2 years ago

Please help quickly I’m being timed

1 answer:

ollegr [7]2 years ago

4 0

It’s a
Distribute the exponent to each term, then move your negative exponents to the opposite side then simplify.

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jolli1 [7]

I believe that number would be 6.
1/3n-12= -10
+12 +12
_________
1/3n = +2
x3 x3
_________
n = 6

7 0

3 years ago

densk [106]

Answer:The first one 18in.2

Step-by-step explanation:

5 0

2 years ago

kolezko [41]

The decrease was 27%.

Step-by-step explanation:

Old value = $980

New value = $720

Decrease = Old value - New value

$Decrease=980-720=\$260$

Percent decrease = $\frac{Decreased/ amount}{Old value}*100$

$Percent\ decrease=\frac{260}{980}*100\\Percent\ decrease=0.265*100\\Percent\ decrease= 26.5\%$

Rounding off to near whole percent

Percent decrease = 27%

The decrease was 27%.

Keywords: Percentage, subtraction

Learn more about subtraction at:

#LearnwithBrainly

6 0

2 years ago

Zina [86]

$3 \frac{1}{4} = \frac{13}{4}$
$2 \frac{1}{3} = \frac{7}{3}$
$\frac{39}{12} + \frac{28}{12} =$
$= \frac{67}{12} = 5 \frac{7}{12}$

3 0

2 years ago

Dmitrij [34]

Answer: 36 cm

Explanation: Use Pythagorean Theorem to solve the question: a^2+b^2=c^2

3 0

3 years ago