2 years ago

How many solutions does 9x-18=3(3x-6) have?

Mathematics

1 answer:

spin [16.1K]2 years ago

4 0

Answer: All Real Numbers Are Solutions

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Please help me asappp (will give brainiest!)

ryzh [129]

Answer:

TanФ=-1.793

Step-by-step explanation:

$Sin^{2} (A) + Cos^{2} (A) = 1$

$Sin(A)=\sqrt{1-Cos^{2} (A)}$

$Tan(A) = \frac{Sin(A)}{Cos(A)}$

$Tan(A) =\frac{\sqrt{1-Cos^{2}(A) } }{Cos(A)} \\Tan(A) =\frac{\sqrt{1-(-.487)^{2} } }{-.487}=-1.793433202$

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2 years ago

THIS IS FOR MY TEST PLEASE HELP

AVprozaik [17]

2(3x+4y) = 2(24)
6x+8y = 48
Add both the equations
6x + 8y = 48
+ x - 8y = -20
—————————
7x = 28
x = 28/7
x = 4

Plug in this value in the second equation

(4) - 8y = -20
-8y = -24
y = -24/-8
y = 3

Therefore:
x = 4
y = 3

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2 years ago

Shannon’s rectangular countertop is 3 feet wide. It is 3 times as long as it is wide. Find the length and area of Shannon’s coun

kompoz [17]

Answer:

9 feet long

Step-by-step explanation:

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1 year ago

Rita is making chili.The recipe calls for 2 3/4 cups of tomatoes. How many cups of tomatoes, written as a fraction greater than

Andrei [34K]

The way the this is worded means to turn it into a improper fraction which means the answer is 11/4

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2 years ago

If X²+1=2x then what the value of x²?

natka813 [3]

Answer:

x² = 2x - 1

Step-by-step explanation:

x² + 1 = 2x

→ Minus 1 from both sides

x² = 2x - 1

7 0

2 years ago

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