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egoroff_w [7]
3 years ago
14

Why is it helpful to write a number as a product of primes?

Mathematics
1 answer:
exis [7]3 years ago
4 0
Im so sorry but i am not into that:(

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Which polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n
MaRussiya [10]

Answer:

-6m^{6}+n^{6}+7mn^{5}+14m^{2}n^{4}-5m^{3}n^{3}

Step-by-step explanation:

given polynomial is:

8mn^{5}-2m^{6}+5m^{2}n^{4}-m^{3}n^{3}+n^{6}-4m^{6}+9m^{2}n^{4}- mn^{5}-4m^{3}n^{3}

write similar terms together,

-2m^{6}-4m^{6}+n^{6}+8mn^{5}-mn^{5}+5m^{2}n^{4}+9m^{2}n^{4}-m^{3}n^{3}-4m^{3}n^{3}

-6m^{6}+n^{6}+7mn^{5}+14m^{2}n^{4}-5m^{3}n^{3}

Hence, polynomial in standard form -6m^{6}+n^{6}+7mn^{5}+14m^{2}n^{4}-5m^{3}n^{3}

8 0
3 years ago
Mary has a collection of nickels and quarters for a total value of 4.90.if she has 42 coins total how many of each kind are ther
Ray Of Light [21]

Let x be the number of nickels and y be the number of quarters.

Then, x + y = 42 --- (1)

It is given that total value = 4.90.

Therefore, 0.05x + 0.25y = 4.9 --- (2)

Multiply (1) by 0.25

0.25x + 0.25y = 10.5 --- (3)

Now, subtract (2) from (3), we get,

0.2x = 5.6

Divide both sides by 0.2.

x = 28

x + y = 42

y = 42 - x

= 42 - 28

= 14

Hence, Mary has 28 nickels and 14 quarters in total.

7 0
3 years ago
A $329.50 gaming system goes on sale for 60% off. You have a coupon for an additional 40%
Andreyy89

Answer:

no

Step-by-step explanation:

no because if you multiply $329.50 by .6 you get $197.7, then with the additional 40% (.4) you end up having to pay $79.08

8 0
3 years ago
Simplify the following:
Charra [1.4K]
1) 4x + 5
2) 14w2 - 4w
3) -x + 19
4) 19x - 16
5) -x2 - x
6) 11a2b - 12ab2
5 0
3 years ago
How do you do this ?
oksian1 [2.3K]
So the 3x means three times then u multiply by three
7 0
3 years ago
Read 2 more answers
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