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daser333 [38]
3 years ago
10

Explain the error in the work shown. Find the correct answer.

Mathematics
2 answers:
const2013 [10]3 years ago
5 0
You cant have a negative exponent

Kobotan [32]3 years ago
4 0
The mistake is in 3rd step, as we can't equate powers if bases are different.
4^-3=2^8a
2^-6=2^8a
-6=8a
-3/4=a
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*nervous laugh* SO ummm geometry isnt my thing actually im rather bad it please help!
Savatey [412]
I believe the answer would be D 92 and 88 hope it helped 
8 0
3 years ago
Read 2 more answers
Find two integers whose difference is -6. ( There are many!)
olga nikolaevna [1]

Step-by-step explanation:

There are infinitely many such integers.

x - y = -6            <em>add y to both sides</em>

x = -6 + y → x = y - 6

1. Choose any y value.

2. Substitute for the equation.

3. Calculate the value of x.

Examples:

for y = 0 → x = 0 - 6 = -6

check: -6 - 0 = -6

for y = 10 → x = 10 - 6 = 4

check: 4 - 10 = -6

for y = -9 → x = -9 - 6 = -15

check: -15 - (-9) = -15 + 9 = -6

5 0
3 years ago
33.3% of what number is 32
KATRIN_1 [288]

Answer:

10.656

Step-by-step explanation:

the percentage of a number 33.3 percent of 32 would be 10.656.

5 0
3 years ago
455 cm converted to mL
Tom [10]
455 cubic centimeters =
455 milliliters
8 0
2 years ago
Solve for the base. Round to hundredths when necessary.
Elena-2011 [213]

Answer:

  1. 2730.54
  2. 18.8%
  3. 62.5% (decrease)

Step-by-step explanation:

The applicable formula is ...

  rate = portion/base

so ...

  base = portion/rate

Of course, a percentage is a fraction that has been multiplied by 100%.

__

1. base = portion/rate = 456/0.167 ≈ 2730.54

The base is about 2730.54.

__

2. rate = portion/base = 50/266 ≈ 0.18797 ≈ 18.8%

The rate is about 18.8%.

__

3. The decrease can be figured from ...

  rate of change = (new amount)/(original) -1 = 33/88 -1

     = -5/8 = -0.625 = -62.5%

The rate of decrease is 62.5%.

6 0
3 years ago
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