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Ymorist [56]
4 years ago
15

5 1/2 x 1 2/5 multiply fractions pls help

Mathematics
1 answer:
Stells [14]4 years ago
5 0

Answer:

51/2 x 12/5

Divide through 2 can go in 12 so we are left with 51 x 6/5 = 306/5

= 61.2

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sineoko [7]
103 or 135 I’m not really sure which one
4 0
3 years ago
Read 2 more answers
Is 5 1/4 / 3 1/2 the same as 3 1/2 / 5 1/4? Explain.
yan [13]

No it is not the same because you can not reverse division problems the same way you can with multiplication.

5 1/4 / 3 1/2 is asking how many times 3 1/2 can go into 5 1/4. The answer to this would be 1.5

3 1/2 / 5 1/4 is asking how many times 5 1/4 can go into 3 1/2. The answer to this would be .667

3 0
4 years ago
Solve the simultaneous equations<br> 2x+y=5<br> 5x+3y=12
Bezzdna [24]

Answer:

x=3 and y= -1

Step-by-step explanation:

Step 1: Solve2x+y=5 for y:

2x+y=5

2x+y+−2x=5+−2x(Add -2x to both sides)

y=−2x+5

Step 2: Substitute−2x+5foryin5x+3y=12:

5x+3y=12

5x+3(−2x+5)=12

−x+15=12(Simplify both sides of the equation)

−x+15+−15=12+−15(Add -15 to both sides)

(Divide both sides by -1)

x=3

Step 3: Substitute3forxiny=−2x+5:

y=−2x+5

y=(−2)(3)+5

y=−1(Simplify both sides of the equation)

Answer:

x=3 and y=−1

5 0
3 years ago
Which price choice is the lowest price per ounce? HELP! I HAVE 2 HRS TO GET CORRECT ANSWER!
mina [271]

Answer:

B

Step-by-step explanation:

15 divided by 2.49 equals 0.166 (Approximately 17 cents/oz) whilst 20 divided by 3.32 equals 0.111 (Approximately 11 cents/oz).

8 0
3 years ago
What value completes the y-column?
Levart [38]

Answer:

12

Step-by-step explanation:

We are given that the table shows a proportional relationship between x and y. This can be represented by the equation, y = mx. Where k is the constant of proportionality.

Using the first pair given, (4, 16), let's find k.

k = y/x = 16/4

k = 4

Substitute k = 4 into y = kx

We have,

y = 4x

To find the value that completes the y-column, plug in the value of x into y = 4x.

x is given as 3.

Thus:

y = 4(3)

y = 12

5 0
3 years ago
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