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deff fn [24]
3 years ago
5

Hit me up if ur bored but what's 7x-2y=23 squared

Mathematics
1 answer:
goblinko [34]3 years ago
5 0
Simplify 7x + 2y = -23 Solving 7x + 2y = -23 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2y' to each side of the equation. 7x + 2y + -2y = -23 + -2y Combine like terms: 2y + -2y = 0 7x + 0 = -23 + -2y 7x = -23 + -2y Divide each side by '7'. x = -3.285714286 + -0.2857142857y Simplifying x = -3.285714286 + -0.2857142857y

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ArbitrLikvidat [17]

Answer:

1. y = (⅔)x - 3

2. y = 3x + c

3. 1) non-proportional

2) can be proportional if c = 0

Step-by-step explanation:

1. What is the equation of a line that has a slope of ⅔ and a y-intercept of -3?

y = (⅔)x - 3

2. What is the equation of a line that has a slope of 3?

y = 3x + c

3. Lable the 2 equations as proportional or non-proportional and why.

A proportional relation should pass through the origin, i.e the y-intercept should be 0

3 0
3 years ago
Ashley is a software saleswoman. Her base salary is $1,500, and she makes an additional $60 for every copy pf history is fun she
SSSSS [86.1K]

Answer:

2,880

Step-by-step explanation:

P + 60N = x

1500 + 60(23) = x

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2880 = x

7 0
2 years ago
PLZ fast I will give for best
kakasveta [241]

Answer:

6

Step-by-step explanation:

Multiply both sides of the equation by 2

3x-4=14

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3x=18

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x=6

Good luck! Let me know if you need more help.

5 0
3 years ago
What is the value of x?<br>45°<br>(2x - 5)°​
vichka [17]

Answer:

50

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
Need some help with this question in the image<br><br>Cheers​
iren [92.7K]

Step-by-step explanation:

a) 24.7×52.3=1291.81

On rounding off to 3 significant digits we get

1290

b)

\sqrt{ {42}^{2} -  {28}^{2}  }

\sqrt{1764 -784 }  =  \sqrt{980}

=31.304951

On rounding off to 5 significant figures we get

=31.305

c)

\sqrt[3]{78}  = 4.27265

On rounding off to 2 significant figures we get

=4.3

Hence required answers

a)1290

b)31.305

c)4.3

I hope it helped you

5 0
2 years ago
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