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Sidana [21]
2 years ago
14

If 7 4/5 is added to 2 3/4 , what is the sum?​

Mathematics
2 answers:
Rufina [12.5K]2 years ago
8 0
The answer would be 10 11/20 or 10.55 in decimal form
murzikaleks [220]2 years ago
4 0

Answer: 9 7/20

Step-by-step explanation:

7 4/5 + 2 3/4

Multiply the Denominators = 20

Add Numerators = 7

Add Whole Numbers = 9

Answer 9 7/20

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Answer:

b

Step-by-step explanation:

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3 years ago
Cole got 100 for his birthday. He can either save the money or buy a tennis racket with it. What is the opportunity cost if he b
hodyreva [135]
Cole can learn how to play tennis. But if he saved the money, he can save up and get something bigger, or save up for college. There is only so much he can do with a tennis racket except for using it to learn a new sport.
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3 years ago
Morgan's grandmother orders her groceries online and has them delivered to her house.
kotykmax [81]

Answer: The total price of the groceries, including discount and tips $110.4

Step-by-step explanation:

6 0
3 years ago
Which of the following rules could represent the function shown in the table?
kvasek [131]
ANSWER

The rule is given by the relation,

y = 2x + 1


EXPLANATION

We need to check and see if there is a constant difference between the y-values.


1 -  - 1 = 2 = 3 - 1


We can see that, there is a constant difference of 2.

This means that the table represents a linear relationship.


Let the rule be of the form,
y = mx + c


Then the points in the table should satisfy the above rule.


So let us plug in


(0,1)


This implies that,


1 =m (0) + c


1 = 0 + c


c = 1



Our rule now becomes,


y = mx + 1 -  - (1)


We again plug in another point say, (-1,-1) in to equation (1) to get,



- 1 = m( - 1)   + 1

we solve for m now to obtain,

- m=-1-1


- m =  - 2


m = 2
We now substitute back in to equation (1) to get

y = 2x  + 1
5 0
3 years ago
Read 2 more answers
The Chang family is on their way home from a cross-country road trip. During the trip, the function D(t)=3260−55t can be used to
Maksim231197 [3]

Considering the given function, we have that:

a) D(12) = 2600, which means that after 12 hours of driving, the family is 2600 miles from home.

b) D(t) = 2490 when t = 14, which means that the family is 2490 miles from home after 14 hours of driving.

<h3>What is the function in this problem?</h3>

The distance that the family is from home, after t hours of driving, is given by:

D(t) = 3260 - 55t.

Then, after 12 hours, the distance is given by D(12), that is:

D(12) = 3260 - 55 x 12 = 2600.

D(12) = 2600, which means that after 12 hours of driving, the family is 2600 miles from home.

D(t)=2490, hence:

3260 - 55t = 2490

55t = 770

t = 770/55

t = 14

D(t) = 2490 when t = 14, which means that the family is 2490 miles from home after 14 hours of driving.

More can be learned about functions at brainly.com/question/25537936

#SPJ1

4 0
2 years ago
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