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4 years ago

Write this number in expanded form 20,484,163

Mathematics

2 answers:

viva [34]4 years ago

8 0

Twenty million, four hundred and eighty four thousand, one hundred and sixty three.

svetoff [14.1K]4 years ago

7 0

(2·10,000,000) +(4·100,000)+(8·10,000)+(4·1000)+(1·100)+(6.10)+(3·1)
the dots nean multiply

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I really don't understand this I need help

Salsk061 [2.6K]

In looking at it I would guess it is asking which of the points is on the line? To answer that you would have to take each point an plug it into the equation and see if it is true.

3x - 7 = y

A(9,20)
3(9) - 7 = 20
27 - 7 = 20
20 = 20 True - this point is on the line

B(5,0)
3(5) - 7 = 0
15 - 7 = 0
8 = 0 False - this point is not on the line

C(3,2)
3(3) - 7 = 2
9 - 7 = 2
2 = 2 True - this point is on the line

I hope this helps

7 0

3 years ago

If the last digit of a number is 0 or 5, then the number is divisible by 10. True False

Whitepunk [10]

Answer:

False

Step-by-step explanation:

15 isn't divisible by 10

3 0

3 years ago

Read 2 more answers

1 day 24 hours 60 minutes 60 seconds

torisob [31]

Answer:

86,400

Step-by-step explanation:

7 0

3 years ago

one x-intercept for a parabola is at the point (2, 0). use the quadratic formula to find the other x-intercept for the parabola

omeli [17]

Answer:

Step-by-step explanation:

There are 3 ways to find the other x intercept.

1) Polynomial Long Division.

Divide x^2 - 3x + 2 by the binomial x - 2, because by the Factor Theorem if a is a root of a polynomial then x - a is a factor of said polynomial.

2) Just solving for x when y = 0, by using the quadratic formula.

$x^2 - 3x + 2 = 0\\x_{12} = \frac{3 \pm \sqrt{9 - 4(1)(2)}}{2} = \frac{3 \pm 1}{2} = 2, 1$ .

So the other x - intercept is at (1, 0)

3) Using Vietta's Theorem regarding the solutions of a quadratic

Namely, the sum of the solutions of a quadratic equation is equal to the quotient between the negative coefficient of the linear term divided by the coefficient of the quadratic term.

$x_1 + x_2 = \frac{-b}{a}$

And the product between the solutions of a quadratic equation is just the quotient between the constant term and the coefficient of the quadratic term.

$x_1 \cdot x_2 = \frac{c}{a}$

These relations between the solutions give us a brief idea of what the solutions should be like.

6 0

4 years ago

Round 1400 to the nearest 10

anygoal [31]

Answer:

1395 is the lower bound because 1395 rounded to the nearest 10 is 1400 but 1394 rounded to the nearest 10 is 1390.

Step-by-step explanation:

7 0

3 years ago