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Shtirlitz [24]
2 years ago
11

I need the answer and the answers are there

Mathematics
1 answer:
sergeinik [125]2 years ago
5 0

Answer:

Step-by-step explanation:

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What two numbers multiply to get 25 and add to -10
SOVA2 [1]
x;\ y-the\ numbers\\\\  \left\{\begin{array}{ccc}xy=25\\x+y=-10&\to x=-10-y\end{array}\right\\\\subtitute:\\(-10-y)y=25\\(-10)(y)-y(y)=25\\-10y-y^2=25\\-y^2-10y-25=0\ \ \ \ |change\ the\ signs\\y^2+10y+25=0\\y^2+5y+5y+25=0\\y(y+5)+5(y+5)=0\\(y+5)(y+5)=0\\(y+5)^2=0\iff y+5=0\to \boxed{y=-5}\\\\subtitute\ the\ value\ of\ y\ to\ the\ equation\ x=-10-y\\x=-10-(-5)\\x=-10+5\\\boxed{x=-5}\\\\Answer:\boxed{-5\ and\ -5}
7 0
3 years ago
Right triangle LMN has vertices L(7, –3), M(7, –8), and
ololo11 [35]
This is the translation.
M' is (-1,3)
N' is (2,3)
hope this helps

5 0
3 years ago
Twenty-five students are competing in a Science Fair. In how many ways can 3 students win first, second, and third place?
Irina18 [472]

Answer:

C

Step-by-step explanation:

\frac{25!}{(25-3)!} =13800

3 0
1 year ago
20 POINTS and Brainliest! ASAP, absolute value with explanation pls
solmaris [256]

I think the answer is A. If you use the values for each variable approximately a(2.2) or b(8.5) or c(3.7). You will find that the only way to get a number greater than the value of "a" is to have a value that is fairly high. Thus, if you substitute my values into the equation you will see that the answer is greater than "a". Hope this helped :))

7 0
3 years ago
Consider the system of equations. Which is the Best method to use for solving the system? 4x+y=1 2x+y=8
Archy [21]
4x + y = 1
-2x - y = -8

2x = -7

x = -7/2

2(-7/2) + y = 8

-7 + y = 8

y= 15

elimination
5 0
2 years ago
Read 2 more answers
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