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IceJOKER [234]
3 years ago
13

Which is equivalent to 4 square root 9^1/2^?

Mathematics
1 answer:
zzz [600]3 years ago
3 0
I think this is it,please try and looking it up also for a better explanation

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Jimmy can oil the lanes in a bowling alley in eight hours. Perry can oil the same lanes in nine hours. How long would it take th
Furkat [3]

Answer:

It would take 4\frac{4}{17} or <u>4.24 hours</u> to oil the lanes if they work together.

Step-by-step explanation:

Given:

Time to oil the lanes by Jimmy alone = 8 hours

Time to oil the lanes by Perry alone = 9 hours

Now, let the time taken by both working together be 'x' hours.

Part of the work done in 1 hour by Jimmy alone = \frac{1}{8}

Part of the work done in 1 hour by Perry alone = \frac{1}{9}

Part of the work done in 1 hour by Jimmy+Perry together = \frac{1}{x}

Now, total work in 1 hour is given as:

\frac{1}{8}+\frac{1}{9}=\frac{1}{x}\\\\\frac{1\times 9}{8\times 9}+\frac{1\times 8}{8\times 9}=\frac{1}{x}\\\\\frac{9+8}{72}=\frac{1}{x}\\\\\frac{17}{72}=\frac{1}{x}\\\\\textrm{Doing cross product, we get:}\\\\17x=72\\\\x=\frac{72}{17}=4\frac{4}{17}\ hours

Therefore, it would take 4\frac{4}{17} or 4.24 hours to oil the lanes if they work together.

6 0
3 years ago
What is the center of the circle given by the
Andru [333]

Answer:

B. (−17, 4)

Step-by-step explanation:

We can write the equation of a circle in the form

(x-h)^2 + (y-k)^2 = r^2  where (h,k) is the center and r is the radius

(x + 17)^2 + (y − 4)^2 = 23

(x - -17)^2 + (y − 4)^2 = ( sqrt (23))^2

The center is (-17,4) and the radius is (sqrt(23)

5 0
3 years ago
If a cruise ship was going 24 mph and traveled 15 miles, how long did it take it to get to it's destination?
SVEN [57.7K]

Answer:

37.5

Step-by-step explanation:

so 24 miles per hour

15 miles

15/24

= 0.625 hours

60 x 0.625 = 37.5

It took 37 and 1/2 minutes

4 0
3 years ago
Disproof by counter example: For all positive integers x: 1/x &lt; 1
xz_007 [3.2K]

Answer:

The given statement is correct for all positive integers.

Step-by-step explanation:

The given inequality is

\frac{1}{x} for all positive integers

\frac{1}{x}1

5 0
3 years ago
explain and illustrate what of means when you find a fraction of another number. what operation do you use when you find parts o
Keith_Richards [23]
Its called equivalent fractions when you have a whole fraction
7 0
3 years ago
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