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Cloud [144]
4 years ago
6

Solving with systems of equations using elimination! please help me. thank u!

Mathematics
1 answer:
mario62 [17]4 years ago
4 0
To cross out a variable (in this case, x) we can add both equations together to get -5y=10. Dividing both sides by -5, we get y=-2. Next, plugging it into -3y+5x=26, we get 6+5x=26. Subtracting 6 from both sides, we get 5x=20. Next, we can divide both sides by 5 to get x=4
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Possible values of x in 6x^2 + 432 = 0
Wewaii [24]
6x^2 + 432 = 0 \\
x^2+72=0\\
x^2=-72\\
x=-\sqrt{-72} \vee x=\sqrt{-72}\\
x=-6\sqrt2 i \vee x=6\sqrt 2 i

3 0
4 years ago
HELP!!! 50 POINTS!!!!<br><br> a transformation is a _____ to the _____ or _____ of a figure
Temka [501]

Answer:

a transformation is a <u>rotation</u><u> </u><u>or</u><u> </u><u>reflection </u> to the <u>posit</u><u>ion</u> or co-ordinates of a figure

4 0
3 years ago
4) A can of juice contains 8% of vitamin A. How is this percent written as a decimal?​
siniylev [52]

0.08

Step-by-step explanation:

When you convert percent to decimal, you have to remember that 1= the whole.

Do to convert it, you divide the whole number (8%) by 100 (0.08). Vice versa, you multiply by 100

6 0
3 years ago
Which expressions are equivalent to 10a - 25 + 5b
Liono4ka [1.6K]

Answer:Move −25-25.

10a+5b−25

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Cuanto es2/4 mas un 1/5
Reil [10]
Rellene las cajas abajo (F1 - fracción 1 y F2 - fracción 2) y seleccione una de las operaciones (+ - × o ÷):
F1: Oper. F2:

=

Respuesta:

=
10
5 0
3 years ago
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