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elena55 [62]
2 years ago
10

Find the least common denominator of 11/10 and 1/15

Mathematics
2 answers:
vova2212 [387]2 years ago
6 0
Answer is 30 is the least common denominator and 330 is the greatest common denominator
alexdok [17]2 years ago
5 0

Answer: The least common denominator is 30.

Step-by-step explanation: Look at the image I have uploaded.

Good luck!

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An electrician charges $322 for 7 hours of work. How much does the electrician charge for one hour?
In-s [12.5K]

Answer:

About 46 dollars an hour

Step-by-step explanation:

322/7 = 46

3 0
3 years ago
Someone please help me out with number 8 and 9 and 10
Ket [755]

Answer:

9. 0.0539 Liters

10. 216 quarts

Step-by-step explanation:

I dont know the answer to 8 but i do for 9 and 10!

plz drop a brainliest.

8 0
3 years ago
A different species of cockroach has weights that are approximately Normally distributed with a mean of 50 grams. After measurin
Ratling [72]

Answer:

The standard deviation of weight for this species of cockroaches is 4.62.

Step-by-step explanation:

Given : A different species of cockroach has weights that are approximately Normally distributed with a mean of 50 grams. After measuring the weights of many of these cockroaches, a lab assistant reports that 14% of the cockroaches weigh more than 55 grams.

To find : What is the approximate standard deviation of weight for this species of cockroaches?

Solution :

We have given,

Mean \mu=50

The sample mean x=55

A lab assistant reports that 14% of the cockroaches weigh more than 55 grams.

i.e. P(X>55)=14%=0.14

The total probability needs to sum up to 1,

P(X\leq 55)=1-P(X>55)

P(X\leq 55)=1-0.14

P(X\leq 55)=0.86

The z-score value of 0.86 using z-score table is z=1.08.

Applying z-score formula,

z=\frac{x-\mu}{\sigma}

Where, \sigma is standard deviation

Substitute the values,

z=\frac{x-\mu}{\sigma}

1.08=\frac{55-50}{\sigma}

1.08=\frac{5}{\sigma}

\sigma=\frac{5}{1.08}

\sigma=4.62

The standard deviation of weight for this species of cockroaches is 4.62.

4 0
3 years ago
Help please! Check picture!!
levacccp [35]

Answer:

5

Step-by-step explanation:

They are different by 5 percantages

3 0
3 years ago
What does b stand for in the equation y=mx+b
hjlf

Answer:

b is the y- intercept

Step-by-step explanation:

Hope this helps :]

8 0
3 years ago
Read 2 more answers
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