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Goryan [66]
3 years ago
6

In Hillsboro's wig shop, 1/2 of the wigs are blonde and 1/12 of the wigs are brunette. What fraction of the wigs are either blon

de or brunette?
Mathematics
1 answer:
ella [17]3 years ago
3 0

Answer:

7/12

Step-by-step explanation:

So, the probability of picking up a blonde wig = 1/2

The probabiliy of picking up a brunette wig = 1/12

The question asks to find th eprobability of picking up either of these types of wigs =

1/2 + 1/12

= 6/12 + 1/12 ( LCM of 12 and 1 is 12 )

= 7/12

Hope this helps

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Tommy wished he practiced more before his violin concert. If he had practiced 1 1/2 more hours one week, he would have averaged
Nimfa-mama [501]

Answer:

30.5 hours

Step-by-step explanation:

If he were to average 8 hours PER week for 4 weeks, his total sum would have been:

8 * 4 = 32 hours

But he fell short of it. By how much?

By 1\frac{1}{2} hours!

So, he practiced 1  1/2 hours LESS THAN 32 hours, so his practice time is:

32-1\frac{1}{2}\\=32-1.5\\=30.5\\=30\frac{1}{2}

So, <u>he practiced 30.5 hours in the 4 weeks</u>

8 0
3 years ago
The volume of cylinder is 448 pie cm cube and height 7 cm find its radius<br>​
Verizon [17]

<u>Answer:</u>

r =\bf 8 \space\ cm

<u>Step-by-step explanation:</u>

The formula for volume of a cylinder is as follows:

\boxed{Volume = \pi r^2 h}

where:

• r = radius (? cm)

• h = height (7 cm).

Substituting the values into the formula:
448 \pi  = \pi \times r^2 \times 7

Now solve for r:

⇒ r^2 = \frac{448 \pi }{\pi \times 7}

⇒ r = \sqrt{64}

⇒ r =\bf 8 \space\ cm

8 0
2 years ago
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Bridget drives at a speed of 60 miles per hour. How long will it take to drive 270 miles?
Mademuasel [1]

Answer:

4 hours and 30 minutes.

Step-by-step explanation:

270÷60=4.5

3 0
3 years ago
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Type the expression that results from the following series of steps:
Sergio039 [100]

Answer:

n+5×4-7

Step-by-step explanation:

6 0
2 years ago
How do you solve this? 18 " n=21
dalvyx [7]
18 ^{n} =21

log(18) ^{n}=log(21)

n*log(18)=log(21)

n= \frac{log(21)}{log(18)}

n=1.053
6 0
3 years ago
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