3 years ago

Can someone help me plz

Mathematics

1 answer:

tigry1 [53]3 years ago

4 0

Answer:

Step-by-step explanation:

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If f(x)=5x^3 and g(x)=x+1, find (f.g)(x)

Dahasolnce [82]

Answer:

B. 5x^4+5x^3

Step-by-step explanation:

(f.g)(x) = f(x) * g(x) = 5x^3 * (x+1)

= 5x^3 * x + 5x^3 * 1

= 5x^4 + 5x^3

4 0

4 years ago

£25 in the ratio 2:3

never [62]

2+3=5
25/5=5
5x2=10 3x5=15
so the answer is:
£10:£15

4 0

3 years ago

In a multiple choice exam, there are 5 questions and 4 choices for each question (a, b, c, d). Nancy has not studied for the exa

Elina [12.6K]

Answer: a) 0.07910, b) 0.000976, c) 0.7626

Step-by-step explanation:

Since we have given that

Number of questions = 5

Number of choices = 4

P(getting correct) = $\dfrac{1}{4}=0.25$

a) the ﬁrst question she gets right is the 5th question?

P(getting 4 wrongs answers and one right answer) is given by

$(1-0.25)^4\times 0.25\\\\=0.75^4\times 0.25\\\\=0.07910$

b) she gets all of the questions right?

P(all right )= $0.25^5=0.000976$

c) she gets at least one question right?

1-P(All of them wrong)

$=1-(1-0.25)^5\\\\=1-0.7565\\\\=1-0.2373\\\\=0.7626$

Hence, a) 0.07910, b) 0.000976, c) 0.7626

8 0

3 years ago

40 points urgent really need answer

Kipish [7]

$a_1=1\\a_2=1+4=5\\a_3=5+2\cdot4=5+8=13\\a_4=13+3\cdot4=13+12=25\\a_5=25+4\cdot4=25+16=41\\a_6=41+5\cdot4=41+20=61$

Answer: d. 25 + 16 = 41

6 0

3 years ago

The repeating decimal, 0.27..., is converted to the fraction 0.27..=3/x

brilliants [131]

I think the answer to your question is 11.11 I hope this helps

4 0

3 years ago

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