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Lady_Fox [76]
3 years ago
15

1. The cafeteria manager at a middle school wanted to keep track of how many student breakfast and lunches were sold on a Monday

.
A
B <
C
D

2. The following information matrices show the number of breakfasts & lunches sold at a little creek middle school on Monday and the prices of breakfast and lunch
A
B
C
D

3. The following information matrices shows how many of each vehicle type sold and the bonus amount each salesperson receives for selling that type of vehicle for the car dealership for the week.
A
B
C
D (each sold the same number of vehicles) <

4. Consider the following information matrices for the price of clothing at a clothing store
A
B
C
D

5. a movie theater marks up tickets by 10%. use a scalar product to find the marked-up prices. which matrix operation correctly represents this below?
A
B
C
D

Mathematics
1 answer:
lianna [129]3 years ago
6 0

I know for a fact that 1, 2 and 4 are correct. I'm almost positive 3 and 5 are right too

1. B

2.D

3.D

4.B

5.D

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two cars travel at same speed to different destinations. car A reaches its destination in 24 minutes. car B reaches its destinat
Harlamova29_29 [7]

Answer:

The speeds of the cars is: 0.625 miles/minute

Step-by-step explanation:

We use systems of equations in two variables to solve this problem.

Recall that the definition of speed (v) is the quotient of the distance traveled divided the time it took : v=\frac{distance}{time}. Notice as well that the speed of both cars is the same, but their times are different because they covered different distances. So if we find the distances they covered, we can easily find what their speed was.

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Now we write a similar equation for car B which travels 5 miles further than car A and does it in 32 minutes:

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So this is the speed of both cars: 0.625 miles/minute

3 0
3 years ago
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