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beks73 [17]
3 years ago
6

Which of the following shows the graph 3x + 9y = 18?

Mathematics
1 answer:
RideAnS [48]3 years ago
3 0

Answer:

it's the 2nd or last one

Step-by-step explanation:

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For numbers 14a-14d , tell which expressions require you to rename mixed numbers before you can subtract. Find each difference.
ExtremeBDS [4]

Answer:

14b and 14d require renaming mixed numbers; 14a) 3 3/20; 14b) 2 1/8; 14c) 1 13/24; 14d) 3 3/6 = 3 1/2

Step-by-step explanation:

14a) First we find the least common denominator (LCD).  The first thing that both 5 and 4 will divide into is 20; this is our LCD.

It takes 4 5's to make 20; multiplying the numerator by 4, we have 5 8/20.  It takes 5 4's to make 20; multiplying the numerator by 5, we have 2 5/20.  Subtracting these,

5 8/20 - 2 5/20 = 3 3/20

14b) We must write the whole number 5 as a mixed number with a denominator of 8; 5 = 4 8/8.  This gives us

4 8/8 - 2 7/8 = 2 1/8

14c) The LCD of 3 and 8 is 24.  It takes 8 3's to make 24; multiplying the numerator by 8, we have 7 16/24.  It takes 3 8's to make 24; multiplying the numerator by 3, we have 6 3/24.  Subtracting we have

7 16/24 - 6 3/24 = 1 13/24.

14d) The LCD of 6 and 3 is 6.  Since the first mixed number has a denominator of 6, we leave it:  9 1/6.  It takes 2 3's to make 6; multiplying the numerator by 2, we have 5 4/6.  Subtracting we would have

9 1/6 - 5 4/6

We are subtracting a larger fraction from a smaller one.  This means we borrow a whole from the whole number, making it 8; this makes the fraction (6+1)/6 = 7/6.  This gives us

8 7/6 - 5 4/6 = 3 3/6 = 3 1/2

6 0
3 years ago
Read 2 more answers
Please answer I need help to pass
Goryan [66]

Answer:

the answer is A

5 0
3 years ago
What is the sum of 1/4-11/16
Elden [556K]
1/4-1/16=
=1*4/16 - 1*1/16
=4/16-1/16
=3/16
Or 1/8
3 0
2 years ago
Read 2 more answers
&lt;CAB=&lt;CDE,<br>AC=4cm, DC=5cm and<br>DE=7cm. Determine the<br>length of sides AB of<br>∆ABC.​
Degger [83]

this is the answer you can try it to see if it works

3 0
2 years ago
What must be the values of x in the expression 3×/y=4?​
kykrilka [37]
X=4y/3
hope that helps
4 0
2 years ago
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