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STALIN [3.7K]
3 years ago
9

How do u write 30,270,904 in word form

Mathematics
2 answers:
kozerog [31]3 years ago
8 0
Thirty thousand, two hundred seventy thousand, nine hundred and four
Zolol [24]3 years ago
7 0

Thirty million, two hundred seventy thousand, nine hundred and four.

Please correct any mistakes in my answer!! I'd be happy to fix it!! :)

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Zeituni's standard deduction on her federal income tax return is $5700. If she paid $4670 in state taxes and $1180 in mortgage i
riadik2000 [5.3K]

Answer:

The answer is No.

Step-by-step explanation:

Zeituni's standard deduction on her federal income tax return is $5700.

she paid $4670 in state taxes and $1180 in mortgage interest last year, totaling to  : 4670+1180=$5850

So, no, she should not use her standard deduction because it is less than the deduction she will get from itemizing.

6 0
3 years ago
Read 2 more answers
F is a twice differentiable function that is defined for all reals. The value of f "(x) is given for several values of x in the
nadezda [96]

The correct answer is actually the last one.

The second derivative f''(x) gives us information about the concavity of a function: if f''(x) then the function is concave downwards in that point, whereas if f''(x)>0 then the function is concave upwards in that point.

This already shows why the first option is wrong - if the function was concave downwards for all x, then the second derivate would have been negative for all x, which isn't the case, because we have, for example, f''(8)=5

Also, the second derivative gives no information about specific points of the function. Suppose, in fact, that f(x) passes through the origin, so f(0)=0. Now translate the function upwards, for example. we have that f(x)+k doesn't pass through the origin, but the second derivative is always f''(x). So, the second option is wrong as well.

Now, about the last two. The answer you chose would be correct if the exercise was about the first derivative f'(x). In fact, the first derivative gives information about the increasing or decreasing behaviour of the function - positive and negative derivative, respectively. So, if the first derivative is negative before a certain point and positive after that point. It means that the function is decreasing before that point, and increasing after. So, that point is a relative minimum.

But in this exercise we're dealing with second derivative, so we don't have information about the increasing/decreasing behaviour. Instead, we know that the second derivative is negative before zero - which means that the function is concave downwards before zero - and positive after zero - which means that the function is concave upwards after zero.

A point where the function changes its concavity is called a point of inflection, which is the correct answer.

7 0
3 years ago
A. If 3x + 10º and 4x - 5° are the angle of a linear pair find their measurement.
kaheart [24]

Answer:

85° and 95°

Step-by-step explanation:

A linear pair of angles sum to 180° , then

3x + 10 + 4x - 5 = 180

7x + 5 = 180 ( subtract 5 from both sides )

7x = 175 ( divide both sides by 7 )

x = 25

Then

3x + 10 = 3(25) + 10 = 75 + 10 = 85°

4x - 5 = 4(25) - 5 = 100 - 5 = 95°

7 0
3 years ago
Round 0.311 to the nearest tenth
vodomira [7]
0.3 because it’s less than 5
5 0
3 years ago
Read 2 more answers
Which equation shows how to find the place value relationship between the first 6 and the second 6 in 662? 60 ÷ 6 = 10 600 – 60
natita [175]

Answer:

600÷60=10

Step-by-step explanation:

six hundred is ten times sixty

6 0
3 years ago
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