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2 years ago

Which sign makes the statement true? 590 ? 5 × 10^2 (>) (<) (=)

Mathematics

1 answer:

ludmilkaskok [199]2 years ago

3 0

Answer:

Step-by-step explanation:

5 × 10^2 = 500

so 590 is greater than or > 5 × 10^2 or 500

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Factor each polynomial. check your answer. <br> 12x^4 - 8x^3 - 4x^2

tekilochka [14]

Answer:

2x^2(3x^2-2x-1)

Step-by-step explanation:

12x^4 - 8x^3 - 4x^2

everything is a multiple of 4 so divide the whole thing by 4

12x^4 - 8x^3 - 4x^2/4= 3x^4-2x^3-1x^2

write it in disturbed form

2(3x^4-2x^3-1x^2)

now if u see we can see that the X will be same, so we also have to factor it out and 2 is the exponent that all can give

2x^2(3x^2-2x-1)

7 0

3 years ago

Read 2 more answers

Tom bought a computer for 15% off from the list price of p dollars. If the sales tax was 8%, how much did he pay for the compute

Dvinal [7]

p-5 3\8%. 1111111111111111111111111

8 0

2 years ago

Plz help i'll give thanks and brainliest

yan [13]

I believe it is D if i’m correct

3 0

2 years ago

The equation 4x2 – 24x + 4y2 + 72y = 76 is equivalent to

DerKrebs [107]

Answer:

Option 4 is correct.

The equation $4x^2 -24x + 4y^2 + 72y = 76$ is equivalent to $4(x-3)^2 + 4(y+9)^2 =436$

Step-by-step explanation:'

Given equation: $4x^2 -24x + 4y^2 + 72y = 76$

First group the terms with x and those with y;

$(4x^2-24x)+(4y^2+72y) = 76$

Next, we complete the squares.

We can do this by adding a third term such that the x terms and the y terms are perfect squares.

For this we must either add the same value on the other side of the equation or subtract the same value on the same side so that the equality is maintained.

⇒ $4(x^2-6x) +4(y+18y) = 76$

$4(x^2 -6x +3^2 -3^2) + 4(y^2 +18y +9^2 -9^2) = 76$

$4(x^2-6x + 3^2) - 36 + 4(y^2+18y +9^2) - 324 = 76$

$4(x-3)^2 + 4(y+9)^2 - 360 =76$

Add 360 on both sides we get;

$4(x-3)^2 + 4(y+9)^2 =360 +76$

Simplify:

$4(x-3)^2 + 4(y+9)^2 =436$

Therefore, the given equation is equivalent to $4(x-3)^2 + 4(y+9)^2 =436$

5 0

3 years ago

A cell phone weighs about 2.8X10^n pounds. Which value of n is most reasonable? A)-3 b)-1 c)0 d)1

krek1111 [17]

Just plug in every value and see if it's a reasonable weight for a cell phone.

$\sf 10^{-3}=0.001$
$\sf 10^{-1}=0.1$
$\sf 10^0=1$
$\sf 10^1=10$

$\sf 2.8\times 0.001=0.0028$
$\sf 2.8\times 0.1=0.28$
$\sf 2.8\times 1=2.8$
$\sf 2.8\times 10=28$

So what is the most reasonable weight for a cell phone? 0.0028 pounds, 0.28 pounds, 2.8 pounds, or 28 pounds? I would definitely say 0.28 pounds.

7 0

2 years ago

Read 2 more answers