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bazaltina [42]
3 years ago
10

Which expression is equivalent to r^m ÷ r^n r^m − n r^m + n r^m ⋅ n r^m ÷ n

Mathematics
2 answers:
REY [17]3 years ago
4 0
Hey there!

The answer should be r^m + n 
Neporo4naja [7]3 years ago
4 0
<span>r^m ÷ r^n
= r^(m - n)

Answer
</span>r^(m - n)
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Tessa bought stock in a restaurant for $173.00. Her stock is now worth $242.20. What is the percentage increase of the value of
frozen [14]

Answer:

The percentage increase in Tessa's stock is 40%

Step-by-step explanation:

Given that:

Previous worth = $173

Worth now = $242.20

We have to find percentage increase which can be known by subtracting previous worth from present worth and multiplying it by 100:

Percentage increase = $242.20 - $173 = $69.2

Percentage increase = $69.2/173 *100

Percentage increase = 40%

i hope it will help you!

7 0
3 years ago
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7 0
3 years ago
Read 2 more answers
Solve :(use unitary method)
andre [41]

Answer:

a. 8

b. 114

Step-by-step explanation:

a.

36/6 = 48/x

36x = 288

x = 8

b.

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8 0
2 years ago
Jay estimates that a basketball weights about .5 pounds. Shawna estimates that a basketball weights about.05. Whose estimate is
Natasha_Volkova [10]

Answer:

Jay's estimate is closer to the actual weight of the basketball

Step-by-step explanation:

The standard weight of an NBA basketball is 1.4 pounds.

Judging the accuracy of Jay's and Shawna's answer based on their percentage error when compared with the standard, we have that Jay's answer has a lower error as shown below

Error  = (Standard value - Estimated value)/ Standard Value ×100

Error in Jays answer = \frac{1.4 - 0.5}{1.4} × 100 = 64.28 %

Error in Shawna's answer = \frac{1.4 - 0.05}{1.4} × 100 = 96.42%

From this, It is obvious that Jay's answer has a lower percentage error when compared to the actual value.

8 0
3 years ago
Solve the multi step literal equation: solve equation for A b^2A^2-3g=q
I am Lyosha [343]

Answer:

A = ± \sqrt{\frac{q+3g}{b^2} }

Step-by-step explanation:

Given

b²A² - 3g = q ( add 3g to both sides )

b²A² = q + 3g ( divide both sides by b² )

A² = \frac{q+3g}{b^2} ( take the square root of both sides )

A = ± \sqrt{\frac{q+3g}{b^2} }

5 0
3 years ago
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