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Margarita [4]
3 years ago
15

Exactly one of the numbers 2,3 5 and 7 is placed in each of the 4 empty regions formed by circles A, B and C so that the sum of

the numbers in each circle is the same. Each number is used. What is the sum of the numbers in each circle? *

Mathematics
1 answer:
Schach [20]3 years ago
5 0

Answer:

The sum of the numbers in each circle is 17

Step-by-step explanation:

The numbers to choose from are:

2, 3, 5, 7

By this alone the biggest number must be in the overlap of the three circles.

Then just fill in the numbers in such a way that they all are used.

The sum of the numbers in each circle is 17.

See picture for a solution.

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If f(x)= 1/x and g(x) = 3x+2 find (g • g)(-4)
OleMash [197]

Answer:

-4g2

Step-by-step explanation:

5 0
3 years ago
Use the equation to identify a and b * a = 1/5 and b = 3 a = 3 and b = 1/5 a= 1/5 and b =1 a = 1 and b = 3
Nadya [2.5K]

Answer:

a = 3

b = \frac{1}{5}

Step-by-step explanation:

Given

f(x) = 3(\frac{1}{5})^x --- Missing from the question

Required

Identify a and b

The given equation is an exponential function and the general form is:

f(x) = ab^x

When f(x) = ab^x is compared to f(x) = 3(\frac{1}{5})^x

We have that: a = 3 and b = \frac{1}{5}

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Square root of 700 to the nearest tenth
SpyIntel [72]
You could just use a calculator. Or, simply find the largest perfect square that is a factor of the number and then put the multiplier under a radical sign.
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4 years ago
If a student gets an A on a final exam, then the student will pass the course.
Mrac [35]

Answer: PERIOD

Step-by-step explanation:

Get good grades on your assignments and the student will pass the course with an A.

3 0
3 years ago
Worker A finishes the job in 10 hours; worker B finishes it in 12 hours, and worker C finishes it in 15 hours.
nika2105 [10]
A=1/10, b=1/12, c=1/15  (these are the rates for each worker...)

1.)

2(1/10)+4(1/12)+t/15=1

1/5+1/3+t/15=1

(3+5+t)/15=1

3+5+t=15

8+t=15

t=7

So it would take c 7 hours to finish the job.

2.)

1/40-1/60

(3-2)/120

1/120

The drain rate is 1/60.  So you will need to find t when the tank is empty, while starting at 2/3 capacity...

2/3-t/60=0

(40-t)/60=0

40-t=0

t=40

It would take 40 minutes to empty the tank when it is 2/3 full.
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4 years ago
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