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2 years ago

3 = t + 11.5 - t

Mathematics

1 answer:

Ray Of Light [21]2 years ago

8 0

Answer:

There are no solutions.

Step-by-step explanation:

3=t+11.5-t

3=11.5 (does not work)

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It takes you 8 hours to dig a hole. It would take you and your brother 5 hours to dig that same hile together. If your brother w

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Answer:

I think if it takes me 8 hours then it will surely take him 8 hours

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2 years ago

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Pleaseeeeeee help mee

BlackZzzverrR [31]

Answer:

The solution of the given trigonometric equation

$x = \frac{\pi }{6}$

Step-by-step explanation:

Step(i):-

Given

$cos( 3x - \frac{\pi }{3} ) = \frac{\sqrt{3} }{2}$

$cos( 3x - \frac{\pi }{3} ) = cos (\frac{\pi }{6} )$

$3x - \frac{\pi }{3} = \frac{\pi }{6}$

$3x - \frac{\pi }{3 } + \frac{\pi }{3} = \frac{\pi }{6} + \frac{\pi }{3}$

$3x = \frac{2\pi +\pi }{6} = \frac{3\pi }{6} = \frac{\pi }{2}$

$x = \frac{\pi }{6}$

Step(ii):-

The solution of the given trigonometric equation

$x = \frac{\pi }{6}$

verification :-

$cos( 3x - \frac{\pi }{3} ) = \frac{\sqrt{3} }{2}$

put $x = \frac{\pi }{6}$

$cos( 3(\frac{\pi }{6}) - \frac{\pi }{3} ) = \frac{\sqrt{3} }{2}$

$cos (\frac{\pi }{6} ) = \frac{\sqrt{3} }{2} \\\\\frac{\sqrt{3} }{2} = \frac{\sqrt{3} }{2}$

Both are equal

∴The solution of the given trigonometric equation

$x = \frac{\pi }{6}$

4 0

2 years ago

Need help show work??????

o-na [289]

Answer:

The t-shirt cost $10.70

Step-by-step explanation:

12.25 + T = 22.95

-12.25 -12.25

T=10.70

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2 years ago

Pleaseeeee help

s2008m [1.1K]

All I know is that question 1 is B and I think for question 3 is Sammy is correct.

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3 years ago

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Dots sells T-shirts ($3) and shorts ($7). In April, total sales were $520. People bought 2 times as many T-shirts as shorts. How

timofeeve [1]

Let's assume

number of shorts is x

we are given

People bought 2 times as many T-shirts as shorts

so, number of T-shirts is 2*x=2x

Dots sells T-shirts ($3) and shorts ($7)

so, total price of T-shirts $=3*2x$

so, total price of shorts $=7x$

now, we are given

total sales were $520

so,

total price of T-shirts+total price of shorts = total sales

we will get equation

$3*2x+7x=520$

now, we can solve for x

$13x=520$

$x=40$

so,

number of shorts is 40

number of T-shirts is 2*40=80............Answer

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3 years ago

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