3 years ago

Evaluate the exponent using the power to a power rule. (2²a4b7)^3

Mathematics

1 answer:

slega [8]3 years ago

6 0

The answer is 64a^12b^21

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35 POINTS PLS HELP I HAVE UNTIL 12 TO FINISH

evablogger [386]

Answer: The first one is = 27.5

1/3 * 25 * 3.3 = 27.5

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3 years ago

Which expressions are equivalent to 16x4 − 64? Check all that apply. 16x4 + 16x – 16x – 64 16x4 – 8x – 8x – 64 (4x2 + 8)(4x2 – 8

KengaRu [80]

Answer:

16x4 + 16x – 16x – 64

16x4 – 8x – 8x – 64

(4x2 + 8)(4x2 – 8)

16(x2 + 2)(x2 – 2)

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3 years ago

(05.01)Which equation can be used to calculate the area of the shaded triangle in the figure below?

Lemur [1.5K]

2nd one, take area of whole 12 x 4=48, if area is equally divided, divide area by 2 or multiply by 1/2

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3 years ago

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Your friend can clap his hands 28 times in 12 seconds. How many times can your friend clap his hands in 0.5 minute?

Allushta [10]

60 seconds in a minute

12 goes into 60, 5 times,
So 5 * 28 = 140
140 claps per minute

0.5 minute is 30 seconds, half a minute so divide by 2,
140/2 = 70

70 times every 0.5 minutes

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3 years ago

The sum of two numbers is 126 and their difference is 42. what are two numbers

Snowcat [4.5K]

Answer:

Step-by-step explanation:

$x,\ y-numbers\\\\\text{The system of equations:}\\\\\underline{+\left\{\begin{array}{ccc}x+y=126\\x-y=42\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad2x=168\qquad\text{divide both sides by 2}\\.\qquad x=84\\\\\\\text{Put the value of}\ x\ \text{to the first equation:}\\\\84+y=126\qquad\text{subtract 84 from both sides}\\y=42$

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3 years ago