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2 years ago

PLZZZZZ HELP MEEEEEEEEEEEEEEE

Mathematics

2 answers:

Inessa [10]2 years ago

6 0

The point at 0 x on the y axis the y-intercept, so -2

Eddi Din [679]2 years ago

4 0

Answer:

it is -1.

Step-by-step explanation:

its -1 because the y intercept is the straight vertical line, and you can see the dot is on it

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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:

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

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3 years ago

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Alla [95]

Answer:

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Step-by-step explanation:

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2 years ago

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Solve for m 3/5m = -15

Mice21 [21]

Answer:

- 25

Step-by-step explanation:

Step 1:

3/5m = - 15 Equation

Step 2:

m = - 15 ÷ 3/5 Divide

Step 3:

m = - 15/1 × 5/3 Multiply

Answer:

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3 years ago

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If 20% of a number is 10, what is the whole number?

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Answer:

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Step-by-step explanation:

20%-10

20%*5=100%--10*5=100

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