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Yuki888 [10]
2 years ago
14

Plz help what’s the answer

Mathematics
1 answer:
Maslowich2 years ago
8 0

Answer:

a. 192 b.60 c. 184, 164, 350

Step-by-step explanation:

a.Total of males=88+104

b.Female, Anaerobic=156-96

c. aerobic= 88+96=184

anaerobic=104+60

total=192+158

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Nadia is making a rectangular moisac out of 1/2 -inch by 1/2 -inch tiles. The rectangle is 12 inches long and 3 1/2 inches wide.
dimaraw [331]

Answer:

168

Step-by-step explanation:

GIVEN: Nadia is making a rectangular moisac out of \frac{1}{2} inch by \frac{1}{2} inch tiles. The rectangle is 12 inches long and 3\frac{1}{2} inches wide.

TO FIND: How many tiles will Nadia use to cover the rectangle completely.

SOLUTION:

Area of rectangular moisac=\text{length}\times\text{width}

                                            =12\times3\frac{1}{2}=\frac{12\times7}{2}

                                            =42 \text{ inch}^2

Area of one   tile =\text{side}^2

                           =\frac{1}{2}\times\frac{1}{2}=\frac{1}{4}\text{ inch}^2

According to question

Total tiles required =\frac{\text{Area of rectangular moisac}}{\text{Area of one tile}}

                                =\frac{42}{\frac{1}{4}}=42\times4

                                =168 tiles

Hence, 168 tiles are required to completely cover the rectangular moisac.

7 0
3 years ago
Davon is picking out some movies to rent, and he has narrowed down his selections to 4 children's movies, 3 documentaries, 6 com
earnstyle [38]

Answer:

220

Step-by-step explanation:

There are 6 comedies and 12 non-comedies.  He wants all 6 of the comedies, and 3 of the non-comedies.

The number of ways he can choose 6 comedies from 6 is ₆C₆ = 1.

The number of ways he can choose 3 non-comedies from 12 is ₁₂C₃ = 220.

So the total number of combinations is 1 × 220 = 220.

8 0
3 years ago
12 of a number b increased by 7
Lilit [14]

Answer:

12b+7

Step-by-step explanation:

there's 12 of b and it increases by 7

7 0
3 years ago
if a right triangle has lengths 99 inches, 101 inches and 20 inches, what is the length of the hypotenuse
Anna35 [415]

Answer:

The hypotenuse is 10201

Step-by-step explanation:

20^2+99^2=101^2

400+9801=10201

10201=10201

5 0
2 years ago
A survey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet,
lapo4ka [179]

Answer: 27.4 hours

Step-by-step explanation:

According to the given statement "A survey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, etc.)."

Since the word average is synonym of word mean.

Therefore, the sample mean must have the nearest value to the given average.

From the given options 27.4 is the nearest value to the average of 258.6.

Hence, the population mean = 27.4 hours.

3 0
3 years ago
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