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alisha [4.7K]
3 years ago
6

(2x)(x2) + (2x)(x) + (2x)(–2) + (3)(x2) + (3)(x) + (3)(–2) Which is the simplified product?

Mathematics
1 answer:
mestny [16]3 years ago
4 0

Answer:

6x^2+5x-6

Step-by-step explanation:

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Select the quadratic that has roots x = 8 and x = -5.
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\text{ The roots  are}~ \alpha = 8~ \text{and}~ \beta = -5\\\\\text{Equation for the given roots,}\\\\x^2 -(\alpha +\beta )x +\alpha \beta = 0\\\\\implies x^2 -(8-5)x + 8(-5)=0\\\\\implies x^2 -3x -40=0\\\\\text{Hence, the answer is option B}

6 0
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Plz help!!! I’ll give 10 points to the first person to give me a correct answer...I need to get my grade up before the end of th
Lilit [14]

Answer:

A= 30

B= 60

C= 90

Step-by-step explanation:

A is already shown.

B has a right angle making it 90 degrees.

A triangle is 180 degrees 30+90= 120

180-120=60

3 0
2 years ago
Juan texts 20 messages in 5 minutes. At this rate how many text messages can he send in 30 minutes
pochemuha
<h2>Answer:</h2>

The answer 120 MESSAGES

4 0
2 years ago
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According to the National Telecommunication and Information Administration, 56.5% of U.S. households owned a computer in 2001. W
Liono4ka [1.6K]

Answer:

Step-by-step explanation:

Assuming a binomial distribution for the number of U.S. households that owned a computer in 2001. The formula for binomial distribution is expressed as

P(X = r) = nCr × q^(n - r) × p^r

Where

p = probability of success

q = probability of failure

n = number of sample

From the information given,

p = 56.5% = 56.5/190 = 0.565

q = 1 - p = 1 - 0.565 = 0.435

n = 3

We want to determine P(x greater than or equal to 1). This is also expressed as

1 - P(x lesser than or equal to 1)

P(x lesser than or equal to 1) = P(x = 0) + P(x =1)

P(x = 0) = 3C0 × 0.435^(3 - 0) × 0.565^0 = 0.082

P(x = 1) = 3C1 × 0.435^(3 - 1) × 0.565^1 = 0.32

P(x greater than or equal to 1) = 0.082 + 0.32 = 0.402

6 0
3 years ago
Maya earns 72 dollars for working 5 hours. How long will it take for her to earn 216 dollars at the same pay rate?
hjlf

Answer:

15


Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
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