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Mazyrski [523]
2 years ago
13

Help please ASAP !!!!! Due soon

Mathematics
1 answer:
Basile [38]2 years ago
8 0

Answer:

It is unequal because PEMDAS  states that exponents are above multiplication. In this case, it can be simplified to -1 * 7^2, which is -49.

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Create a proportion using the form = to represent the following word problem.
Anna11 [10]
Answer :
x = 53.85

Step by step explanation:
If 78% of x (some numbers) is equal to 42, then we must set this as an equation to find it.

1) Rewriting 78% as a fraction and considering that when we say 78% of some number (x) we mean a product.
78% = 78/100 ➡️ 78/100x = 42

2) Then we can go on :
100 * 78/100x = 42 * 100
78x = 4200
78x/78 = 4200/78 ➡️ x = 53.85

3) Alternatively, simply dividing 42 by 0.78 (78%) would come to the same result :

42/0.78 = 53.85
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