3 years ago

Some come help me~ or ill fail this assesment~ u-u

Mathematics

2 answers:

posledela3 years ago

8 0

There is no image or question

sergiy2304 [10]3 years ago

5 0

Answer:

Thank you i will be taking these points now lol.

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

4 years ago

Desmond is 3 inches taller than Niki.

Fiesta28 [93]

Desmonds height let’s say x = y + 3

8 0

3 years ago

Amy jogs 1/3 of a mile in 1/15 of an hour, while john takes 1/30 of an hour to jog 1/5 of a mile. If they continue at this rate,

jolli1 [7]

Step-by-step explanation:

Given that,

Amy jogs 1/3 of a mile in 1/15 of an hour and john takes 1/30 of an hour to jog 1/5 of a mile.

Speed of Amy,

$v_1=\dfrac{\dfrac{1}{3}\ miles }{\dfrac{1}{15}\ h}=5\ mph$

Speed of John,

$v_2=\dfrac{\dfrac{1}{5}\ miles }{\dfrac{1}{30}\ h}=6\ mph$

John will jog farther in one hour as he is moving with faster speed. The speed of John is 1 mph more than Amy.

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3 years ago

What is 9 times 4 I am 9 years old this is her little sister

leva [86]

36 because you multiply haha

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4 years ago

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ASAP - WILL MARK BRIANIST

kupik [55]

Now Mark me Brainiest

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3 years ago

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