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Triss [41]
3 years ago
15

I Need help please I only have a little bit of time

Mathematics
2 answers:
kvasek [131]3 years ago
6 0

Answer:

30

Step-by-step explanation:

if its asking for inches

Ratling [72]3 years ago
4 0
30 it asks for inches♥️
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Help Plzzzzzzzzzzzzzzzzzzz
svetlana [45]

Answer:

C

Step-by-step explanation:

"binomial" the operation between two terms (B or C)

"3rd degree binomial" the highest degree of the polynomial's monomials (individual terms) with non-zero coefficients have to be "3"

6 0
3 years ago
Choose one of the factors of x^3 + 343.
Debora [2.8K]

First, note that 343=7^3. Then use the formula for the sum of perfect cubes:

a^3+b^3=(a+b)(a^2-ab+b^2).

Therefore,

x^3 + 343=x^3+7^3=(x+7)(x^2-7x+49).

The quadratic trinomial x^2-7x+49 couldn't be factored anymore, so the expression x^3 + 343 has two factors x+7 and x^2-7x+49.

Answer: correct choice is A.

3 0
3 years ago
A marble is randomly selected from a bag. The probability of selecting a marble with dots on it is 0.2. The probability of selec
marin [14]

Answer:

0.5

Step-by-step explanation:

Let D be the event of selecting a marble with dots.

Let P be the event of selecting a purple marble.

The probability of selecting a marble with dots, P(D)=0.2

The probability of selecting a marble that is both purple and has dots, P(D \cap P)=0.1

We want to determine the probability of selecting a purple marble given that the marble has dots on it, P(P|D)

By the definition of conditional probability:

P(P|D)= \dfrac{P(P \cap D)}{P(D)} \\= \dfrac{0.1}{0.2}\\ =0.5

The probability of selecting a purple marble given that the marble has dots on it is 0.5.

4 0
3 years ago
Are these parallelograms or not?
Scrat [10]
Can’t see what you’re talking about
8 0
3 years ago
What is the slope of the line passing through the points (1, -5) and (4,1)
never [62]

The slope of the line passing through (1,-5) and (4,1) is 2

3 0
3 years ago
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