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VLD [36.1K]
3 years ago
10

Simplify the following exponential expressions:

Mathematics
2 answers:
slava [35]3 years ago
8 0
30y 1# 24x^7 2# 105m^7 3#.
zhannawk [14.2K]3 years ago
5 0

Answer:

See below

Step-by-step explanation:

1. \: 6 {y}^{3}  \times 5 {y}^{6}  \\  = 6 \times 5 \times  {y}^{3 + 6}   \\ = 30 {y}^{9}  \\  \\ 2. \: 8 {x}^{5}  \times 3 {x}^{2}   \\ = 8 \times 3 \times  {x}^{5 + 2}   \\ = 24 {x}^{7}  \\  \\ 3. \: 7m^4  \times  3m  \times  5m^2  \\ = 105 {m}^{4 + 1 + 2}   \\ = 105 {m}^{7}  \\  \\ 4. \: 10d^7  \times  5d^0 \\  = 10 \times 5 \times  {d}^{7 + 0}  \\  = 50 {d}^{7}

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To do this, divide 9 by 5. it is one, with a remainder of 4. so the 4 goes over 5 as a fraction. the answer is then 1 4/5
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HELP ASAP!!! Find a counterexample to disprove the conjecture. Conjecture |x - y| = |x| - |y|
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Step-by-step explanation:

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3 years ago
Select the correct responses in the table. The relationship between two numbers is described below, where x represents the first
zhenek [66]

9514 1404 393

Answer:

  • x² = y + 16
  • 4y - 1 = 7x
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Step-by-step explanation:

Writing equations from words is mostly a matter of understanding what the English words mean.

If the first number is x, then the square of the first number is x². That is said to be equal to the sum of the second number (y) and 16:

  x² = y + 16 . . . . the first equation

The wording "the difference of A and B" is usually intended to be interpreted to mean A-B. Here, we have the difference of 4 times the second number (4y) and 1, so ...

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3 0
3 years ago
Which is equivalent to the expression?
Mariulka [41]

Answer:

Step-by-step explanation:

1/2(13-5)+(4+8)^2

A. 148

B. 144

C. 20

D. 16

We must follow "PEMDAS" order of operations rules.  Anything inside parentheses must be done first, followed by exponentiation, multiplication and division, and finally additionl and subtraction.

1/2(13-5)+(4+8)^2 has three sets of parentheses enclosing mathematical expressions:  (1/2), (13 - 5) and (4 + 8).  These evaluate to:

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and so we now have (1/2)(8) + (12)^2

Exponentiation is next.  We get:  (1/2)(8) + 144

Next is multiplication:                         4      + 144

Last is addition:                                       148

Answer A is correct:  148

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is evaluated in the same way:

8 x 9+4^2-(9), followed by exponentiation:

8*9 + 16 - 9, followed by multiplication:

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3 years ago
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Semmy [17]

Answer:

black

Step-by-step explanation:

5 0
3 years ago
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