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skelet666 [1.2K]
2 years ago
13

Simplify the expression using the rules for

Mathematics
2 answers:
kodGreya [7K]2 years ago
7 0

Answer:

<em>( b^5 c^5 ) / a^10 </em>

Step-by-step explanation:

Properties of exponent we are going to use:

First step: a^{-1} = \frac{1}{a}

Second step: a^{n} b^{n} = (ab)^{n}

Third step: a^{m} a^{n} = a^{m+n}

Forth step: ( a^{m} )^{n} = a^{mn}

~~~~~~~~~~~~~

1). \frac{( ab^{-3} c^{-3} ) ^{5} }{(a^{-3} b^{4} c^{4} ) ^{-5}  } = ( a b^{-3} c^{-3} ) ^{5} ( a^{-3} b^4 c^4 )  ^{5}

2). ( aa^{-3} b^{-3} b^{4} c^{-3} c^{4} ) ^{5}

3). ( a^{1-3} b^{-3+4} c^{-3+4} )  ^{5}

4). a^{-2*5} b^{5}  c^{5}

a^{-10} b^{5} c^{5} = \frac{b^5 c^5 }{a^{10}  }

german2 years ago
6 0

Step-by-step explanation:

(a×b^-3×c^-3)⁵ / (a^-3×b⁴×c⁴)^-5

let's look at the numerator (the top) first :

a⁵×b^-15×c^-15

and now the denominator (the bottom) :

a¹⁵×b^-20×c^-20

both divided are (due to the commutative rules of multiplication we can split this first into the parts of the individual variables, and then multiply them all with each other) :

a⁵/a¹⁵ = 1/a¹⁰

b^-15 / b^-20 = b^(-15 ‐ -20) = b⁵

c^-15 / c^-20 = c⁵

so we get as result :

b⁵c⁵/a¹⁰

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As shown in the diagram of the right triangles below, Triangle: ABC ~ Triangle: DEF, AB = 7x, BC = 4, DE = 7, EF = x. What is th
charle [14.2K]

since triangles are similar

4/x = 7x/7

=》 4/x = x

=》x^2 = 4

=》 x = 2

for right triangles a^2 = b^2+c^2

DF^2 = 7^2+2^2 = 53

=》 DF = 7.28

perimeter of DEF = 7 +2+7.28 = 16.28

8 0
3 years ago
Mr. Parker has 982 pounds of grain. He feeds 240 pounds ro his pigs and 460 to his cows. How much grain does he have left
denpristay [2]

Starting amount: 982 pounds of grain

Since Mr. Parker fed 240 pounds of grain to his pigs, subtract 240 pounds from 982 pounds of grain.

982 - 240 = 742

After feeding pigs: 742 pounds of grain

Mr. Parker fed another 460 pounds of grain to his cows from his 742 pounds, so subtract 460 pounds from 742 pounds.

742 - 460 = 282

After feeding pigs and cows: 282 pounds of grain

Mr. Parker has 282 pounds of grain left.

3 0
3 years ago
Error Analysis: Kayla said the remainder of x^3+ 2x^2 -4x + 6 divided by
andrezito [222]

9514 1404 393

Answer:

  C) No, Kayla is not correct, because the remainder is -49 not 149

Step-by-step explanation:

The remainder from division by x+5 can be found by evaluating the polynomial at x=-5, the value of x that makes the divisor zero.

Evaluation is often easier when the function is written in Horner form.

  ((x +2)x -4)x +6

For x=-5, this is ...

  ((-5 +2)(-5) -4)(-5) +6 = (-3(-5) -4)(-5) +6 = 11(-5) +6 = -49

Kayla is not correct; the remainder is -49.

5 0
2 years ago
Find the value of a from the following data whose mean is 23 29,33, 27, a, 19, 17, 10 ​
ollegr [7]

Answer:

a = 26

Step-by-step explanation:

29 + 33 + 27 + a + 19 + 17 + 10 / 7 = 23

135 + a / 7 = 23

135 + a = 161

a = 26

5 0
2 years ago
A<br> What is the product of 7 square root of 2 and 6 square root of 6 in simplest radical form?
ivolga24 [154]

Answer: 84/3

Step-by-step explanation:

8 0
2 years ago
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