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Katarina [22]
3 years ago
9

Ms. Bloom spent 1 5/12 hours in preparing for her class and spent 2 1/12 hours teaching the class. Later that day, she spent 1 1

1/12 hours cleaning her work desk at home. How much time did she spend on working this day.?
Mathematics
1 answer:
Yuri [45]3 years ago
7 0

Answer:

5 and 5/12 hours because you just add them up.

Step-by-step explanation:

they all have a common denominator so you don't need to worry about finding one. 1 + 2 + 1. Then you do 11/12 + 1/12 + 5/12 and add up the two bolded things that I did. Your Welcome!!

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Simplify (1-√3)(⅓+√3) leaving your answer in the form p+q√3​
Mars2501 [29]

Answer:

\frac{-8 +2\sqrt{3} }{3}

Step-by-step explanation:

When working with surds we need to take note of the roots present there.

To expand this equation we can do it the following way noting that √3 X √3 = 3

<em></em>

<em>Expanding (1-√3)(⅓+√3)</em>

1 X 1/3 = 1/3

1 X √3 = √3

-√3 X 1/3 =-√3/3

√3 X √3 = 3

hence, expanding the equation, we have

1/3 + √3 -√3/3 + 3

We can simply group the like terms and add them up.

[1/3 +3] +[√3-√3/3]

10/3 + \frac{2\sqrt{3} }{3}

= \frac{-8 +2\sqrt{3} }{3}

8 0
3 years ago
A model is 4.2 feet tall, the plywood used to make the model is 0.6 inch thick. How many sheets of plywood to make the model?
nadya68 [22]
Answer=84 sheets

4.2feet
1 foot=12 inches

4.2*12=<span>50.4inches

50.4/0.6=</span><span>84 sheets</span>
4 0
3 years ago
What is the value of a?
bearhunter [10]

Answer:

the second option : 5 1/3

Step-by-step explanation:

the height (h) in such a right-angled triangle is based on the 2 segments of the baseline : 3 and a

h = 4

the formula is h = sqrt(a×b)

with a and b being the baseline segments.

so,

4 = sqrt(3×a)

16 = 3×a

a = 16/3 = 5 1/3

8 0
2 years ago
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
Lady_Fox [76]

Answer:

D

Step-by-step explanation:

Growth rate is exponential, and rate is 100%

8 0
3 years ago
Read 2 more answers
Braniliest ASAP<br><br><br> thanks!
Leokris [45]
The answer that you are looking for is d
3 0
2 years ago
Read 2 more answers
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