2 years ago

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Mathematics

1 answer:

Natasha2012 [34]2 years ago

6 0

144 million chocolate bars made in 9 days :)

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Which expression is equal to the example?

Aloiza [94]

$1-(cosx)^4$ value is $2sin^4-sin^4x$ . Correct option is D) $2sin^4-sin^4x$ .

<u>Step-by-step explanation:</u>

Here we have , expression to evaluate:

$1-(cosx)^4$

⇒ $1-((cosx)^2)^2$

⇒ $1-(1-(sinx)^2)^2$

We know that , $sin^2x = 1-cos^2x$ , putting value in equation $1-(1-(sinx)^2)^2$

⇒ $1-(1+sin^4x-2sin^4)$

⇒ $1-1-sin^4x+2sin^4$

⇒ $-sin^4x+2sin^4$

⇒ $2sin^4-sin^4x$

Therefore , $1-(cosx)^4$ value is $2sin^4-sin^4x$ . Correct option is D) $2sin^4-sin^4x$

4 0

3 years ago

A whole pie is cut into 8 pieces and one slice is taken out, what's the fraction is left?

Mrrafil [7]

1 pie is cut into eighths or 1/8 a slice. 3 are taken out.

8/8-3/8=5/8 is left.

8 0

3 years ago

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When biking at a constant speed, Abdul can travel 6 miles in 20 minutes. He made the double number line below to help him find h

AURORKA [14]

2 miles in 6.66 minutes
18 miles in 59.94 minutes
46 miles in 153.18 min (2hours 55minutes)

4 0

4 years ago

−2(25)10x for x=15 URGENT PLS HELP

stepan [7]

Answer:

-7500

Step-by-step explanation:

Given: −2(25)10x

We need to find the value of the given expression at x = 15

So,

−2(25)10x = −2(25)10 * 15

Using the associative property

= (-2 * 25) * (10 * 15)

= -50 * 150

= -7500

7 0

3 years ago

How can i get 40 for the numbers 5,4,3,2,1

MariettaO [177]

Answer:

5x4=20

20x2=40

Step-by-step explanation:

7 0

2 years ago

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