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just olya [345]
3 years ago
9

Deshaun took 2 5/8 hours to clean the bathroom. Then took 1/4 hours to clean the den . How much total time did deshaun take to c

lean the two rooms ?
Mathematics
1 answer:
natulia [17]3 years ago
7 0

Answer:

2.875 hours 2 5/8 plus 1/4 equals 2.875

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If an integer n has three unique prime divisors, then it follows that the largest prime divisor of n is less than or equal to cu
TiliK225 [7]

Answer:

False

Step-by-step explanation:

Lets call the three prime divisors of n p, q, and r, being r the largest, we know:

n=q * p * r

Now, if

q * p < r

then

n < r * r = r^2

So:

\sqrt{n} < \sqrt{r^2} = r

Also, for every natural greater than one, we know:

\sqrt[3]{n}

so

\sqrt[3]{n}

from which:

\sqrt[3]{n} < r

So, we see, this means the preposition is false, we can find a particular counterexample:

q=2

p=3

p*q = 6

We need to choose a prime greater than 6

r=7

n= 2 * 3 *7 = 42

\sqrt[3]{42} = 3.4760 < 7

4 0
3 years ago
Write the equation of a line parallel to the given line that passes through the point (- 5, 14) . y = 3/5 * x - 21.
ExtremeBDS [4]

Answer:

y=3/5*x+17

Step-by-step explanation:

4 0
3 years ago
Hey math can you help
HACTEHA [7]
So if we’re talking about meters per second, you would need to divide.

-17.5/5 = -3.5

NOW YOU THINK THATS YOUR ANSWER BUT NOO. You CANNOT have a negative second. So you take the absolute value of -3.5 and your answer would be 3.5

The rate of the anchor is 3.5 meters per second.
3 0
3 years ago
Jim works mowing lawns and babysitting. He earns $8.80 an hour for mowing and $8.10 an hour for babysitting. How much will he ea
kicyunya [14]

Answer: $8.80 for one hour of mowing and $40.50 for 5 hours of babysitting

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
A camp leader figures that she needs one tent for every three campers, plus a tent for herself. Define a variable and write an e
Tomtit [17]
3t+1
The t stands for tent, and is being multiplied by 3 because there is always going to be 1 tent for every 3 campers. Plus one, for the camp leader. 

6 0
3 years ago
Read 2 more answers
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