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miss Akunina [59]
3 years ago
5

0.000009 in scientific notation.

Mathematics
2 answers:
sineoko [7]3 years ago
7 0

Answer:

9^-6

Step-by-step explanation:

creativ13 [48]3 years ago
5 0
9x10^-6 because it’s 6 units to the left.
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Makovka662 [10]

Answer:

1. all real numbers

2. y > 0

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3 0
2 years ago
Solve the system using substitution x+5y=0 3y+2x=-21
Crazy boy [7]

Answer:

\left \{ {{x = -15} \atop {y=3}} \right.

Step-by-step explanation:

\left \{ {{x + 5y = 0} (1) \atop {3y + 2x = -21}(2)} \right.  \left \{ {{x = -5y} \atop {3y + 2x = -21}} \right.    \left \{ {{x = -5y} \atop {3y + 2*(-5y) = -21}} \right.  \left \{ {{x = -5y} \atop {3y - 10y = -21}} \right. \\ \left \{ {{x = -5y } \atop {-7y = -21}} \right.  \left \{ {{x = -5y} \atop {y= 3 }} \right.  \left \{ {{x = -5 * 3} \atop {y=3}} \right.=> \left \{ {{x=-15} \atop {y=3}} \right.

5 0
2 years ago
Read 2 more answers
Which ordered pair is a solution of the equation 2x-3y=18 A:(0,8)B:(2,5)C:(3,-4)D:(6,2)
Archy [21]
<span>2x-3y=18 
when x = 3
2(3) - 3y = 18
6 - 3y = 18
-3y = 12
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so(3, -4) is the solution

answer
</span><span>(3,-4)</span>
5 0
3 years ago
It takes Javier 12 more minutes to get to work than it takes Michaela. It takes Javier 40 minutes to get to work. How long does
lapo4ka [179]

Answer:

342624

Step-by-step explanation:

4236terrg

3 0
3 years ago
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joja [24]

Answer:

√5

Step-by-step explanation:

(2 ,-5) = (x_1,y_1)\\(3,-7)=(x_2,y_2)\\\\d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\ \\d = \sqrt{(3-2)^2 +(-7-(-5))^2}\\ \\d = \sqrt{(1)^2+(-7+5)^2}\\ \\d = \sqrt{(1)^2 + (-2)^2}\\ \\d = \sqrt{1 +4}\\ \\d = \sqrt{5}

4 0
3 years ago
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