MATHEMATICS HIGH SCHOOL

Express each as a single power of 2...

2^a X 2^b X 2^c

2^a+b X 2^a-b

Answers

Answer 1
Answer: i) 2 ^(a)*2 ^(b)* 2^(c)          
We know that x^(a) * x^(b) = x^(a+b)
Therefore, 
2 ^(a)*2 ^(b)* 2^(c) = 2 ^(a+b+c)
ii) 2 ^(a+b) * 2 ^(a-b)= 2^((a+b+a-b))
= 2^(2a)

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One of diagonals of a parallelogram is its altitude. What is the length of this altitude, if its perimeter is 50 cm, and the length of one side is 1 cm longer than the length of the other?

I need some help with this problem​

Answers

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Tucker invested $3500 at 2% interest compounded annually. How much interest will he earn in 3 years?

A.$70.00

B.$210.00

C.$214.23

D.$3714.23

Answers

The answer is B you take $3500.00 x 2%= $70.00 in one year, take $70.00 x 3 because it is 3 years, the answer is $210.00

Express the number of inches n (d) as a function of the number of yards d

Answers

An= a1+(r-1)d
Is the formula for an arithmetic function involving D

Every two out of three kids sang at the talent show. What percent of the kids did not sing at the talent show? (round)

Answers

33.3% do notsing in the talent show.

What is a percentage?

The percentage is calculated by dividing the required value by the total value and multiplying by 100.

Example:

Required percentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

Total number of kids = 3

Number of kids who sang = 2

The number of kids who do notsing.

= 3 - 2

= 1

The percentage of kids who do not sing.

= 1/3 x 100

= 33.33%

Thus,

33.3% do notsing in the talent show.

Learn more about percentages here:

brainly.com/question/11403063

#SPJ2
66.7 %
convert to decimal the multiply by 100

Any help is appreciated!

Answers

Answer:

pretty sure is the first one

Step-by-step explanation:

-1/2x +3 =3x -4

Choose the correct simplification of the expression a to the 7th power times b to the 8th power all over a to the 4th power times b to the 4th power

Answers

First you need to write the numerical equation for the given:

( a^(7) b^(8) )/( a^(4) b^(4) )

When you will simplify this fraction, you can divide the expressions. Based on the law of exponents when you divide like terms with different exponents, you can subtract the exponents of the denominator from the numerator. 

So if you will simplify the equation:

( a^(7) b^(8) )/( a^(4) b^(4) )

Subtract the following:

Exponents of a 7-4 and;
Exponents of b 8-4

Your answer should be 
a^(3) b^(4)
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