3 years ago

10.51 less than the product of 42 and x to

Mathematics

1 answer:

vova2212 [387]3 years ago

7 0

Answer:

Step-by-step explanation:

42x - 10.51 cannot be answered

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Peter was given 40 words to spell to qualify for a prize. He must spell at least 90% of those words correctly. At least how many

AnnZ [28]

Answer:

He should have to spell at least 36 of these words correctly.

Step-by-step explanation:

40 words.

He must spell at least 90% of those words correctly.

At least how many words should he have to spell correctly to get the prize?

90% of 40. So

0.9*40 = 4*9 = 36

He should have to spell at least 36 of these words correctly.

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3 years ago

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svetoff [14.1K]

Answer:

the answer is 168

Step-by-step explanation:

you multiply with by length and you get 168.

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maw [93]

What you typped is correct

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3 years ago

Mathswatch: Factorise x^2-42^2

marta [7]

Answer:

$x^{2} -1764$

Step-by-step explanation:

1) Evaluate the exponent:

$x^{2} -1*42^2\\x^{2} -1*1764$

2) Multiply the numbers:

$x^{2} -1*1764\\x^{2} -1764$

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3 years ago

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mel-nik [20]

Answer:

A.20%

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