2 years ago

Can you help me with all 15 questions on the test

Mathematics

1 answer:

Schach [20]2 years ago

7 0

Answer:

i can try just put the questions up

Step-by-step explanation:

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7n2 + 5 = 453<br> Solve the quadratic function

Reptile [31]

7n^2 + 5 = 453

Subtract 5 from both sides:

7n^2 = 448

Divide both sides by 7:

N^2 = 64

Take the square root of both sides:

N = 8

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3 years ago

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$5 difference in rate at each step or change in hours.

Step-by-step explanation:

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3 years ago

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2 years ago

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morpeh [17]

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${ \sf{( \sec \theta - \csc \theta)(1 + \tan \theta + \cot \theta) }} \\ = { \sf{( \sec \theta + \tan \theta \sec \theta + \cot \theta \sec \theta) - ( \csc \theta - \csc \theta \tan \theta - \csc \theta \cot \theta)}} \\ = { \sf{( \sec \theta + \sec \theta \tan \theta + \csc \theta) - ( \csc \theta - \sec \theta - \csc \theta \cot \theta)}} \\ = { \sf{ \sec \theta \tan \theta + \csc \theta \cot \theta }} \\ { \bf{hence \: proved}}$

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2 years ago

How do I solve ?? It’s cylinders

UkoKoshka [18]

V= 3.14r^2h
10/2= r
5^2= 25
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V=471

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3 years ago

Can you help me with all 15 questions on the test ​

Can you help me with all 15 questions on the test