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ladessa [460]
3 years ago
15

WILL MARK BRAINLIEST!!!!!

Mathematics
1 answer:
STatiana [176]3 years ago
8 0

Answer:

A.) -5 1/6

Step-by-step explanation:

I have to assume that this is a mixed fraction meaning:

-2\frac{1}{6} -(-7\frac{1}{3})

First I will convert this mixed fractions into improper fractions to make the math easier:

\frac{(-2)(6)+1}{6}+\frac{(3)(7)+1}{3}

-\frac{13}{6} +\frac{22}{3}=\frac{(-13)(3)+(22)(6)}{(6)(3)}=\frac{-39+132}{18}=\frac{93}{18}=\frac{-31}{6}

How many times does 6 go into 31?  6x5=30 which leaves remainder 1 and so our answer will be -\frac{31}{6}= -5\frac{1}{6}

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A point in the figure is selected at random. Find the probability that the point will be in the part that is NOT shaded.
vitfil [10]

Answer:

About 20%

Step-by-step explanation:

The probability of a point on the un-shaded region will be given by;

Area of the shaded region/total area  

Considering that the circles are of the same size, then the length of the square is 2d

Area of the square = 4d²

Area of the shaded = (4d² -4π(d/2)²

= 4d² -πd², but π = 22/7

= 6/7d²

Probability = (6/7d² ÷ 4d²) × 100%

= (6/28 d²) × 100%

= 21.42 %

So your answer is B. 20%

Don't thank me this was easy.

3 0
3 years ago
HELP!! PLEASE?! Solve the equation and check the solution. 1/4(5x+2)-1/5(x+3)=2 what’s the solution set?
Tpy6a [65]

x=2 solved it by cross multiplying.


8 0
3 years ago
Ann and bill shared £440 in the ratio 9:2 Ann gives bill some of her money Bill now has the same amount as ann
Andreyy89

Answer:

Bill gave Ann £220

Step-by-step explanation:

plz mark brainliest :D

8 0
3 years ago
How many ways can 5 books be arranged on a shelf
Zielflug [23.3K]
There are very many ways to this!
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3 years ago
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Viefleur [7K]

Answer:

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Step-by-step explanation:

3*5a=15a

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=15a+12

3 0
3 years ago
Read 2 more answers
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