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iVinArrow [24]
3 years ago
6

Amzol thinks that (x+5)^2=x^2+25 for all values of x. Is Amzol right?

Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0

Answer:

The answer is x=0 so probably he is

Step-by-step explanation:

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Write the quadratic equation whose roots are 3 and -5, and whose leading coefficient is 2.
Rainbow [258]

\begin{cases} x=3\implies &x-3=0\\ x=-5\implies &x+5=0 \end{cases}\qquad \implies\qquad a(x-3)(x+5)=\stackrel{0}{y} \\\\\\ a(\stackrel{F~O~I~L}{x^2+2x-15})=y\implies \stackrel{\textit{leading coefficient of 2}}{2(x^2+2x-15)}=y\implies 2x^2+4x-30=y

Check the picture below.

5 0
2 years ago
What is the average rate of change for the function over the interval (-6,-4)
kozerog [31]

Answer:

i believe it is -4 1/3 i may be wrong

Step-by-step explanation:

difficult, let me see....

1st slope:-4

2nd slope:4/6

3rd slope:-3

-2+4/7-3=-5+4/6=-4 2/6=

-4 1/3

5 0
2 years ago
When subtracting 2.9 from a certain number, the result is 64.24, as seen below. What number should go in the box to complete the
Kipish [7]

Answer:

7 will go in the box.

The full number would be 67.14.

work:

64.24 + 2.9 = 67.14.

4 0
3 years ago
A high school club has a performance, with 800 tickets to sell. Tickets are $6 before the day of the show, and $9 on the day of
sweet-ann [11.9K]
A) Let x = number of presale tickets 
<span>y = number of day of show tickets </span>

<span>x + y =< 800 </span>
<span>6x + 9y >= 5000 </span>

<span>b) 6x + 9y >=5000 </span>
<span>6(440) + 9y >=5000 </span>

<span>y >= 262.2 </span>
<span>263 tickets </span>

<span>440 advance purchase tickets added to 263 day of show tickets is 703 tickets, which is below the 800 ticket maximum.</span>
4 0
3 years ago
Read 2 more answers
The bold answer is incorrect. what is the right answer?
Basile [38]
Answer: first choice

Explanation:

A complementary angle are two angles add up to 90 degree

5 0
3 years ago
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