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slamgirl [31]
3 years ago
15

12 times 13 equals what

Mathematics
2 answers:
Inessa [10]3 years ago
7 0
It equal 156. hope it helps
padilas [110]3 years ago
5 0
12 times 13 equals 156
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In a freshman class of 80 students,22 students take Consumer Education,20 students take French,and 4 students take both.Which eq
MAXImum [283]
<h3>Answer: Choice C</h3>

P = 11/40 + 1/4 - 1/20

=========================================================

Explanation:

The formula we use is

P(A or B) = P(A) + P(B) - P(A and B)

In this case,

  • P(A) = 22/80 = 11/40 = probability of picking someone from consumer education
  • P(B) = 20/80 = 1/4 = probability of picking someone taking French
  • P(A and B) = 4/80 = 1/20 = probability of picking someone taking both classes

So,

P(A or B) = P(A) + P(B) - P(A and B)

P(A or B) = 11/40 + 1/4 - 1/20

which is why choice C is the answer

----------------

Note: P(A and B) = 1/20 which is nonzero, so events A and B are not mutually exclusive.

6 0
3 years ago
What is a coterminal angles
navik [9.2K]

Answer: Coterminal Angles are angles who share the same initial side and terminal sides. Finding coterminal angles is as simple as adding or subtracting 360° or 2π to each angle, depending on whether the given angle is in degrees or radians.

6 0
3 years ago
A sphere has a radius of 7.5 centimeters. To the nearest cubic centimeter, what is the volume of the sphere?
Naya [18.7K]

Volume of sphere = 1766.25 cm^3

Step-by-step explanation:

The radius of sphere = 7.5 cm

Volume of sphere = ?

The formula used is:

Volume= \frac{4}{3}\pi r^3

Putting values:

Volume= \frac{4}{3}\pi r^3\\Volume=\frac{4}{3}*3.14* (7.5)^3\\Volume= 1766.25\,\,\,cm^3

So, Volume of sphere = 1766.25 cm^3

Keywords:  Volume of sphere

Learn more about  Volume of sphere at:

  • brainly.com/question/12497249
  • brainly.com/question/6443737
  • brainly.com/question/4054269

#learnwithBrainly

4 0
3 years ago
PLS HELP DUE IN 1 HOUR WILL GIVE BRAINLIEST 5 STARS AND A THANKSSSS
Assoli18 [71]

Answer:

x=5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A scientist has two solution which she labelled, solution A and solution B, each continue salt,she knows that solution A is 65%
Lorico [155]
A = oz of the solution A

b = oz of the solution B



The scientist knows that solution A is 45% salt and solution B is 95% salt. She wants to obtain 80 ounces of a mixture that is 65% salt.



a + b = 80



0.45a + 0.95b = 0.65*80



by solving the above system of equations you'll find····



a = 48 oz



b = 32 oz

~I hope this helped~

If it doesn't make since, I can try to switch up the wording ^^

7 0
3 years ago
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