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Marysya12 [62]
3 years ago
10

Write an algebraic expression for "12 less than the quotient of 12 and a number z."

Mathematics
2 answers:
tigry1 [53]3 years ago
8 0
12-(12 divided by z) make sure divided by is not in words :)hope it helped
Elden [556K]3 years ago
4 0

Answer:

Expression is 12 - \frac{12}{z}.

Step-by-step explanation:

Given  : "12 less than the quotient of 12 and a number z."

To find : Write an algebraic expression .

Solution : We have given 12 less than the quotient of 12 and a number z."

According to question :

Let the quotient = Q

quotient of 12 and a number z.

quotient = \frac{12}{z}[/tex]. 12 less than the quotient of 12 and a number z.12 - [tex]\frac{12}{z}.

Therefore, Expression is 12 - \frac{12}{z}.

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A lamina occupies the part of the disk x2 + y2 ≤ 4 in the first quadrant. Find the center of mass of the lamina if the density a
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Answer:sei

Step-by-step explanation:

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3 years ago
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4vir4ik [10]
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Mark tosses a coin 25 times. What is the probability that it lands on heads exactly seven times?
mezya [45]

Answer:

1.43%

Step-by-step explanation:

we have that we can solve it by means of binomial, in this case m = 25. Also the probability of head is 50%. we need to know when it falls 7 times, therefore x = 7

the formula is:

P (x) = mCx * p ^ x * q ^ (m-x)

we know that p is 0.5 therefore q is equal to 0.5, replacing:

P (7) = 25C7 * 0.5 ^ 7 * 0.5 ^ (25-7)

P (7) = 25! / (7! * (25-7)!) * 0.5 ^ 7 * 0.5 ^ (25-7)

P = 0.0143

that is, the probability is 1.43%

6 0
3 years ago
Sixty percent of the students at a certain school wear neither a ring nor a necklace. Twenty percent wear a ring and 30 percent
Reptile [31]

Answer:

0.4

Step-by-step explanation:

Given

60 % wear neither ring nor a necklace

20 % wear a ring

30 % wear necklace

This question can be Solved by using Venn diagram

If one person is choosen randomly  among the given student the probability that this student is wearing a ring or necklace is

P\left ( wear \ ring\ or \ necklace )+P\left ( neither\ ring\ or\ necklace)=1

P\left ( wear \ ring\ or\ necklace )=1-0.6=0.4

The sum of probabilty is equal to 1 because it completes the set

Therefore the required probabilty is 0.4

7 0
3 years ago
If g(x) = 3x + 1, evaluate g(-2).
zloy xaker [14]
G(x) = 3x + 1, evaluate g(-2).

Simply plug in (- 3) in g(x)

g(-2) = 3(-2) + 1

g(-2) = - 6 +1

g(-2) = - 5

4 0
3 years ago
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