3 years ago

Which value of the variable is a solution of the inequality t > -5

Mathematics

1 answer:

erica [24]3 years ago

3 0

Answer:

-4 and any number above.

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HELP!<br><br> What is the solution of the equation when solved over the complex numbers?

lubasha [3.4K]

Answer:

$±2i\sqrt{6} = x$

Step-by-step explanation:

$0 = {x}^{2} + 24 \\ \\ -24 = {x}^{2} \\ \\ \sqrt{[4][6][i]} = \sqrt{{x}^{2}} \\ \\ ±2i\sqrt{6} = x$

The square root of something is ALWAYS negative and positive.

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The length of a rectangle is 3 cm greater than its width. The perimeter is 24 cm. Find the dimensions of the rectangle.

Shalnov [3]

Answer:

The width is 4.5, and the length is 7.5.

Step-by-step explanation:

We know that the perimeter is 24 cm, and the length is 3 cm greater than the width. We know that the perimeter = l*w. This info gives us an equation:

24 = (x + 3)*2 + x * 2. The 24 is the perimeter, and x is the width, so l is x + 3. Now we just have to solve for x.

24 = (x + 3)*2 + x * 2 | Simplify the Parenthesis

24 = 2x + 6 + x * 2 | Subtract 6 from both sides

18 = 2x + x * 2 | x * 2 is 2x

18 = 2x + 2x | 2x + 2x = 4x

18 = 4x | Now we divide by 4

4.5 = x. This mean the width is 4.5, and the length is 4.5 + 3, or 7.5. We can plug these into the original formula to confirm.

24 = 7.5*2 + 4.5*2, 24 = 15 + 9, 24 = 24.

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3 years ago

What two fractions equal 1 1/5

myrzilka [38]

I also need help with this one also

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Robin used 1/4 of a pound of butter to make a cake. Before she started, she had 7/8 of a pound of butter. How much butter did Ro

I am Lyosha [343]

Robin had 5/8 of a pound of butter when she was done baking. 1/4 = 2/8, and 7/8 - 2/8 = 5/8.

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4 years ago

Plzzzz help. Will give brainliest to right answer. Need by 9:20

Readme [11.4K]

Answer:I might be wrong but im pretty sure the answer is 5.4

Step-by-step explanation:

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