2 years ago

Can anyone help me with this?

Mathematics

1 answer:

Illusion [34]2 years ago

5 0

Answer:

Step-by-step explanation:

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7 times a number is 18 less than the square of that number. Find the positive solution.

Arte-miy333 [17]

So 7 x = x2 -18 so you get the quadratic x^2 -7x -18 and then get 2 x -9= -18 and 2 + -9 = -7 so you get (x + 2) ( x - 9) so the positive solution would be x-9 = 0 so x= 9. Hope this helps :)

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2 years ago

(If A+B+C=180) tan 2A + tan 2B + tan 2C = tan 2A tan 2B tan 2C

zavuch27 [327]

Step-by-step explanation:

Hey there!

See explanation in picture.

Hope it helps....

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2 years ago

Brooklyn Bridge is 5,985 ft long and 85 ft wide. What distance is one sixth of its length

I am Lyosha [343]

Answer:

The distance is 997.5 ft.

Step-by-step explanation:

Given:

Length of Brooklyn Bridge = 5,985 ft.

Width of Brooklyn Bridge = 85 ft.

We need to find the Distance

Distance = $\frac{1}{6}\times lenght$

Substituting the value of length to find distance we get;

Distance = $\frac{1}{6}\times 5985 = 997.5 ft.$

Hence Distance is 997.5 ft.

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2 years ago

2) Zack ran 6 miles this weekend. How many feet did Zack run over the weekend?

LekaFEV [45]

Answer:

zach ran 31680 feet over the weekend.

Step-by-step explanation:

1 mile = 5280, so 6 x 5280 = 31680

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2 years ago

Um feirante usava uma balança de dois pratos com pesos de 2 kg, 1 kg, 500 g, 200 g

andrew-mc [135]

Answer:

hola si mui bein

Step-by-step explanation:

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2 years ago