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Mrac [35]
2 years ago
9

4. a) x2 + xy2 + y 4​

Mathematics
1 answer:
GenaCL600 [577]2 years ago
7 0

Answer:

x2 + xy2 + y 4=(x+y^2)^2-xy^2

Step-by-step explanation:

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2/3x-7=17 some help plssss!!!!!!!
Galina-37 [17]
Process:

2/3x -7 = 17
17 + 7 = 24
2/3x = 24

2/3 = 24/x
24 ÷ 2 = 12
12 x 3 = 36
x = 36



Answer: X = 36
5 0
3 years ago
Read 2 more answers
the population of Glendale this year is 3,200 more than half of last year's population. the population this year is 26,300 which
zmey [24]
26,300 = 1/2x + 3200......with x being last years population
3 0
3 years ago
Determine whether the degree of the function is even or odd and whether the function itself is even or odd.
Fynjy0 [20]

Answer:

There are Even, Odd and None of them and this does not depend on the degree but on the relation. An Even function: f(-x)=f(x) And Odd one: -f(x)=f(-x)

Step-by-step explanation:

1) Firstly let's remember the definition of Even and Odd function.

An Even function satisfies this relation:

f(-x)=f(x)

An Odd function satisfies that:

-f(x)=f(-x)

2) <u>Since no function has been given</u>. let's choose some nonlinear functions and test with respect to their degree:

f(x)=x^{2}-4, g(x)= x^{5}+x^{3}

f(x)=x^2 -4\Rightarrow f(-x)=(-x)^{2}-4\Rightarrow f(-x)=x^{2}-4\therefore f(x)=f(-x)

g(-x)=-(x^{5}+x^{3})\Rightarrow g(-x)=-x^{5}-x^{3}\Rightarrow g(-x)=-g(x)

3) Then these functions are respectively even and odd, because they passed on the test for even and odd functions namely, f(-x)=f(x) and -f(x)=f(x) for odd functions.

Since we need to have symmetry to y axis to Even functions, and Symmetry to Odd functions, and moreover, there are cases of not even or odd functions we must test each one case by case.

7 0
3 years ago
There are some people on a train
Kitty [74]
<h3>Answer:  62</h3>

======================================================

Explanation:

18 people get off, and 21 get on

We can write the 18 as -18 to indicate a loss of 18 people. The 21 as +21 to mean we gained 21 people.

The net change is -18+21 = +3 or simply 3.

After the first stop, 3 more people are on the train compared to before reaching this stop.

If x is the number of people before the stop, then x+3 is the number of people after the stop. Set this equal to 65 and solve for x.

x+3 = 65

x = 65-3

x = 62 people were on the train to begin with.

-----------

Check:

62 people to start off

62-18 = 44 people after the 18 people get off

44+21 = 65 people after the 21 new people get on

The answer is confirmed.

7 0
1 year ago
Algebraic expression the price h of a house plus 10% property tax
zhannawk [14.2K]

Generally we pay h to purchase the house, and then each year must pay 10% of the value of the house in property taxes. We could write:

House owning costs = h + 0.10h = 1.10h.

Note that we'd not likely have to pay a tax on the property when you purchase it, except for relatively small fees such as "transfer tax."


6 0
3 years ago
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