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stiks02 [169]
3 years ago
6

Kari is saving up money to buy a bicycle for her brother for his 12th birthday she already has $70 saved in her bank account and

she just got a job tutoring students she earns $8 per hour she plans to save all her earnings
Mathematics
1 answer:
sladkih [1.3K]3 years ago
4 0

Answer: what is the qustion

Step-by-step explanation:

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What is an equation of the line that passes through the point (-7,-6)(−7,−6) and is parallel to the line x-y=7x−y=7?
kotykmax [81]

Answer:

y = x + 1

Step-by-step explanation:

The gradient of a line can be defined by the equation:

m (gradient) = (y1 – y2 ) ÷ (x1 – x2) ----> "1" and "2" should be in subscript

For (-7,-6) we use x2 and y2 (because this point can be anywhere along a line):

x2 = -7, y2 = -6

Plug these values into the formula above:

m = (y-(-6)) ÷ (x-(-7))

m = (y+6) ÷ (x+7)

At this stage, the equation can't be solved as there are two unknowns. Therefore, the gradient must be found another way. Two lines are parallel if they have the same gradient - in their y=mx+c equations, m will be equal.

x - y=7 is the line alluded to in the question. Rearranging this equation into the line equation format gives:

y = x-7 ---> The gradient (coefficient of x) is 1.

Therefore, the gradient of the other parallel line must also be 1.

This can be substituted into the previous equation to give:

1 = (y+6)÷(x+7)

x+7 = y+6

x+1 = y

Therefore, the answer is y=x+1

5 0
2 years ago
Dogs in the GoodDog Obedience School win a blue ribbon for learning how to sit, a green ribbon for learning how to roll over, an
Elan Coil [88]

There are 17 dogs who have not learned any tricks.

7 0
3 years ago
Question 1 (2 points)
tatyana61 [14]

Answer:

x = 4 , y = 6

Step-by-step explanation:

I am sorry if I'm wrong

4 0
3 years ago
Josea went out to dinner to an Indian restaurant. The total bill was $38 .she wanted to leave a 20% tip
jekas [21]

Answer:

$20?

Step-by-step explanation:

6 0
2 years ago
The sum of seven times a number—<br> PLEASE HELP!
castortr0y [4]

Answer:

x = 6

y = 4

Step-by-step explanation:

Let the two numbers be x and y

<u><em>Condition 1:</em></u>

7x+3y = 54 -----------(1)

<u><em>Condition 2:</em></u>

x = 2+y -----------------(2)

<em>Putting (2) in (1)</em>

=> 7(y+2)+3y = 54

=> 7y+14+3y = 54

=> 10y = 54-14

=> 10y = 40

<em>Dividing both sides by 10</em>

=> y = 4

<em>Now putting y = 4 in eq(2)</em>

=> x = 2+4

=> x = 6

6 0
3 years ago
Read 2 more answers
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