

Therefore the population will be maximum when x=30 inches.

5 0

2 years ago

Which of the following is an example of a permutation?

N76 [4]

Permutation helps us to know the number of ways an object can be arranged in a particular manner. The correct option is D.

<h3>What are Permutation and Combination?</h3>

Permutation helps us to know the number of ways an object can be arranged in a particular manner. A permutation is denoted by 'P'.

The combination helps us to know the number of ways an object can be arranged without a particular manner. A combination is denoted by 'C'.

The example which is an example of permutation is Selecting a first-, second-, and third-place winner at baking.

Hence, the correct option is D.

Learn more about Permutation and Combination:

brainly.com/question/11732255

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7 0

1 year ago

Ronald is trying to reconstruct his spending pattern from May. He knows that he had $315 in his account on May 1, but after that

Valentin [98]

Answer: C. Ronaldo overviewed his account twice.

Step-by-step explanation:

Just took a test on edge.

7 0

3 years ago

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Group Sales Math Quiz

Andre45 [30]

Answer:

okay let's start

Step-by-step explanation:

$3\% = \frac{3}{100} \\ = 0.03 \\ total \: sales \: = 150000 \\ 0.03 \times 150000 = 4500 \\ \: for \: a \: month \\ therefore \: for \: a \: year \\ 4500 \times 12 = 54000 \\ \\ the \: answer \: is \: d$

4 0

2 years ago

Can someone pls help

Katyanochek1 [597]

Answer:

x = 35

Step-by-step explanation:

Sum of angles of triangle = 180°

60 + 60 + 4x - 80 = 180
40 + 4x = 180
4x = 140
x = 140/4
x = 35°

3 0

2 years ago

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