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coldgirl [10]
3 years ago
9

What is the surface area of the figure?

Mathematics
2 answers:
Kaylis [27]3 years ago
8 0
The answer is 180cm2
qwelly [4]3 years ago
5 0

Answer:

I got 300, though it's not in the answer choices

Step-by-step explanation:

Separate them into two separate rectangles

5×10×4= 200cm

5×5×4= 100cm

=300cm^2

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Julie had $500. She spent 20% of it on clothes and then 25% of the
Anuta_ua [19.1K]

Answer:

$500 X 0.20 = $100

500-100=$400 Remaining

400 X 0.25 = $100

400-100=$300

he have spend $200

4 0
3 years ago
Determine if x + 3 is a factor of -3x^3+6x^2+6x+9 How do you know
Reika [66]

Answer:

  x+3 is not a factor

Step-by-step explanation:

A graphing calculator shows the expression has a zero at x=3 and no other real zeros. If x+3 were a factor, there would be a zero at x = -3.

  x+3 is not a factor of the expression.

_____

You can check to see if x+3 is a factor by evaluating the expression for x=-3. If (x+3) is a factor, x=-3 will make the function be zero.

  3(-x³ +2x² +2x +3) = 3(((-x +2)x +2)x +3) = 3(((-(-3)+2)(-3) +2)(-3) +3)

  = 3((-15+2)(-3) +3) = 3(39 +3) = 126 ≠ 0

The expression evaluates to 126 at x=-3, so x+3 is NOT a factor.

7 0
2 years ago
Estimate first to the nearest whole number 6.07x3.29
Oksanka [162]

Answer:

6x3=18

Step-by-step explanation:

6 0
2 years ago
While placing a compact disc into a CD player, you notice a small chip on it\'s edge. But you attempt to play the CD anyway by p
Vera_Pavlovna [14]

Answer:

  (x, y) ≈ (-5.89, 1.16)

Step-by-step explanation:

We assume the CD is still accelerating at the same rate at the end of the given time period. The angular position will be found from ...

  θ(t) = θ₀ + (1/2)a·t²

Filling in the numbers given, we get

  θ(3.51) = (10π/180) + (1/2)(2.49)(3.51²) = 15.51306 . . . radians

The x-y coordinates will be found from ...

  (x, y) = radius·(cos(θ), sin(θ)) ≈ 6·(-0.981066, 0.193674)

  (x, y) ≈ (-5.89, 1.16)

_____

For the trig functions, the calculator must be in radians mode, unless you have converted the angles to degrees.

8 0
3 years ago
Simplify the expression (-4)(9)/(-6)<br><br>6<br><br>–36<br><br>36<br><br>–6
DaniilM [7]

(-4)(9)/(-6)

= -36/(-6)

= 6 answer

7 0
3 years ago
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