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atroni [7]
2 years ago
7

The speed of object A is 1,500 mph faster than that of object B. If

Mathematics
2 answers:
Elena L [17]2 years ago
5 0

Answer:

2.42857142857

Step-by-step explanation:

11Alexandr11 [23.1K]2 years ago
4 0

Answer:

1564.42 mph

Step-by-step explanation:

Let a = Object A's speed

     b = Object B's speed

a = b + 1500

a/85000 = b/3500

Let's make subtract 1500 from both sides of the first equation

a = b + 1500

- 1500  - 1500

b = a - 1500

Cross multiply the second equation

3500a = 85000b

Plug in the new b into this new equation

3500a = 85000(a - 1500)

3500a = 85000a - 127500000

Subtract 3500a and 127500000 from both sides

3500a = 85000a - 127500000

- 3500a  - 3500a

0 = 81500a - 127500000

+ 127500000    + 127500000

127500000 = 81500a

Divide both sides by 81500

127500000/81500 = 81500a/81500

a = 1564.4171779141104

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Tell whether the two quantities vary directly. Explain your reasoning. The cafeteria provides three meals per day.
Dafna11 [192]

Answer:

The cafeteria provides three meals per day.

<u>Reason 1</u>

Yes, they vary directly  

As number of days increases ,Total number of meals i.e

1st day ⇒ 3

2nd day⇒6

3 rd day⇒9

4th day⇒12

......................

.........................

increases.

Total number of Meals = k×Number of days

But there is another possibility also

<u>Reason 2</u>

1 st day ⇒ 3

2nd day ⇒3

3rd day⇒ 3

.....................

.....................

As you can see from the above expression On each day number of meals is  

constant.

So we can say that ,

On each Day=Constant amount of meal=3

So, there is no Proportionality between Days and Meal.




3 0
3 years ago
Identify whether each variable is categorical or continuous.
balandron [24]

Answer:

u33u3373737

Step-by-step explanation:

hheeheheheheheheheheheehehehehebeheheheheheheheheehehe

3 0
3 years ago
Copy the table below onto your paper. Complete it then write an equation that relates x and y.
IRISSAK [1]
The equation is y = x - 3. just subtract 3 to get all of the blank spots.
5 0
3 years ago
What does the median represent in a set of numbers?
Alja [10]

Answer:

The median is the middle number in a sorted, ascending or descending, list of numbers and can be more descriptive of that data set than the average. The median is sometimes used as opposed to the mean when there are outliers in the sequence that might skew the average of the values.

Step-by-step explanation:

Hope this helps :)

5 0
3 years ago
Please help anyone thank you
Lesechka [4]
Plug in the values for x and y to check.

-6>8-10
-6>-2

Final answer: False
This is because -6<-2. Remember that for negative numbers, the number with the greater absolute value is less.
6 0
3 years ago
Read 2 more answers
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