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laiz [17]
3 years ago
8

Carlos took a total of 8 quizzes over the course of 4

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
3 0

Answer:

the answer is 14

Step-by-step

multiply 2x7

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Y varies jointly as x, z, and w. when x=2, z=1, and w=12, then y=72. find y when x=1, z=2, and w=3
son4ous [18]
ANSWER: 18


EXPLANATION:

y=kxzw

where k is a constant
Making k the subject of the formula, we have

k=y/xzw

Inputting the values

k= 72/(2)(1)(12)

k=72/24

k = 3

Solving for y when x=1,z=2 and w=3

We have


y=kxzw

y = (3)(1)(2)(3)

y = 18
7 0
2 years ago
This is number three Nd I neeed help with this I can help you with anything
KATRIN_1 [288]

Answer:

a. False

b. False

c. True

d. True

e. True

5 0
3 years ago
Paul's car is 18 feet Long he is making a model of his car that is 1/8 the actual size what is the length of the model
sweet [91]
The answer is... 2 1/4 feet long
6 0
3 years ago
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Allisa [31]
I’m right here……………….
4 0
3 years ago
The time it takes a student to walk from the dorm to the chemistry lab follows roughly a Normaldistribution with a mean of 20 mi
creativ13 [48]

Answer:

95.15%

Step-by-step explanation:

We have that the mean (m) is equal to 20, the standard deviation (sd) 3

They ask us for P (x <25)

For this, the first thing is to calculate z, which is given by the following equation:

z = (x - m) / sd

We have all these values, replacing we have:

z = (25 - 20) / (3)

z = 1.66

With the normal distribution table (attached), we have that at that value, the probability is:

P (z <1.66) = 0.9515

Which means that the probability that it arrives before 25 minutes is 95.15%

6 0
3 years ago
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