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arlik [135]
3 years ago
15

Aidan has four cards with +, –, ×, ÷ printed on them. He inserts them between the five numbers 5, 4, 3, 2 and 1 to form the expr

ession 5 + 4 × 3 – 2 ÷ 1, which has the value 15. Emma says: "Aidan put the operation cards in the order +, ×, –, ÷. If I place the operation cards in a different order between the numbers 5, 4, 3, 2, 1, I can make the value equal to 19." In what order did Emma place the four operations?
Mathematics
1 answer:
dlinn [17]3 years ago
5 0

Answer:

5 x 4 + 2 - 3 / 1

Step-by-step explanation:

This took me so much tries to do but got it. Hope it helps! :)

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Step-by-step explanation:

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inna [77]

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Step-by-step explanation:

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lukranit [14]

Answer:

5

Step-by-step explanation:

We are asked to find the value of A. We know from the question that we need to have the sum of -3x and (A)x equal the third term of the original polynomial, which is 2x. written out in an equation, it looks like this.

-3x+(A)x=2x

We can simplify the equation if we add 3x to both sides, which then leaves us with this.

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We can further simplify the equation by dividing both sides by x. This leaves us with our last equation for this problem.

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Finally, we have our answer. We can also verify that this is a valid integer by multiplying our, now completed, quotient by the divisor and adding the remainder, which in this case, our remainder is 0, so we will not be including it in our operation.

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If our calculations were all correct, the product of these polynomials should equal our dividend, verifying our integer is valid; lo' and behold, it is.

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8 0
3 years ago
Find a number if 10/9 of it is 10
grandymaker [24]

Answer:

ok

umm

so 11?

Step-by-step explanation:

:(

6 0
2 years ago
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PolarNik [594]

Answer:

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Step-by-step explanation:

Wherever you see an x on the right, put a 3 in for that x

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5 0
3 years ago
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