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wlad13 [49]
3 years ago
5

412 students were surveyed about their preferences of sports. 115 students like football, 100 students like baseball, and 45 stu

dents like both sports. how many students like exactly one of the two sports?
Mathematics
1 answer:
Dimas [21]3 years ago
4 0
There are 3 sports not two

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The graph below shows the hours students spent studying and their language arts test scores.
Alexandra [31]

Answer:

correct answer is 40

Step-by-step explanation:

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3 years ago
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Inez has saved $5. She doubles the amount she saves each week. Does this represent an exponential function?
lozanna [386]
Yes it is because the value is constantly raising.
4 0
3 years ago
Use the following information for questions 1 through 6. The dietitian at a camp is planning breakfast for the first day of camp
Dima020 [189]

Answer:

Let x and y be the pieces of toast and sausage required.

Then the objective function is

Min Z=0.04x+0.08y

Constraints:

Vitamin A, 2x+4y≥20

Vitamin B, 3x+1.5y≥15

Iron, 2x+2y≥16

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The non-negative constraints are x≥0, y≥0

Thus, the linear programming model is

Min Z=0.04x+0.08y

Subject to,

2x+4y≥20

3x+1.5y≥15

2x+2y≥16

y≤4

x≥0, y≥0

1) There are two variables in the LP model. So, option (B) is correct.

2) The LP model contains four constraints (excluding the non negative constraints). So, option (D) is correct.

3) Solving the LP model using a software, we get the solution as

z=0.4, at x=6 and y=2

So, The cost of the breakfast is $ 0.4. Option (B) is correct.

4) The breakfast should contains 6 toasts.

5) The amount of Vitamin B in the breakfast = 3(6)+1.5(2)=18+3=21 milligrams. So, option (C) is correct.

6) The amount of Iron in the breakfast= 2(6)+2(2)=12+4=16 milligrams. So, option (B) is correct.

Step-by-step explanation:

4 0
3 years ago
Sonny's band rehearsal started at 10:30 A.M. It ended 1 hour and 40 minutes later. At what time did Maya's band rehearsal end?
Alecsey [184]

Answer:

12:10

Step-by-step explanation:

...

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3 years ago
PLEASEEE HELPPPP
kotykmax [81]
The answer is use the perpendicular bisectors to find the center of the circle.
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