2 years ago

Please do ALL 4 problems for 50 pts

Mathematics

2 answers:

Bingel [31]2 years ago

7 0

Answer:

8. none

Step-by-step explanation:

20√288

=240√2

=339

Galina-37 [17]2 years ago

7 0

Answer:

8 14 r 18

Step-by-step explanation:

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A rectangular plant holder is 8 inches long 7 1/2 inches wide and 5 inches high. How much potting soil can the planter hold

Lesechka [4]

Answer:

$300$

Step-by-step explanation:

$8 \times 7 \frac{1}{2} \times 5 \times = 300$

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2 years ago

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1/16^3x=64^2(x+8)<br> Solve for x.

SSSSS [86.1K]

Answer:

x = -4

Step-by-step explanation:

16 = 4*4 = 4²

64 = 4 * 4* 4 = 4³

$(\dfrac{1}{16})^{3x}=64^{2*(x+8)}\\\\\\(16^{-1})^{3x}=64^{2x + 16}\\\\\\16^{-3x}=64^{2x +16}\\\\(4^{2})^{-3x}=(4^{3})^{2x+16}\\\\4^{-6x}=4^{6x +48}$

As bases are same, compare exponents

6x + 48 = -6x

Subtract 48 from both sides

6x = -6x - 48

Add '6x' to both sides

6x + 6x = -48

12x = -48

Divide both sides by 12

x = -48/12

x = -4

3 0

2 years ago

If a teacher brings 3 gallons of juce on a feild trip for 36 students how many fluid ounces did she bring

Elza [17]

If there are 128 fluid ounces per US gallon, and there are 3 gallons, 3x128=384. The teacher brought 384 fluid ounces of juice on the feild trip.

6 0

3 years ago

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3. The point D(3, -2) is

ExtremeBDS [4]

Answer:

D' = ( -3, -2)

Step-by-step explanation:

Rate me branliest please :)

8 0

3 years ago

Is what i did correct?

yaroslaw [1]

No, you should have reduced each base to...
3^(3*2x) = 3^(2*(x-3))
and then you can cancel each base
3*2x = 2*(x-3)
6x = 2x-6
4x= -6
x = -3/2

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3 years ago

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