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SCORPION-xisa [38]
2 years ago
5

Please help due today!

Mathematics
1 answer:
Umnica [9.8K]2 years ago
3 0

Answer:

polygon, iregular

Step-by-step explanation:

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{ y = - 4x-23-4x-3y=13
sleet_krkn [62]

For this case we have the following system of equations:

y = -4x-23\\-4x-3y = 13

We solve by the substitution method:

We substitute the first equation in the second equation:

-4x-3 (-4x-23) = 13

We apply distributive property considering that - * - = +:

-4x + 12x + 69 = 13\\8x + 69 = 13

We subtract 69 from both sides of the equation:

8x = 13-69\\8x = -56

We divide by 8 on both sides of the equation:

x = \frac {-56} {8}\\x = -7

We look for the value of the variable y:

y = -4 (-7) -23\\y = 28-23\\y = 5

Thus, the solution of the system is (x, y): (-7,5)

Answer:

(x, y): (-7,5)

7 0
3 years ago
A nut-raisin mix costs $5.26 per pound. Rashid buys 15.5 pounds of the mix for a party. Rashid’s estimated cost of the nut-raisi
Svetllana [295]

Answer: $80

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Determine the equivalent system for the given system of equations.
balandron [24]

Answer:

B

Step-by-step explanation:

4x-5y=2 ...(1)

10x-21y=10   ...(2)

(1)+2(2)  gives

24x-47y=22

6 0
3 years ago
Of 60 corn seeds that were planted, 18 of them did not sprout. What percent of the corn seeds
Lyrx [107]

Answer:

30%

Step-by-step explanation:

18 / 60 = .3 * 100 = 30%

4 0
3 years ago
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Write the equation in slope intercept form of the line passing through the following points (0,5) and (-5, -1).
krek1111 [17]

Answer:

y = 6/5x

Step-by-step explanation:

1. y = \frac{-1-5 }{-5-0}

2. subtract the two number on the top of the fraction bar to get 6

3. do the same for the denominator to get 5

4. your final answer is \frac{6}{5}

7 0
3 years ago
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