How do u write 4,000,000+3,000+50+2 in standard form

Answers

Answer 1

Answer: The answer to that would be 4,003,052.

Answer 2

Answer: 4,003,052 is the answer

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There is a school with 1,000 students and 1,000 lockers. On the first day of term the headteacher asks the first student to go along and open every single locker, he asks the second to go to every second locker and close it, the third to go to every third locker and close it if it is open or open it if it is closed, the fourth to go to the fourth locker and so on. The process is completed with the thousandth student. How many lockers are open at the end?

Answers

As many were opened during the time period. Jk, I don't know. This is a hard one

Hello,

answer: 31

I have make a programm in Qbasic

CONST Faux = 0
CONST Vrai = NOT (Faux)
CONST nb = 1000
DIM SHARED locker(nb) AS INTEGER
DIM i AS INTEGER, j AS INTEGER, answer AS INTEGER
'1 first student
FOR i = 1 TO nb: locker(i) = Vrai: NEXT i: ' CALL See
'2 2nd student
FOR i = 2 TO nb STEP 2: locker(i) = Faux: NEXT i: 'CALL See
FOR j = 3 TO nb
    FOR i = j TO nb STEP j
        locker(i) = NOT (locker(i))
    NEXT i
    'CALL See
NEXT j
answer = 0
FOR i = 1 TO nb
    IF locker(i) THEN answer = answer + 1
NEXT i
PRINT "answer="; answer
END

SUB See

SHARED locker() AS INTEGER
DIM i AS INTEGER
locker(0) = 0
FOR i = 1 TO nb
    PRINT locker(i);
    IF locker(i) THEN locker(0) = locker(0) + 1
NEXT i
PRINT locker(0)

END SUB

Which expression is equal to (x+4)(−3x2−4x+2)? −3x3−4x2+2x+8 −3x2−4x+8 −3x3−16x2−14x+8 −3x2−3x+6

Answers

Answer:

−3x3−16x2−14x+8

Step-by-step explanation:

first times the first x in parentheses by everything in the second

(x)(-3x^2) and (x)(-4x) and (x)(2)

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

Then times the 4 by the other variables in the parentheses

(4)(-3x^2) and (4)(-4x) and (4)(2)

-12x^2-16x+8

now the whole equation:

-3x^3-4x^2+2x -12x^2-16x+8

now you must simplify or add like terms

-3x^3-16x^2-14x+8 is your answer, which is the first one.

Answer:

I believe this is what you're looking for

Step-by-step explanation:

Order the following from least to greatest.

Answers

Answer:

Hi there!

Your answer is:

-26/5 , -5.17 , √33 , 37/6

Step-by-step explanation:

-26/5 = -5.2

-5.17 = -5.17

✓33= 5.7

37/6 = 6.16

If 3x^2-2x+7=0,then (x-1/3)^2= please help with detailed steps because i dont really understand it. I know the answer is -20/9 but please explain

Answers

Answer:

$-(20)/(9)$

Explanation:

A quadratic function is a kind of function with highest degree 2 . Standard form of the quadratic equation : tex]ax^2+bx+c=0[/tex]

Further explanation:

Consider the given quadratic equation : $3x^2-2x+7=0$

First we divide both sides by 3 , we get

$x^2-(2)/(3)x+(7)/(3)=0$ --------(1)

Compare this equation to $x^2+2ax+a^2$ , we have

$2a=(-2)/(3)$

$\Rightarrow\ a=(-1)/(3)$ [divide both sides by 2]

Now using the completing the squares method , Add and subtract $((-1)/(3))^2$ to the left side in (1), we get

$x^2-(2)/(3)x+((-1)/(3))^2-((-1)/(3))^2+(7)/(3)=0$

It can be written as

$(x^2-2((1)/(3))x+(1)/(3))^2)-(1)/(9)+(7)/(3)=0$

Use identity $x^2-2ax+a^2=(x-a)^2$ , we have

$(x-(1)/(3))^2)+(7(3)-1)/(9)=0$

$(x-(1)/(3))^2)+(20)/(9)=0$

Subtract $(20)/(9)$ from both the sides , we get

$(x-(1)/(3))^2)=-(20)/(9)$

Therefore, the value of $(x-(1)/(3))^2)=-(20)/(9)$

Learn more :

brainly.com/question/10449635 [Answered by Calculista]

brainly.com/question/1596209 [Answered by AkhileshT]

Keywords :

Quadratic equation, standard form, completing squares method, Polynomial identities.

For this case we have the following polynomial:

$3x^2-2x+7=0$

To solve the problem, we must complete squares.

The first step is to divide the entire expression by 3.

We have then:

$(3)/(3)x^2-(2)/(3)x+(7)/(3)=0$

The second step is to place the constant term on the right side of the equation:

$(3)/(3)x^2-(2)/(3)x=-(7)/(3)$

The third step is to complete the square:

$(3)/(3)x^2-(2)/(3)x + (-(1)/(3))^2=-(7)/(3)+ (-(1)/(3))^2$

Rewriting we have:

$x^2-(2)/(3)x + (1)/(9)=-(7)/(3)+ (1)/(9)$

$(x-(1)/(3))^2 = -(20)/(3)$

Answer:

By completing squares we have:

$(x-(1)/(3))^2 = -(20)/(3)$

Bob has 120 beadsThe beads are either red or green
Bob gives 3/4 of the beads to his friend
2/3 of the beads bob now had are red
Work out how many green beads bob now has

Answers

Now from 120 beads, Bob has 10 green beads.

What is ratio?

Ratio basically compares quantities, that means it show value of one quantity with respect to other quantity.

If a and b are two values, their ratio will be a:b,

Given that,

Total number of beads = 120,

Since, Bob gives 3/4 of the beads, So the remaining beads,

= 120×1/4

=30

Now from these 30 beads, 2/3 beads are red,

So red beads are = 30×2/3 = 20

Therefore, green beads are = 30-20= 10

Bob has 10 green beads.

To learn more about Ratio on :

brainly.com/question/13419413

#SPJ2

Bob has 10 green beads you can show this by dividing 120 by 4 and that then leaves 30 beads which is 1/4 of the original amount of beads. Now knowing that Bob has 30 beads you put it into an equation with x over 30 equal to 2/3 that then makes you able to see that if you multiple the denominator by 10 you get 30 so you do the same to the numerator causing x to be 20 and that is the amount of the red beads leaving 10 beads to be green.

What is 89 divided by 21?

Answers

The Answer to That Would Be 4.2380952381.

Approximately 4.2381 or if you want the exact number, you must write it as a fraction $(89)/(21)$

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