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Elena L [17]
3 years ago
14

Y = 2x + 3

Mathematics
1 answer:
aev [14]3 years ago
6 0
Infinite solutions as both x and y are unknowns, you can simply plug in various factors for each
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One Step Equations<br> solve for x <br><br> 2.4+x=9.8
Simora [160]

Answer:

x=7.4

Step-by-step explanation:

2.4+x=9.8

(x=9.8-2.4)

x=7.4

7 0
3 years ago
Read 2 more answers
A bag of rice weights 3.18 lbs find its mass in kilograms
Tamiku [17]
\bf \begin{array}{ccll}&#10;lbs&kgs\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;2.2&1\\&#10;3.18&k&#10;\end{array}\implies \cfrac{2.2}{3.18}=\cfrac{1}{k}\implies k=\cfrac{3.18\cdot 1}{2.2}
3 0
3 years ago
Which expression is equivalent to 8 -(6r+2)
scoundrel [369]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>6(1-r)</em>

▹ Step-by-Step Explanation

8 - (6r + 2)

8 - 2(3r + 1)

2(4 - (3r + 1))

2(4 - 3r - 1)

2(3 - 3r)

2 * 3(1 - r)

6(1 - r)

Hope this helps!

- CloutAnswers ❁

Brainliest is greatly appreciated!

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3 0
3 years ago
Help me please show me step by step how to do this it is due soon
serious [3.7K]

Answer:

9x-2=5x+54

9x-5x=54+2

4x=56

4x/4=56/4

x= 14

180-124=56°

10y+6=56

10y=56-6

10y=50

10y/10=50/10

y=5

5 0
2 years ago
Use the Pythagorean Theorem to find an approximate value of x
kozerog [31]

Answer:

Step-by-step explanation:

Hypotenuse² =base² + altitude²

(3x + 4)² = (2x + 1)² + (3x)²

{Use (a+b)² = a² + 2ab + b²}

(3x)² + 2*3x+4 + 4² = (2x)² + 2*2x*1 + 1² + 9x²

9x² + 24x + 16 = 4x² + 4x + 1 + 9x²

9x² + 24x + 16 = 13x² + 4x + 1

0 = 13x² + 4x  + 1 - 9x²  - 24x - 16

13x² - 9x² + 4x - 24x +1 - 16 = 0

4x² - 20x - 15 = 0

a = 4 ; b =-20  ; c = -15

D = b² - 4ac  = (-20)² - 4*4*(-15) = 400 + 240 = 640

√D = √640 = 25.30

x=\dfrac{-b+\sqrt{D}}{2a} \ ; \ x=\dfrac{-b-\sqrt{D}}{2a}\\\\\\x=\dfrac{20+25.30}{2*4} \ ; \ x=\dfrac{20-25.30}{2*4}\\\\\\x=\dfrac{45.30}{8} \ ; \  x =\dfrac{-5.30}{8}\\\\

x = 5 .66   ; x = -0.66

Ignore x = -0.66 as length of a side cannot be negative

Answer : x = 5.66

7 0
2 years ago
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