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Minchanka [31]
3 years ago
8

Please help with the answer :(

Mathematics
1 answer:
Alenkinab [10]3 years ago
4 0

Answer:

c

Step-by-step explanation:

3/4

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What is p^m ÷ p^n equal to?<br> pm − n <br> pm + n <br> pm • n <br> pm ÷ n
Sunny_sXe [5.5K]
EXPONENTIALLY \: \: \: REDUCED \\ \\ \\ \\Given \: \: Expression \: \: - \\ \\ \\ \: \: \: \: \: \: \: \: \: \: {p}^{m} \: \: \div \: \: {p}^{n} \\ \\ \\ \: \: \: = \: \: \frac{ {p}^{m} }{ {p}^{n} } \\ \\ \\ \\ \: \: \: = \: \: {p}^{m - n} \: \: \: \: \: \: \: \: \: \: Ans.
7 0
3 years ago
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The price of an item has been reduced by 10%. The original price was $51. What is the prince of the item now?
AlekseyPX

Answer:

The new price is 45.90

Step-by-step explanation:

The original price is 51

Find the discount of 10 %

51*10%

51*.10

5.1

Subtract this from the original price

51- 5.1

45.9

The new price is 45.90

4 0
2 years ago
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Andre wants to run ten miles in three days. He ran 2.5 miles on Monday and 4.4 miles on Tuesday. How many miles does Andre need
Daniel [21]

Answer:

3.1 miles

Step-by-step explanation:

2.5 + 4.4 = 6.9

10 - 6.9 = 3.1

4 0
3 years ago
Here is a tunnel for a toy train.
jonny [76]

The <em>total</em> area of all six faces of the tunnel is 614.197\pi square centimeters.

<h2>Procedure - Surface area of a tunnel for a toy train</h2>

The surface area of the solid (A) used to represent the tunnel for a toy train is the sum of its six faces (two <em>semicircular</em> sections, inner <em>semicircular</em> arc section, outer <em>semicircular</em> arc section, two rectangles).

<h3>Determination of the surface area of the tunnel based on information of the diagram</h3>

We calculate the surface area as following:

A = 2\cdot \frac{\pi}{2} \cdot [(10\,cm)^{2}-(8\,cm)^{2}] + \pi\cdot (8\,cm)\cdot (30\,cm) + \pi\cdot (10\,cm)\cdot (30\,cm) + 2\cdot (2\,cm)\cdot (30\,cm)

A = 614.197\pi\,cm^{2}

The <em>total</em> area of all six faces of the tunnel is 614.197\pi square centimeters. \blacksquare

To learn more on surface areas, we kindly invite to check this verified question: brainly.com/question/2835293

5 0
2 years ago
James surveyed people at school and asked whether they bring their lunch to school or buy their lunch at school more often. The
Brrunno [24]

Answer:

The correct option is 4.

Step-by-step explanation:

Given information:

Bring lunch : 46 males, 254 females

Buy lunch   : 176 males, 264 females

Total number of peoples is

46+254+176+264=740

Total number of males is

46+176=222

The probability of male is

P(Male)=\frac{Males}{Total}=\frac{222}{740} =0.3

Since probability of males is 0.3, therefore options A and C are incorrect.

Total number of persons who buys lunch is

176+264=440

The probability of persons who buys lunch is

P(\text{Buys lunch})=\frac{\text{Buys lunch}}{Total}=\frac{440}{740} =\frac{22}{37}

We need to find the probability of P(male | buys lunch).

According to the conditional probability, we get

P(\frac{A}{B})=\frac{P(A\cap B)}{P(B)}

P(male | buys lunch)=\frac{P(\text{male }\cap \text{ buys lunch})}{P(\text{buys lunch})}

P(male | buys lunch)=\frac{\frac{176}{740}}{\frac{22}{37}}

P(male | buys lunch)=\frac{2}{5}=0.4

Therefore the correct option is 4.

8 0
3 years ago
Read 2 more answers
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