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Burka [1]
3 years ago
5

X + 3y =- 12 y+ 3 =- {(x – 3)

Mathematics
1 answer:
fenix001 [56]3 years ago
8 0

Answer:

x = 6, y = -6

Step-by-step explanation:

solve for x and y

x + 3y =  -12

y + 3 = -x + 3

add

(x + 3y)  +  -x + 3  =  -12 + y + 3

3y + 3 = y - 9

2y + 3 = -9

2y = -12

y = - 6

x + 3(-6) = -12

x - 18 = -12

x = 6

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25 points
Andrei [34K]

Answer:

34 + x = 70 ; 36

Step-by-step explanation:

Given that:

Current amount = 34

Final amount = 70

Number of roses planted by the workers today ;

Current amount + number planted today = final amount

Let number planted today = x

34 + x = 70

x = 70 - 34

x = 36

7 0
3 years ago
Please I really need help
san4es73 [151]

Answer:

its probably 2.0 or 0.2

Step-by-step explanation: x√=x−2

I really hope this helps i'm not that smart with this....


4 0
3 years ago
Which statement best explains why the graphed relation is not a function?
timurjin [86]
C. A function can only have one y value for an x value
5 0
3 years ago
there are 70 students in the school band. 40% of them are sixth graders, 20 % are seventh graders, and the rest are eight grader
zheka24 [161]

Answer:

28 are 6th

14 and 7th

40% are 8th

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
190 = 200^b, make b the subject​
MArishka [77]

Answer:

b = \frac{ln190}{ln200}

Step-by-step explanation:

Using the rule of logarithms

log x^{n} ⇔ nlogx

Given

190 = 200^{b} ( take the natural log ln of both sides )

ln190 = ln200^{b} = bln200 ( divide both sides by ln200 )

\frac{ln190}{ln200} = b

3 0
2 years ago
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