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MariettaO [177]
3 years ago
10

Which are the following triangles congruent?

Mathematics
2 answers:
Gnom [1K]3 years ago
8 0
P and Q, they both share all the same sides in the right places.
Wittaler [7]3 years ago
7 0

Answer:

P and Q

Step-by-step explanation:

since they are both same size and shape they are indentical in shape and size

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2x + 3y = 26 3x + 5y = 40<br>find x and y I will give brainliest
Yuki888 [10]

Answer:

x = 10 and y = 2

Step-by-step explanation:

multiply first equation by 5 and 2nd equation by 3 then subtract equation 1 and 2, we get,

10x+15y= 130

9x+15y=120

( -) (-) (-)

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x= 10

substituting the value of x in equation 1 we get

2x + 3y = 26

2*10 + 3y = 26

3y = 26-20

y =6/3

y= 2.i hope this helps

7 0
3 years ago
Solving Systems of Equations by Substitution<br><br> y=1/2x+5<br><br> y=-3/2x-7
DerKrebs [107]
\left\{\begin{array}{ccc}y=\frac{1}{2}x+5\\y=-\frac{3}{2}x-7\end{array}\right\\\\subtitute:\\\\\frac{1}{2}x+5=-\frac{3}{2}x-7\ \ \ \ |subtract\ 5\ from\ both\ sides\\\\\frac{1}{2}x=-\frac{3}{2}x-12\ \ \ \ |add\ \frac{3}{2}x\ to\ both\ sides\\\\\frac{4}{2}x=-12\\\\2x=-12\ \ \ \ |divide\ both\ sides\ by\ 2\\\boxed{x=-6}\\\\subtitute\ value\ of\ "x"\ to\ first\ equation:\\\\y=\frac{1}{2}\cdot(-6)+5=-3+5=\boxed2\\\\Answer:\boxed{\boxed{x=-6\ and\ y=2}}
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3 years ago
How can you tell the difference between a reflection across the y=x line, and a 180 degree rotation?
hammer [34]
Here are reflection and rotation rules for coordinates. If you look at y=x and the one for 180 degrees you'll see the difference. It's hard to remember it but just study it and you'll be fine. :)

6 0
3 years ago
Bob is putting week killer on a field to get it ready for planting the directions on the can say to use 75 quarts for each acre
riadik2000 [5.3K]

22.5 \times 75 = 1687.5
38.25 \times 75 = 2865.75
hope it helps!!
4 0
3 years ago
What do these mean? Plz help
emmasim [6.3K]

Answer:

\pi \:  \: » \:  \: { \pmb{3.14 \:  \: and \:  \: irrational}} \\  {\pi}^{2}  \:  \: » \:  \: { \pmb{ {3.14}^{2}  = 9.86 \:  \: and \:  \: irrational}}

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3 years ago
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