What is the product of (x+1) and (2x^2+3x-1)?

Answers

Answer 1

Answer: $(x+1)\cdot (2x^2+3x-1)=2x^3+3x^2-x+2x^2+3x-1=\n \n=2x^3+5x^2+2x-1$

Answer 2

Answer: (x+1)(2x^2+3x-1)
x(2x^2)+x(3x)+x(-1)+1(2x^2)+1(3x)+1(-1)
2x^3+3x^2-1x+2x^2+3x-1
2x^3+5x^2+2x-1

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The cooking time for a mini-loaf of bread is 5 minutes longer than half the time it takes to bake a regular-sized loaf of bread. If it takes 25 minutes to bake a mini-loaf, how long does it take to bake a regular-sized loaf?

Answers

it would take 40 minutes to bake a regular-sized loaf

Answer:

Step-by-step explanation:

Just took the test

JOSIE MAKES FRUIT PUNCH BY MIXING FRUIT JUICE AND LEMONADE IN THE RATIO 1:3 SHE NEEDS 24 LITRES OF PUNCH FOR A PARTYHOW MUCH FRUIT JUICE DOES SHE NEED?
FRUIT JUICE:
LEMONADE:
(IN LITRES)

Answers

the answer is as following:

Fruit juice:6

Lemonade:18

the answer has to equal 1/3 so the answer is 6 for fruit juice and 18 for lemonade

What is the value of 6P6? A.1 B.36 C.720 D.46,656

Answers

$the\ permutationon:\ \ n\ P\ x= (n!)/((n-x)!) \n \n6\ P\ 6= (6!)/((6-6)!) = (6!)/(0!)= (2\cdot3\cdot4\cdot5\cdot6)/(1)=720$

$Ans.\ C$

The value of 6P6 permutation is 720 .

To calculate the value of 6P6 ( permutation of 6 objects taken 6 at a time ), we can use the formula :

nPn = n !

where n is the total number of objects .

In this case, n = 6. So, substituting it into the formula :

6P6 = 6 !

Calculating the factorial of 6 :

6! = 6 × 5 × 4 × 3 × 2 × 1

= 720

Therefore, the value of 6P6 is 720 .

Hence, the correct answer is C . 720 .

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Solve for x.-3x - 8 = 10
A) -54
B) -6
C) 6
D) 54

Answers

the answer is B -3×-6= 18-8 =10

Answer:

the answer is B

Step-by-step explanation:

Over twenty years, it was found that the number of doctors of medicine, MD (in thousands), in the United States can be approximated by MD=(28,390+693t)/(85-t) where t=0 represents 1980. The number of doctors of osteopathy, DO (in thousands), can be approximated by DO=(776-12t)/(65-2t) .Write an expression for the total number I of doctors of medicine (MD) and doctors of osteopathy (DO). Simplify the result.

How many MDs did the United States have in 2010? How many MDs did the United States have in 2010?

Answers

The expression for the total number of doctors is $(-1374t^2+43192.22t+67805.35)/((65-2t)(85-t) )$

We have to write an expression for the number of MD and DO

a. MD + DO

$(28390+693t)/(85-t) +(776-12t)/(65-2t)$

This can be simplified as

$((28390+693t)(65-2t)+(776-12t)(85-t) )/((85-t)(65-2t) )$

$= (-1374t^2+43192.22t+67805.35)/((65-2t)(85-t) )$

b. If t = 0 in 1980, in 2010, t = 30

The number of MD would be

$(28390+693*30)/(85-30) \n= 379$

The number of DO would be

$(776-12*30)/(65-2*30)\n\n= 83$

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Answer:

16. the expression below.

17. about 470,933 MD's and about 18,743 DO's

Can someone help me out with this question ( giving brainliest)

Answers

Answer:

0.6

Step-by-step explanation:

the reason is because there are 5 different colors of marbles in the bag. it specifically says that each color has the same number of marbles for each color. so that would mean that there is 20% of each color of marble from the bag. its asking for three of the 5 colors. which means you would have a 60% chance of getting one of the colored marbles. which is were i got .6 from

Answer:

option d is a correct answer.....

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