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never [62]
4 years ago
7

Use substitution to solve the system of equations. How many solutions are there? 1/2x − 1/3y = 5 x = 2/3y + 10

Mathematics
1 answer:
Vadim26 [7]4 years ago
7 0

Answer:

2 solutions cuz

2 variable are there

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-2x(x+5) for x= -3 help
77julia77 [94]

Answer:

12 i think

Step-by-step explanation:

-2 times -3 would equal to positive 6 then -3 minus 5 equals 2 then 2 time 6 equals 12

4 0
3 years ago
Are these ratios proportional (which means equal)?
Anni [7]

Answer:

yes

9/17 *4 is 36/68.

so for proportional you need to simplify the other term and if they both result in same then they both are proportional

Step-by-step explanation:

7 0
3 years ago
Really easy math :) I REALLY NEED HELP ASAPPPPPP (ill mark yo as brainiest)
Anon25 [30]

Answer:

c = -1/4 = -0.250

Step-by-step explanation:

3 0
3 years ago
The number 3.07 × 10 -4 written in standard form is _____.
joja [24]

B) 0.000307

Step-by-step explanation: Move the decimal between 3 and 0 to the left 4 times

3 0
3 years ago
Read 2 more answers
Aiko is finding the sum (4 + 5i) + (–3 + 7i). She rewrites the sum as (–3 + 7)i + (4 + 5)i. Which statement explains the error A
anyanavicka [17]

Answer:

Option 5

Step-by-step explanation:

Aiko incorrectly used the distributive property by combining the real number and the coefficient of the imaginary part.

It is wrong because 'i' is with 5 and 7 and it is not present in -3 and 4

(4 - 3) + i(5 + 7) would have been the correct way to write it

PLEASE RATE! I hope this helps!

If you have any questions comment below

3 0
2 years ago
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