<img src="https://tex.z-dn.net/?f=-%5Cfrac%7B1%7D%7B3%7D%20xz%28-9xy%2B15yz%29%2B3x%5E%7B2%7D%20%282yz%5E%7B2%7D%20-yz%29" id="T

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3 years ago

exFormula1" title="-\frac{1}{3} xz(-9xy+15yz)+3x^{2} (2yz^{2} -yz)" alt="-\frac{1}{3} xz(-9xy+15yz)+3x^{2} (2yz^{2} -yz)" align="absmiddle" class="latex-formula">

Mathematics

1 answer:

fgiga [73]3 years ago

3 0

( 6^2yz^2-5xyz^2 ) is the awnser

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Calculate the measure of each exterior angle of a 90 sided regular polygon. Explain.

forsale [732]

90 sides give us 90 angles

sum of all inside angels is (n-2) * 180 deg. where n is number of angels

so one inside angle is
(90-2)*180 deg / 90 = 88* 2 deg = 176 deg.

measure of exterior angle is 360 - 176 = 184 deg.

3 0

3 years ago

The average salary for a doctorate is 39,000 less than twice that of someone with a bachelor's degree. Combined, a people (one w

tester [92]

Answer:

doctorate salary: d = $71,000

bachelor salary: b = $55,000

Step-by-step explanation:

doctorate salary: d

bachelor salary: b

relationship between b and d: d = 2b - $39,000

Unfortunately, your "1 + 126,000" could not be correct. I'm going to assume that the total of the two salaries is $126,000. If that's the case, then:

bachelor salary + (2 times bachelor salary less $39,000) = $126,000. In symbols,

b + 2b - $39,000 = $126,000

Consolidating the 'b' terms results in 3b - $39,000 = $126,000, and so:

3b = $126,000 + $39,000 = $165,000

Dividing both sides by 3 yields the bachelor salary: b = $55,000

Then the doctoral salary is 2b - $39,000 = 2($55,000) - $39,000, or $71,000.

Check: Does b + (2b - $39,000) = $126,000? Yes.

Then the doctoral salary is d = $103,000, and the bachelor salary $29,000

6 0

3 years ago

Please solve #5 and explain how you solved it

Ira Lisetskai [31]

The answer is y = -2x + 10

5 0

3 years ago

Read 2 more answers

3 letters without replacement 4 letters A B C D how many ways can this be done if the order of the choices matters

Veseljchak [2.6K]

Answer:

Since the order of choice matters, we will permute the values. a bit more explanation for this:

If the order of choice did NOT matter, ABC and BCA will be counted as one since order of choice does NOT matter

Since order of choice does matter, ABC , BCA and CAB are all different possibilities for the arrangement of the same 3 letters

Since we have 3 slots:

___ ___ ___

Now, for the first slot. You can out either one if the 4 alphabets in the first slot since no slot has been used as of now

So:

_4_ ___ ___

**Keep in mind that the 4 is the possible number of values this slot can have**

Now that one slot has been used, one of the 4 alphabets has been used and since we are not allowed to repeat the same alphabets, we are left with 3 more alphabets

we can put any one of the 3 alphabets in this second slot, Hence:

_4_ _3_ ___

Now that 2 of the 4 alphabets have been used, we are left with only 2 alphabets, so there are only 2 possible alphabets for slot 3

Therefore:

_4_ _3_ _2_

Now that we know the possible alphabets for all 3 slots, we will multiply them with each other to get the total possible number of 3 - alphabet words we can make with 4 alphabets

Total possible words = 4 * 3 * 2

Total possible words = 24

We could've used the formula for Permutation as well

8 0

3 years ago

Graph the function f(x) = x3 – 4x – 1. Which are approximate solutions for x when f(x) = 0?

Scilla [17]

If f(x) is = to 0 then that means that you would have to plug the 0 in for all of the x that are in the function and the solve it.
f(x)= x3-4x-1
f(0)= (0)3-4(0)-1
0 0 0 -1
-1
so that means that -1 would be the answer for the function

5 0

3 years ago

Read 2 more answers