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Pani-rosa [81]
3 years ago
10

Subtract: 3a ( a+ b+ c) - 2b (a- b+ c) from 4c (-a + b + c)

Mathematics
1 answer:
Flura [38]3 years ago
6 0

Answer:

4c^2 - 3a^2 -7ac +6bc -ab

Step-by-step explanation:

solve first 3a( a + b + c) - 2b ( a+ b +c)

which is = 3a^2 + 3ab + 3ac - 2ab - 2b^2 -2bc

there for 4c(-a + b +c) -( 3a^2 + 3ab + 3ac - 2ab - 2b^2 - 2bc)

= -4ac-3ac +4bc+2bc -3ab+2ab + 4c^2 -3a^2

=4c^2 - 3a^2 -7ac +6bc -ab

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2
Over [174]

the thickness in scientific notation is:

4.3* 10⁻³ inches

<h3>How to write the thickness in scientific notation?</h3>

Here we know that the thickness of a dollar bill is 0.0043 inches.

Now, scientific notation refers to the notation where we have a single digit at the left of the decimal point, and the order of the number is defined by a factor of a power of 10.

To write our number in scientific notation we need to count the number of zeros that we have before the first non-zero decimal, and we can see that it is equal to 3.

Then we can move all the digits 3 units to the left, and add a factor 10⁻³ to correct that, then we will get:

0.0043 = 4.3* 10⁻³

From this, we conclude that the thickness in scientific notation is:

4.3* 10⁻³ inches

If you want to learn more about scientific notation:

brainly.com/question/5756316

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7 0
2 years ago
This test will not impact your grade.
ycow [4]

Answer:

im pretty sure the distance is across the y and x axis

Step-by-step explanation:

5 0
3 years ago
The list shows the temperature, in °F, at noon during a 9-day period.
crimeas [40]

Answer: the answer is 108

Step-by-step explanation:

6 0
3 years ago
Olivia is making granola bars. She will use 17.9 ounces of pistachios,12.6 ounces of almonds, 12.5 ounces of walnuts,and 12.5 ou
icang [17]
The answer is 43.5 because you add all of them then divide by 25
3 0
4 years ago
Read 2 more answers
I need help with this what would k be? Or is she correct
charle [14.2K]

Answer:

The value of k=1

So, Maura claim is incorrect. The value of k=1 and not k=1/2

Step-by-step explanation:

We need to determine the value of k if 2^4=16^k

We are given:

2^4=16^k

Exponent rule, if bases are equal the exponents are equal

We can write 16= 2^4

2^4=(2^4)^k\\2^4=2^{4k}

Now since the base is same, i,e 2 so, the exponents will be same

4=4k\\k=1

So, the value of k=1

So, Maura claim is incorrect. The value of k=1 and not k=1/2

3 0
3 years ago
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