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AnnyKZ [126]
3 years ago
7

A student is randomly selected from a class of 32 students. What is the probability that the selected student is a boy if there

are 20 girls in the class
Mathematics
1 answer:
NikAS [45]3 years ago
6 0

Answer:

Probability of selecting a boy will be: Number of boys/Total students= 12/32= 0.375

Step-by-step explanation:

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Wyatt offers 8 types of sandwiches and 4 types of tacos. He will increase his selection of sandwiches by 1 per month. He will in
Klio2033 [76]

Answer:

In 4 months Wyatt offer an equal number of sandwiches and tacos.

Step-by-step explanation:

We are given the following in the question:

Types of sandwiches = 8

Rate of increase of sandwich = 1 per month

Thus, number of sandwiches in x months will be given by

n_1(x) = 8 + x

Types of tacos = 4

Rate of increase of tacos sandwich = 2 per month

Thus, number of tacos in x months will be given by

n_2(x) = 4 + 2x

Equating the two equations, we get,

n_1(x) = n_2(x)\\8 + x = 4 + 2x\\\Rightarrow x = 4

Thus, in 4 months Wyatt offer an equal number of sandwiches and tacos.

4 0
3 years ago
Choose the expression that would equal the number of hours in the following question. If a car averages 50 1/3 miles per hour, h
Reika [66]
50 (1/3) mph
47 (1/2) = 47.5 mph

47.5 / 50 (1/3) = <span> <span> <span> 0.943708609271523 </span> </span> </span> hours

times 60 =
<span> <span> <span> 56.6225165563  </span> </span> </span> minutes =

56 minutes <span><span><span>37.3509933775 </span> seconds

</span></span>
6 0
3 years ago
Read 2 more answers
Question 1 Part A One of Maria and Josie’s early tasks is printing and laminating signs to hang at local businesses around town.
maks197457 [2]

Answer:

Using the table

Maria     does 1/4 of the job in 1 hour since it takes her 4 hours to complete the job  , she works x hours and completes x/4 of the task

Josie     does 1/2 of the job in 1 hour since it takes her 2 hours to complete the job  , she works x hours and completes x/2

x/4 + x/2 = 1 completed task

Multiply by 4

x/4 *4 + x/2*4 = 1*4

x+2x =4

3x=4

x = 4/3

x = 1 1/3 hours

5 0
3 years ago
Read 2 more answers
2. Select the situation below that result in zero. * 0 points A. A diver is at sea level, reaches a depth of 6 ½ feet and descen
Komok [63]

Answer: B and C only

Step-by-step explanation:

The temperature on a cold day starts at 0 degrees Celsius, falls 4 degrees, and rises 4 degrees

Initial temperature = 0

Temperature rise = 4

Fall in temperature = - 4

(Initial temperature + rise in temperature + fall in temperature)

Summing all : (0 + 4 - 4) = 0

carbon atom has 6 negatively charged electrons and 6 positively charged protons.

Net charge of atom :

(number of proton + number of electrons)

( 6 + (-6)) = 0

8 0
3 years ago
8.1 Tangent Lines find the side of of triangle KLJ
Stells [14]

Answer:

x=12

Step-by-step explanation:

tangent forms 90° with the touch point at circle

(x+8)^2 = 256+x^2

x^2 + 16x + 64 = 256 + x^2

16x = 192

x= 12

8 0
2 years ago
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