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AysviL [449]
3 years ago
7

By how much is the product of 2 1/2 and 2/5 less than 4​

Mathematics
1 answer:
masya89 [10]3 years ago
7 0

Answer:

3

Step-by-step explanation:

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What number would be added to both sides in order to complete the square when solving x^2+8x=9?
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You can figure this out if you just look at (x+a)^2 = x^2 + 2ax + a^2. See, the constant term, a^2, is the coefficient of x (2a), divided by 2 (2a/2=a), and then squared (a^2) 

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What is 7.25 in expanded form?
Assoli18 [71]

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B(x) is the function that multiplies the input by 100 and then subtracts 5
Tanzania [10]

Answer:

B(x) = 100x - 5

Step-by-step explanation:

Required

Determine the formula of B(x)

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Taking the instructions in the question 1 at a time:

<em>Multiplies the input by 100: </em>100 * x = 100x<em></em>

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3 years ago
Nia has number cards for 2 3 8 9 and 5 what are the different ways Nia can arrange the cards to show only even numbers with the
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Answer:

23958, 23598, 25938, 25398, 29358, 29538....

Step-by-step explanation:

We have given the number cards for for 2 3 8 9 and 5. We have to find the different  ways Nia can arrange the cards to show only even numbers with the 2 in the ten thousands place.

The number should be even numbers with two in the ten-thousand places.

Only 8 is left as an even number. So 8 would be at the one's place.

In the ten-thousand places, arrange the three digits 3,9 and 5 in the middle.

So there are 3*2=6 ways to arrange the  middle three digits in the ten-thousand places.  

23958, 23598, 25938, 25398, 29358, 29538....

5 0
3 years ago
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