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Veseljchak [2.6K]
3 years ago
9

: -- ) PLEASE HELP me out with this one

Mathematics
1 answer:
Blababa [14]3 years ago
6 0

Answer:

A

Step-by-step explanation:

To answer this, we need to see what happens to the curves on the given interval

For f(x), we have that there is a decrease as we are moving from a higher positive value of y to a lower positive value of y over the specified interval

For g(x), we can see that we are moving from a lower positive y value to a higher positive y value

What this mean is that the first option is correct

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What is x - 5y = 13 and 9y - x = -17 using elimination method
Genrish500 [490]
X +(-5y)=  13
-x+  9y =(-17)
0+<u>4y</u>=<u>-4</u>
    4    4
y=1
x+-5(1)=13
x-5=13
 +5 <u>+5
</u>  x=18
  y=1
6 0
3 years ago
Explain the difference between finding rational zeros and finding all zeros.
r-ruslan [8.4K]

Answer:

see explanation

Step-by-step explanation:

Given the polynomial

p(x)=a_nx^n+a_{n-1}x^{n-1}+a_{n-2}x^{n-2}+...+a_2x^2+a_1x+a_o

The rational zeros are all the possible factors of a_0 dived by all the possible factors of a_n. Therefore we use the rational rots theorem to find all possible rational zeros.

To find all zeros we use the remainder theorem. Thus, we plug in all the rational zeros to determine which ones evaluate to zero. These are the real zeros. We could also use long division to find the remaining zeros as soon as we got the first zero with the remainder theorem.

8 0
3 years ago
En un taller de futbol se inscribieron en total 240 personas . de ese total 80% son mujeres . ¿Cuántos hombres se inscribieron e
horsena [70]
Answer: A
192 hombres
5 0
3 years ago
Sine rule / trigonometry <br> how do i answer this
Xelga [282]

Step-by-step explanation:

area of first triangle =1/2×112×202×sin30°

  • 1/2×112×202×1/2
  • 5656m²

area of second circle=1/2×202×197×sin60.5°

  • 1/2×202×197×0.870
  • 17310.39m²

Total area of estates=area of first triangle +area of second triangle

  • 5656+17310.36
  • 22966.39m²

hope it helps.

8 0
3 years ago
The bill from your plumber was $134. The cost for labor was $32 per hour. The cost for materials was $46. How many hours did the
trapecia [35]

since we know the plumber charges $32 for one hour of work, if the plumber works

1 hour, that's 32(1)

2 hours........ 32(2)

3 hours.........32(3)

4hours...........32(4)

x hours...........32(x) => 32x.


the cost of materials is $46, so your total charge for getting the lizard out of the bathtub pipe is the hours rate plus the 46 bucks, namely 32x + 46, and incidentally we know that's $134.


\bf 32x+46=134\implies 32x=88\implies x=\cfrac{88}{32}\implies x=\cfrac{11}{4} \\[2em] x=2\frac{3}{4}\impliedby \textit{2 hours and 45 minutes}

7 0
3 years ago
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