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4 years ago

Is 20 g greater or less than 0.02 kg?

Mathematics

1 answer:

kirza4 [7]4 years ago

6 0

1 kg = 1000 g, kilo means 1000.

So 0.02 kg = 20 g (multiply 0.02 by 1000).

Hey, they're equal!

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- (64 - 36 + 5) + (45 - 87) = ?

adoni [48]

Answer:

its -75

Step-by-step explanation:

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3 years ago

Ms. Gallegos burns 236 calories riding her bike each hour. She wants to burn more than 590 calories riding her bike at the same

mrs_skeptik [129]

Answer:

Bro the answer is A

Step-by-step explanation:

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4 years ago

A hike starts at an elevation 20 meters below sea level and ends at a point 3400 meters higher than the starting point. What wou

QveST [7]

The correct answer is 3380 meters

Explanation:

The initial elevation of the hike can be represented as -20 meters, this is because the initial elevation is below the sea level, and in terms of elevation the sea level is considered to be 0. Now, using this number the final elevation can be calculated by adding the two numbers:

-20 + 3400 = 3380

This implies the final elevation has 3380 meters

You can also get this same result by considering there are 20 meters from the initial elevation to the sea level and then 3380 meters from the sea level to the final elevation (3380+20 = 3400).

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3 years ago

How many roots does this function have?<br><br> y = 8x4 - 5x3 + 2x2 - 8x + 7<br><br> no links please

Pachacha [2.7K]

Answer:

there is no root

Step-by-step explanation:

there is no root

7 0

3 years ago

Write a polynomial function in factored form with double roots at -2 and 5 and the constant term of the polynomial in standard f

Amanda [17]

Answer:

$f(x)=-0.4x^4+2.4x^3+8.4x^2-24x-40$

Step-by-step explanation:

If -2 and 5 are double roots of the polynomial function, then the function expression is

$f(x)=a(x-(-2))^2(x-5)^2\\ \\f(x)=a(x+2)^2(x-5)^2$

Rewrite this function in standard form:

$f(x)=a(x^2+4x+4)(x^2-10x+25)\\ \\f(x)=a(x^4-10x^3+15x^2+4x^3-40x^2+100x+4x^2-40x+100)\\ \\f(x)=a(x^4-6x^3-21x^2+60x+100)\\ \\f(x)=ax^4-6ax^3-21ax^2+60ax+100a$

The constant term of the polynomial in standard form is -40, so

$100a=-40\\ \\a=-\dfrac{40}{100}=-0.4$

Therefore, the function expression is

$f(x)=-0.4x^4-6\cdot (-0.4)x^3-21\cdot (-0.4)x^2+60\cdot (-0.4)x+100\cdot (-0.4)\\ \\f(x)=-0.4x^4+2.4x^3+8.4x^2-24x-40$

7 0

4 years ago