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Lyrx [107]
3 years ago
10

I need help with homwork. (please) On topic of exponents. Show all work

Mathematics
2 answers:
STatiana [176]3 years ago
8 0
8:7 because 7x5 35 ok
Blizzard [7]3 years ago
5 0

Answer:

Step-by-step explanation:

Step-by-step explanation:

5:28^25 I think

6:keep the base multiply exponents

7:no because you would multiply the bases and keep the exponent the same

8:7 because 7 x 5= 35

1: 2 and 3 for the second part of it 2 and 5

2:7^30

3:54^3

4:Yes they are just flipped

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andrew11 [14]

Answer:

x = 48-32 = 16

y = 32/16 × 10 = 20

z = 48/32 × 26 = 39

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A pipe consists of two concentric cylinders, with the inner cylinder hollowed out. Describe how you could calculate the volume o
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cylinder formula

Step-by-step explanation:

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Which value or in the solution set of the inequality − 2/3 x + 13 ≥ − 1
Svetach [21]

Answer:

x\leq21

Step-by-step explanation:

(-2/3)x+13≥ -1

    (-2/3)x≥ -14 (I subtracted by 13 on both sides)

             x\leq-14*(-3/2) (I divided by -2/3 on both sides)

             x\leq21

5 0
3 years ago
Given: ABCD parallelogram BK ⊥ AD , AB = 6, AK = 3 Find: m∠A, m∠B, m∠C, m∠D
Troyanec [42]

Answer: Angle A = 60°, angle B = 120°, angle C = 60°, angle D = 120°

Step-by-step explanation: Please refer to the attached diagram for further details.

The question has given the parallelogram ABCD as having side AB measuring 6 units, side AK measuring 3 units and line BK has been drawn perpendicular to line AD. This means line AK forms a right angle at the point where it meets line AD. From the information provided and the figure derived from that, we have right angled triangle ABK with the right angle at point K, line AB equals 6 units and line AK equals 3 units.

Using angle A as the reference angle, line AK is the opposite (side facing the reference angle), line AB is the hypotenuse (line facing the right angle) and line AK is the adjacent (side that lies between the right angle and the reference angle).

Hence, using the trigonometric ratios,

Cos A = adjacent/hypotenuse

Cos A = 3/6

Cos A = 0.5

Checking with the calculator, (that is second function of Cos 0.5)

A = 60

The opposite sides of a parallelogram are equal (that is line AD is parallel to line BC) and therefore opposite angles are equal (that is angle A is equal to angle C).

Similarly, angle B is equal to angle D. However, angles in a quadrilateral equals 360 degrees.

Therefore, angles in parallelogram ABCD is derived as;

A + B + C + D = 360

60 + B + 60 + D = 360

120 + B + D = 360

Subtract 120 from both sides of the equation

B + D = 240

Having known that angle B equals angle D, angles B and D is derived as each half of the value 240

Angle B = 240/2

Angle B = 120

and angle D = 120

Therefore, the angles are;

A = 60, B = 120, C = 60, D = 120

3 0
3 years ago
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