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Virty [35]
3 years ago
12

25 points - Can anyone solve this pls?? ty so much

Mathematics
1 answer:
Citrus2011 [14]3 years ago
7 0

Surface area of larger box is 69% more so as a scale factor that is 1.69

Square root 1.69 = 1.3

Height of smaller box x 1.3 is height of larger box.

18 x 1.3 = 23.4 cm

Height = 23.4 cm

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Anyone help please I need it
andreev551 [17]

Answer:

-10+i\sqrt{2}

Step-by-step explanation:

One is given the following expression:

\sqrt{4}-\sqrt{-98}-\sqrt{144}+\sqrt{-128}

In order to simplify and solve this problem, one must keep the following points in mind: the square root function (\sqrt{}) is a way of requesting one to find what number times itself equals the number underneath the radical sign. One must also remember the function of taking the square root of a negative number. Remember the following property: (\sqrt{-1}=i). Simplify the given equation. Factor each of the terms and rewrite the equation. Use the square root property to simplify the radicals and perform operations between them.

\sqrt{4}-\sqrt{-98}-\sqrt{144}+\sqrt{-128}

\sqrt{2*2}-\sqrt{-1*2*7*7}-\sqrt{12*12}+\sqrt{-1*2*8*8}

Take factors from out of under the radical:

\sqrt{2*2}-\sqrt{-1*2*7*7}-\sqrt{12*12}+\sqrt{-1*2*8*8}

2-7i\sqrt{2}-12+8i\sqrt{2}

Simplify,

-10+i\sqrt{2}

8 0
2 years ago
It'd be great if someone could help me on this!
Sever21 [200]

Answer: 144 cubic feet

Step-by-step explanation:

Volume = base times height.

Base = 20 square feet

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6 0
3 years ago
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Answer:

2.5 hours

Step-by-step explanation:

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Annette [7]
The answer is 4 because the d is already negative
7 0
3 years ago
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