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4 years ago

Kevin makes 78.37 per day . How much does he make in 7 days

Mathematics

1 answer:

NARA [144]4 years ago

5 0

Answer:

He makes $548.59

Step-by-step explanation:

78.37/per day

78.37*7=your answer

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What is the most direct use of a compass in geometric constructions?

Dmitry_Shevchenko [17]

The correct answer is:

To draw arcs of a given size.

Explanation:

A compass is a tool used to draw a circle. Since an arc is a part of a circle, the most direct use of a compass would be to draw arcs of a given size.

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3 years ago

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Which are functions and which are not

Fynjy0 [20]

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B, A, B

Step-by-step explanation:

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3 years ago

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A survey found that 60% of shoppers at My-Way-Store like chocolate ice cream. If 240 boppers like chocolate ice cream, how many

erastovalidia [21]

Answer:

400

Step-by-step explanation:

240/60=4, meaning 4 people per every percentage. Which when 4 is multiplied by 100, you get 400=100%

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3 years ago

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6÷4/9=?

madreJ [45]

Answer:

27/2 which is 13.5

Step-by-step explanation:

Keep the 6 as it is, turn the division into multiplication, and turn the 4/9 to 9/4

(This is a fixed way to treat division)

Now multiply 6 by 9 so you’re left with 54/4

Simplify the fraction you’ll get 27/2. If you use a calculator you’ll get 13.5

Please mark as brainliest if it helped :)

3 0

3 years ago

∑ ∞ n = 1 − 4 ( 1 3 ) n − 1

Law Incorporation [45]

Answer:

Step-by-step explanation:

The correct notation is: Summation from n = 1 to infinity of the expression:

$4(\frac{1}{3} )^{n-1}$

If we expand this notation, we will find that the given summation represent the terms of a G.P and we have to find the sum of infinite terms of a G.P. By placing n=1,2,3,4,... we can find the first few terms as shown below:

$4(\frac{1}{3} )^{1-1}=4\\\\ 4(\frac{1}{3} )^{2-1}=4(\frac{1}{3} ) \\\\ 4(\frac{1}{3} )^{3-1} =4(\frac{1}{3} )^{2}$

Its obvious from the above result, that the given summation represent a G.P with first term equal to 4 and common ratio of 1/3. The formula of infinite G.P is:

$S=\frac{a_{1} }{1-r}$

Using the value of a1 = 4 and r = 1/3 we can calculate the given summation

$S=\frac{4}{1-\frac{1}{3} }=6$

Therefore, the given summation is equal to 6.

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3 years ago