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3 years ago

Y = 6x + 2 y = 6x - 2 how many solutions does this equation have

Mathematics

1 answer:

Alona [7]3 years ago

4 0

Answer:

Bro, just use photo math

Step-by-step explanation:

Photo math is free and will tell you the answer to any algebraic expression and explain how to work it out. this is my best answer. it's an app.

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Linear e

BaLLatris [955]

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3 years ago

the circumference of kayla's bicycle wheel is 19 inches what is the approximate diameter of her bicycle wheel use 3.14 for x

julia-pushkina [17]

Omg kaylas is my best friends name!!

8 0

3 years ago

Exponents!

sweet [91]

We know that:

$x^{a+b}=x^a\cdot x^b$

and:

$(x\cdot y)^a=x^a\cdot y^a$

so:

$3^{x+2}-3^{x}=6^3\cdot3^7\\\\3^x\cdot3^2-3^x=(2\cdot3)^3\cdot3^7\\\\3^x\cdot9-3^x=2^3\cdot3^3\cdot3^7\\\\3^x\cdot9-3^x=8\cdot3^3\cdot3^7\\\\
3^x\cdot9-3^x=8\cdot3^{3+7}\\\\3^x\cdot9-3^x=8\cdot3^{10}\\\\3^x\cdot(9-1)=8\cdot3^{10}\\\\8\cdot3^x=8\cdot3^{10}\quad|:8\\\\3^x=3^{10}\\\\\boxed{x=10}$

4 0

3 years ago

Find the area of the circle if radius is 6 and there is only 3/4 of the circled

drek231 [11]

Answer:

84.8

Step-by-step explanation:

Begin by finding the total area of the circle. You have been given the radius.

A = πr²

A = π(6)²

A = 36π

A = 113

If there is only 3/4 of the circle, then multiply the entire area by 3/4 to find the final answer.

113 x 3/4 = 84.8

3 0

2 years ago

Special right triangles

Korolek [52]

Answer:

see down

Step-by-step explanation:

$cos 60 = \frac{x}{6\sqrt{3} } \\x = 6\sqrt{3} * cos60\\x = 6\sqrt{3} * \frac{1}{2} \\x = 3\sqrt{3}$

5 0

3 years ago