3 years ago

Negative integers are integers less than zero is it true or false? True False

Mathematics

1 answer:

Eduardwww [97]3 years ago

3 0

Answer:

True because the integer is negative so it's less than zero

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Express this number in standard form.<br> 3.868×10 9=?

Phantasy [73]

3,868,000,000 is your answer. Move the decimal to the right 9 times. That gives you 6 extra 0’s.

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3 years ago

Find the domain of the relation.<br> {(23, 4), (-3, 8), (-25, -21), (20, 13), (21, -14)}<br> FA

Juli2301 [7.4K]

Answer:

Here is the domain and range

Step-by-step explanation:

(0,0), (-6,6) , (3,1), (3,2), (3,-2), (8,9), (0,1), (1,0)

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Find a vector that has the opposite direction of u = (1,-2,4), but which has length square root of 3.

Lina20 [59]

Normalize $\vec u$ by dividing $\vec u$ by its magnitude:

$\dfrac{\vec u}{\|\vec u\|}=\dfrac{(1,-2,4)}{\sqrt{1^2+(-2)^2+4^2}}=\dfrac{(1,-2,4)}{\sqrt{21}}$

Multiply by -1 to reverse its direction, and again by $\sqrt3$ to ensure this new vector has the magnitude we want. Notice that $\sqrt{\dfrac3{21}}=\dfrac1{\sqrt7}$ .

$-\sqrt3\dfrac{\vec u}{\|\vec u\|}=\dfrac{(-1,2,-4)}{\sqrt7}$

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4 years ago

Expand x ( 3x - 1 )<br> I Don't understand the last part

Jlenok [28]

X(3x-1)
=3x^2-x
because you times 3x by x to get 3x squared, and they you times -1 by x to get -x

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3 years ago

Convert the given radian measure to a degree measure.

raketka [301]

Answer:

b -342°

Step-by-step explanation:

-1•9π × 180/π

pi will cancel pi

and we will have

-1•9 × 180 = -342°

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3 years ago