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Alekssandra [29.7K]
3 years ago
9

Is the ratio 4.2:1.5 proportional to the ratio 12.6:4.5

Mathematics
1 answer:
VashaNatasha [74]3 years ago
5 0
That's true they are proportional 
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Evaluate [16 ÷ (2 + 3 • 2)] + [4 • (36 – 25)]
maw [93]

Answer:

46

Step-by-step explanation:

There is an open + in the middle. It does not have any brackets around it. Therefore you do it at the very last.

Left side of the plus sign.

[16 ÷ (2 + 3*2)] Do the multiplication inside the parenthesis ( 2*3) first.

= [16 ÷ (2 + 6)] Add inside the parenthesis.

= [16 ÷ 8 ]         Do the division

= 2

Right side of the open plus sign

[4 * (36 - 25)]   Do the subtraction first.

[4 * 11 ]             Do the multiplication

44

Now combine both right and left side.

2 + 44

46

The answer is 46.

8 0
3 years ago
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natali 33 [55]
The answer is x = 2.5

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3 0
4 years ago
(-6+4)×-6 please can you help me​
8090 [49]

The answer is 12

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5 0
3 years ago
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Please help please please help me help please
Nataly_w [17]

Answer:

slope = -4

Step-by-step explanation:

rise/ run = 4/1, but slope always minus, so slope = -4

8 0
3 years ago
Solve this system of linear equations. Separate
sineoko [7]

Answer:

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second equation: 4 /3 y+ 11/ 3  (x), 3/4 x−11 /4

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