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IgorLugansk [536]
2 years ago
6

Value of 8 in 1,283,479

Mathematics
1 answer:
Nutka1998 [239]2 years ago
6 0

Answer:

80,000

Step-by-step explanation:

Since 8 is 4 spaces to the left, it’s in the 10,000’s range, making it 80,000

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Melissa has a spray paint that covers about 6,500 square centimeters. Can melissa apply two coats of paint to the entire sculptu
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Answer:

This question cannot be solved. It does not say anything about a statue in the first sentence and it doesn't give you the area of the statue.

Step-by-step explanation:

8 0
3 years ago
Prove that sin^4x + cos^4x= sinxcosx
yKpoI14uk [10]

Answer:

(the relation you wrote is not correct, there may be something missing, so I will simplify the initial expression)

Here we have the equation:

sin^4(x) + cos^4(x)

We can rewrite this as:

(sin^2(x))^2 + (cos^2(x))^2

Now we can add and subtract cos^2(x)*sin^2(x) to get:

(sin^2(x))^2 + (cos^2(x))^2 + 2*cos^2(x)*sin^2(x) - 2*cos^2(x)*sin^2(x)

We can complete squares to get:

(cos^2(x) + sin^2(x))^2 - 2*cos(x)^2*sin(x)^2

and we know that:

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then:

1 - 2*sin(x)^2*cos(x)^2

This is the closest expression to what you wrote.

We also know that:

sin(x)*cos(x) = (1/2)*sin(2*x)

If we replace that, we get:

1 - \frac{sin^2(2*x)}{2}

Then the simplification is:

cos^4(x) + sin^4(x)  = 1 - \frac{sin^2(2*x)}{2}

7 0
3 years ago
Given a school supply store sells pencils for $2, pens for $4, and markers for $5. Write an expression for the total cost of 3 p
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Step-by-step explanation:

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hoped I helped you a bit! Good luck! :)

3 0
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1,2,3

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6 0
2 years ago
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blagie [28]
The answer would be (108-20)4=22
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Read 2 more answers
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