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3 years ago

Write this number in word form. 451,354

Mathematics

2 answers:

sdas [7]3 years ago

7 0

Four hundred fifty one thousand, three hundred and fifty four

hope this helps

____ [38]3 years ago

6 0

Answer:

four hundred fifty one thousand three hundred fifty four

Step-by-step explanation:

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Kara wrote this number sentence

uranmaximum [27]

Well she probably has 0 blue hair ties and 5 red hair ties.

6 0

3 years ago

Read 2 more answers

You have 9 identical balls, one of which is heavier than the rest. What is the smallest number of times you need to weigh the ba

Dvinal [7]

You could do this with two weighings assuming its a two pan balance - (1) place three balls on each side - if they balance out then its the remaining three that has abnormal ball (2) out of that group, place one ball on each side - if balances it out, the abnormal ball is the remaining one.

If the weighing in step (1) does not balance out, grab the group of three balls that is light or heavy and repeat step (2) described above.

7 0

3 years ago

Please help! what is an equation of a parabola with x-intercepts at (2,0) and (-7,0) and which passes through the point (1,32)?

grandymaker [24]

Answer:

$f(x)=-4(x-2)(x+7)$

Or, in standard form:

$f(x)=-4x^2-20x+56$

Step-by-step explanation:

We can use the factored form of a quadratic equation:

$f(x)=a(x-p)(x-q)$

Where a is the leading coefficient and p and q are the zeros of the quadratic.

We know that the x-intercepts are at (2, 0) and (-7, 0).

So, let's substitute 2 for p and -7 for q. This yields:

$f(x)=a(x-2)(x+7)$

Now, we need to determine a.

We know that it passes through the point (1, 32). In other words, if we substitute 1 for x, we should get 32 for f(x). Therefore:

$32=a(1-2)(1+7)$

We can now solve for a. First, compute:

$32=a(-1)(8)$

Multiply:

$32=-8a$

Divide both sides by -8:

$a=-4$

So, the value of a is -4.

Therefore, our entire equation is:

$f(x)=-4(x-2)(x+7)$

Notes:

We can expand this into standard form:

$f(x)=-4(x-2)(x+7) \\ f(x)=-4(x^2+5x-14) \\ f(x)=-4x^2-20x+56$

5 0

3 years ago

Cole Jumped rope for 7 1/2 minutes how many seconds did he jump rope

Assoli18 [71]

Answer:

450

Step-by-step explanation:

We know that Cole did jump rope for 7 1/2 minutes.

In one minute there are 60 seconds. So we know that for each minute there is a 60 in it.

So, 7 x 60 = 420 then a half minute is thirty seconds (we know this because half of sixty is thirty.)

So we simply add 30 to 420 getting 450.

4 0

4 years ago

Find the equation of the line that is perpendicular to y=1/3x-3 and passes through the point (3,-2)

sveta [45]

Answer:

y = -3x + 7

Step-by-step explanation:

Using the equation of line

y = mx + C

y - y_1 = m(x - x_1)

First find the slope

With eqn y = 1/3x - 3

Note, if two lines are perpendicular, their slope will be negative reciprocal

slope = m = -3/1

Using y - y_1 = m(x - x_1)

With point ( 3, -2)

x_1 = 3

y_1 = -2

y - (-2) = -3/1(x - 3)

y + 2 = -3/1(x -3)

Open bracket

y + 2 = -3(x - 3)/1

y + 2 = (-3x +9)/1

y = (-3x + 9 )/1 - 2

LCM is 1

y = -3x + 9 - 2

y = -3x + 7

The equation of the line is

y = -3x + 7

5 0

3 years ago