3 years ago

Which is the correct comparison of solutions for 2x + 6 < 10 and -2x + 22 < 18?

Mathematics

1 answer:

Ronch [10]3 years ago

5 0

IDK. I looked up the answer but i couldn't find it. I'm on UsaTestPrep and they gave me the same question.

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The cost of oranges varies directly as the number of oranges sold. If 8 oranges cost $10.40, how many oranges can be bought for

alexdok [17]

Answer:

Step-by-step explanation:

if you can get 8 oranges for 10.40 then divide 10.40 by 8. you can get each orange for 1.3. you need to know how many oranges you can get for 33.8 so divide that by 1.3 and you get 26

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3 years ago

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A plane took off at a 15° angle to the ground and flew in Sydney's direction. She is standing at a point 25 miles from the

svlad2 [7]

Answer: The Answer is A: 7.685 but then round it up to 8 on edge

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3 years ago

How many solutions does the system have? Y=4x+4 Y=x^2+4

noname [10]

Answer:

The system has zero solutions.

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3 years ago

In a right angle triangle the side lengths are 4 and 2. Please find the hypotenuse. You can answer this in radical form OR give

Ghella [55]

Answer:

4.47

Step-by-step explanation:

A squared + B squared = C squared

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the square root of 20 is 4.472135955, rounded to the nearest hundreth is 4.47

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3 years ago

6cos x-6sin x=3.sqrt6

Yakvenalex [24]

Divide by 6
$cos x - sin x = \frac{\sqrt{6}}{2}$

Square both sides
$cos^2 x -2 sin x cos x + sin^2 x = \frac{3}{2}$

Simplify Left side using Trig identities: (Pythagorean, Double Angle)
$1 - sin (2x) = \frac{3}{2}$

Solve for x:
$sin (2x) = -\frac{1}{2} \\ \\ 2x = \frac{7 \pi}{6}, \frac{11 \pi}{6} \\ \\ x = \frac{7 \pi}{12}, \frac{11 \pi}{12}$

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