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Ann [662]
3 years ago
13

Solve: 13/19 - (-1/19) A. -12/19 B. -14/19 C. 14/19 D. 12/19

Mathematics
2 answers:
wel3 years ago
7 0

Answer:

C

Step-by-step explanation:Any time you have a subtraction and a negitive right next to eachother, it means to add. So, you would add 13 and 1 to get 14, then keep the denominator 19 to get 14/19.

yarga [219]3 years ago
3 0

Answer:

c.14/19

Step-by-step explanation:

because math exists

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4 years ago
I need help answering questions like this can someone help
Leviafan [203]

Answer:

300 in.³

Step-by-step explanation:

We find the volume of 1 prism and multiply it by 2.

V = BH

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V = ½bh × H

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4 0
3 years ago
What is the 5th term of the expansion of (3x+y^4)^7
chubhunter [2.5K]

9514 1404 393

Answer:

  945x^3·y^16

Step-by-step explanation:

The 5th term will be ...

  C(7,4)(3x)^3(y^4)^4 = 35·27·x^3·y^(4·4)

  = 945x^3·y^16

_____

The coefficients of the expansion are C(n, k) where n is the exponent of the binomial, and k+1 is the term number. This is n!/(k!(n-k)!). The general (k-th) term of the expansion (a+b)^n is C(n, k)a^(n-k)b^(k) where k ranges from 0 to n.

8 0
3 years ago
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iragen [17]

Answer: I can’t see the numbers dude.

Step-by-step explanation:

Sorry

4 0
3 years ago
Read 2 more answers
C(x)=2x^3+3x^2-1 find rational zeros
3241004551 [841]

Answer:

1/2

Step-by-step explanation:

The Rational Root Theorem says that any rational root has

1. a numerator that is a factor of the constant term

2. a denominator that is a factor of the leading coefficient (that's attached to the highest-power term)

Numerator:  \pm 1

Denominator: \pm 2

That means there are only two possible rational roots: \pm \frac{1}{2}

Try them both by plugging them into the polynomial.

2\left(\frac{1}{2}\right)^3 + 3\left(\frac{1}{2}\right)^2 -1= \frac{1}{4}+\frac{3}{4}-1 =0

Aha!  The negative one-half value does not produce 0

3 0
3 years ago
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