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Afina-wow [57]
3 years ago
12

PLSSS HELPPPPPPP CORRECT ANSWERS PLSSSS

Mathematics
2 answers:
Crank3 years ago
8 0

Answer:

-4.  (x+4)(x-4)

Step-by-step explanation:

Sidana [21]3 years ago
5 0

Answer:

-4  x+4 x-4

Step-by-step explanation:

CHARGE YOUR PHONE

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Which is true about the degree of the sum and difference of the polynomials 3x5y – 2x3y4 – 7xy3 and –8x5y + 2x3y4 + xy3?
Alekssandra [29.7K]
<span>First we have to find the sum and the difference of those polynomials- The sum is: ( 3 x^5y - 2 x^3y^4 - 7 xy^3 ) + ( - 8 x^5y + 2 x^3y^4 + xy^3 ) = 3 x^5 - 2 x^3y^4 - 7xy^3 - 8 x^5y + 2 x^3y^4 + xy^3 = - 5 x^5y - 6 xy^3. And the difference: ( 3 x^5y - 2 x^3y^4 - 7 xy^3 ) - ( - 8 x^5y + 2 x^3y^4 + xy^3 ) = 3 x^5y - 2 x^3y^4 - 7 xy^3 + 8 xy^5 - 2 x^3y^4 - xy^3 = 11 xy^5 - 4 x^3y^4 - 8xy^3. The highest exponent in both polynomials is 5. Answer: The degree of the polynomials is 5.</span>
7 0
3 years ago
Read 2 more answers
Find what w equals<br><br> 4(3w+5)−2w=70
Luba_88 [7]
4(3w+5)-2w=70
10w+20=70
10w+20-20=70-20
10w=50
10w/10=50/10
w=5
8 0
3 years ago
Read 2 more answers
What is the value of the expression 4.8x 10^9 / 1.6x 10^3
SVEN [57.7K]

Answer:

3*10^3

Step-by-step explanation:

4.8(10^9)/1.6(10^3)

we can split this equation into

4.8/1.6 * 10^9/10^3

= 3*10^3

8 0
3 years ago
A bag contains 22 coins consisting of quarters and nickels. The total value of the coins is $3.90. How many nickels are in the b
bezimeni [28]

Answer:

8 Nickels

Step-by-step explanation:

Since a Nickel is worth 5 cents ($0.05)

And a Quarter is worth 25 ($0.25)

and theres 22 coins

8 of those coins would be nickels which would mean we add 8 nickels up

8 x 0.05 = 0.4

then we add the quarters up

14 x 0.25 = 3.5

3.5 + 0.4 = $3.90

8 0
3 years ago
If a and b are two distinct primes, the ab2 has ___ positive divisors.
Licemer1 [7]

The number ab², where a and b are prime numbers, has 6 divisors.

<h3>How many divisors are for the given expression?</h3>

Remember that any number can be written as a product of primes, for example, 15 can be written as:

15 = 3*5

Where 3 and 5 are primes.

Such that the divisors of 15 are the factors made with the primes on the right side.

So for the number:

N = a*b^2 = a*b*b

The divisors are:

a, b, a*b, b*b

And trivially, itself and 1, so there are a total of 6 divisors.

If you want to learn more about divisors.

brainly.com/question/629998

#SPJ1

7 0
2 years ago
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