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12345 [234]
3 years ago
14

Please help me someone

Mathematics
1 answer:
posledela3 years ago
6 0
To solve this, you need to know three exponent rules:
1) Power of a product
Basically says (ab)^{2} =  a^{2}  b^{2}. This means a product raised to a power is the same as taking each factor to that power and multiplying them.

For example: (5a)^{2}  = 5^{2} a^{2}

2) Product of powers
Basically says a^{m}  a^{n} =  a^{m+n}. When two expressions with the same base (a) are multiplied, you can add their exponents while keeping the same base.

For example: a^{2}  a^{3} = a^{2+3} =  a^{5}

3) Power of a power
Basically says (a^{m})^{n} =  a^{m \times n}. When an exponent is being raised to a exponent, you can multiply the exponents.

For example: (a^{2})^{3} = a^{(2 \times 3)} =  a^{6}
----

Back to your problem:
You are asked to simplify (6x^{2} y)^{2} (y^{2})^{3}, Tackle it by simplifying both factors and then multiplying them together and simplifying again.

1) First use the power of a product rule to change (6x^{2} y)^{2} into 6^{2}  (x^{2})^{2}  y^{2}. Simplify it into 
36 x^{4}  y^{2} using the power of a power rule.

2) Simplify (y^{2})^{3} into y^{6} using the power of a power rule.

3) Multiply the simplified factors from part one and two and simplify using the product of powers rule:
(36 x^{4} y^{2})(y^{6})\\
= (36 x^{4})(y^{2} y^{6})\\
= (36 x^{4})(y^{2+6}) \\
= 36 x^{4}y^{8}

---

Answer: 36 x^{4}y^{8}
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Cube with each face number 1,2,3,4,5,6. what is the probability if you roll the cube 4 times, you will get the number 5 each tim
Klio2033 [76]
Roll 1: 1 number out of 6 total numbers = 1/6
Roll 2: 1 number out of 6 total numbers = 1/6
Roll 3: 1 number out of 6 total numbers = 1/6
Roll 4: 1 number out of 6 total numbers = 1/6

Roll 1 AND Roll 2 AND Roll 3 AND Roll 4
   1/6     x       1/6      x     1/6      x      1/6    = 1/1296






7 0
3 years ago
HELP!!! 10 POINTS OFFERED!!THIS IS MY LAST QUESTION!!
Sladkaya [172]

Answer:

A (-2,8)          B (-1,5)                  C (-6,2)

A(-2,-7)         B(-5,-8)                  C(-8,-3)

Step-by-step explanation:

                                  x,y                     x,y                          x,y

                              A(7,-2) ,              B(8,-5) ,                  C(3,-8)

translation               (7-9),(-2+10)     (8-9),(-5+10)          ( 3-9),(-8+10)

(x-9) and (y+10)        (-2,8)                    (-1,5)                     (-6,2)

when rotation 270 degrees counterclockwise around the origin:

A(x,y ) Then A'(-y,x) means switch x and y and make x negative

A(7,-2 )  rotation 270 degrees counterclockwise (-2,-7)

B(8,-5)        to (-5,-8)

C(3,-8)        to (-8,-3)

4 0
3 years ago
I need help with this so can someone please help me
slava [35]

9514 1404 393

Answer:

  • 16x
  • -4x +4
  • 8x +8
  • 8x

Step-by-step explanation:

Like terms are ones with the same variable (or set of variables). Here, any x-terms are "like" terms. They are combined by adding their coefficients.

  4x +4x +4x +4x = x(4+4+4+4) = 16x

  -7x +4 +3x = x(-7+3) +4 = -4x +4

  3x +5x +8 = x(3+5) +8 = 8x +8

  4x +4x = x(4+4) = 8x

3 0
3 years ago
Find the length of AB. Leave
vovikov84 [41]

Answer:

<em>AB = 3π</em>

Step-by-step explanation:

<em>See attachment for correct format of question.</em>

Given

From the attachment, we have that

θ = 20°

Radius, r = 27

Required

Find length of AB

AB is an arc and it's length can be calculated using arc length formula.

Length = \frac{\theta}{360} * 2\pi r

<em>Substitute 20 for θ and 27 for r</em>

Length = \frac{20}{360} * 2\pi *27

Length = \frac{20 * 2\pi * 27}{360}

Length = \frac{1080 \pi}{360}

Length = 3\pi

Hence, the length of arc AB is terms of π is 3π

3 0
3 years ago
Can you conclude that the parallelogram is a rhombus, a rectangle, or a square? Explain. PLEASE HELP! WILL MARK BRAINLIEST!!!!
ludmilkaskok [199]

Answer:  A parallelogram is a rectangle.

Step-by-step explanation:

This is always true. Â Squares are quadrilaterals with 4 congruent sides and 4 right angles, and they also have two sets of parallel sides. Parallelograms are quadrilaterals with two sets of parallel sides. ... A parallelogram is a rectangle.

5 0
2 years ago
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