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antiseptic1488 [7]
2 years ago
5

7. Which relations represent a function? Place a checkmark in the box for all that apply.

Mathematics
1 answer:
atroni [7]2 years ago
5 0

Answer:

Step-by-step explanation:

The relation in the picture is a function

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One apple and three oranges cost $5.10 and another 5 oranges and one Apple cost $7.50 what is the price of one apple and one ora
alekssr [168]

Answer:

$2.7

Step-by-step explanation:

Let the price of one apple be x

and the price of one orange y

Hence ;

One apple and 3 oranges would cost:

x + 3×y = $5.10----------------------------(1)

One apple and 5 oranges would cost;

x + 5×y = $7.50--------------------------(2)

Subtracting eqn (1) from (2), we have :

x-x + 5y -3y = 7.5- 5.1

2y = 2.4

y = $1.2

From eqn(1)

x + 3y = $5.10

x= $5.10-3($1.2) = $5.10-$3.6 = $1.5

Hence x=$1.5 and y= $1.2

We are required to find the cost of one apple and one orange, hence :

x+y = $1.5+$1.2= $2.7

4 0
3 years ago
Helppppppp
Yakvenalex [24]

Answer:

7 -if rounded to the nearest tenth would be 10

Step-by-step explanation:

The median is the number in the middle so

6-6-7-7-10-12-14

There are 7 numbers here so the middle number is 4 because there are 3 numbers before 4 and 3 numbers after 3 to get to 7 (that’s really hard to explain sorry but it’s a simple concept) my trick is to write it down then use two fingers to point at the first and last number and keep doing that moving in til I get to the middle number, which is 7. :)

6 0
3 years ago
On her pogo stick lula made 24 hops in 30 seconds at this rate how many hops in 50 seconds
Lorico [155]
44 hops in 50 seconds
4 0
3 years ago
Read 2 more answers
Hi what is 398÷45. ​
EleoNora [17]

Answer:

8.84444444444

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
5400÷90=540 tens÷9 tens
solniwko [45]
Hmmm, I'm guessing your asking if that's correct, if so, yes
8 0
3 years ago
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