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3 years ago

Help plz urgent plz i mark brainllest

Mathematics

1 answer:

ollegr [7]3 years ago

6 0

The answer to this is what the are doing with your work and how much of a sudden it happens to you though it’s not really true that you’re not wrong

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Use the rules of exponents to evaluate or simplify. Write without negative exponents. 1/4^-1/2 = ___ a0

Nastasia [14]

For this case we have, by definition:

$a^{-b} =\frac{1}{a ^ b}$

So, we have:

$\frac{1}{4}^{-\frac{1}{2}}=\frac{1}{(\frac{1}{4})^{\frac{1}{2}}}$

On the other hand we have that by definition:

$a^{\frac{1}{2}}=\sqrt{a}$

Thus, the expression can be written as:

$\frac{1}{\sqrt {\frac{1}{4}}} =$

$\frac{1}{\frac{1}{\sqrt{4}}}$

$\frac{1}{\frac{1}{2}}$

$\frac{1*2}{1*1}=2$

So, we have:

$\frac{1}{4}^{-\frac{1}{2}}= 2$

Answer:

$\frac{1}{4}^{-\frac{1}{2}}= 2$

4 0

3 years ago

What is the length of the missing base of the trapezoid?

Eddi Din [679]

Answer:

6 inches

Step-by-step explanation:

Area = (base1 + base2)/2 · height

base1 = b

base2= 8

height = 3

Area = 21

21 = (b+8)/2 ·3

21 = 3(b+8)/2

multiply both sides by 2

42 = 3(b+8)

divide both sides by 3

14 = b+8

subtract 8 from both sides

b = 6 in

5 0

4 years ago

PLEASE HELP ME

Elden [556K]

Answer:

1.175A

Step-by-step explanation:From the information given in the question, we are told that the amount of money that is in a bank account increased by 17.5% while the money at the beginning of the year is represented by A.

The expression that represents the amount of money in the bank account after the increase will be:

= A + (17.5% × A)

= A + (17.5/100 × A)

= A + (0.175 × A)

= A + 0.175A

= 1.175A

4 0

3 years ago

Answer the question please:<br> The correct answer will be marked as brainliest =)<br> thanks xoxo

Nataly [62]

100,000,000 is the answer

4 0

3 years ago

Read 2 more answers

A car dealership has 240 cars in the parking lot and 17.5 percent of them are red. Of the other 6 colors in the lot, each color

Gekata [30.6K]

33 cars
240÷100×17.5=42
240-42=198
198÷6=33

4 0

4 years ago

Read 2 more answers