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ArbitrLikvidat [17]
3 years ago
6

Alex has three times as much as Jennifer. Jennifer has $12 less than Shannon. Together they have $91. How much money does Alex h

ave?
Mathematics
1 answer:
kirill115 [55]3 years ago
8 0
I believe the answer is 83.5 this may be wrong and if so I apologize in advance.
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The Venn diagram above represents the students who were sick one day in January at a Chicago high school. 80 students had only a
mrs_skeptik [129]

Answer:

370

Step-by-step explanation:

The venn diagram corresponds to students who were sick in January at a Chicago high school.

Students who had only fever= n(A) = 80

Students who had only headache= n(B) = 90

Students who had only cough  = n(C) =60

Students who had both cough and fever = n(AC) = 10

n(AB) = 40:n(BC) = 30  n(ABC) = 20

Hence total students = 800

no of students who were absent due to other reasons = 100

REmaining students = 700

Students who were sick = sum of all =330

So no of students who were at school = 700-330 = 370

5 0
3 years ago
Medical researchers have determined that for exercise to be beneficial, a person’s desirable heart rate, R, in beats per minute,
yan [13]

we are given with two equations: R=143-0.65a for women and R = 165-0.75a for men. In this prblem we are asked the age of a man when R is equal to 135. In this case, we use the second equation and substitute R with 135. In this case, 135 = 165 - 0.75 a; a is equal then to 40 yrs old. In 2, when x is equal to 4, then 0.5*4 + 3 is equal to 5. 
6 0
3 years ago
F(x) = x3 + 3x² - 4x
Nezavi [6.7K]

Answer:

x(x−1)(x+4)

Step-by-step explanation: there are no like terms

6 0
3 years ago
That is, what is the 142nd odd number?​
Kitty [74]

Answer and step-by-step explanation:

I believe it is 287. I am not entirely sure, but I believe that is the answer.

4 0
2 years ago
The 44 members of the glee club are trying to raise at least $6,000 so they can compete in the state championship. They already
Anna [14]

Answer:

x=44x(6,000)x1,210

Step-by-step explanation:

7 0
3 years ago
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