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Julli [10]
3 years ago
7

Which best describes thepolynomial 7xy - 15y^3

Mathematics
1 answer:
otez555 [7]3 years ago
8 0

Answer:

Step-by-step explanThis polynomial has three terms. The first one is 4x2, the second is 6x, and the third is 5. The exponent of the first term is 2. The exponent of the second term is 1

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Which one is a quadratic function
erastova [34]

Answer:

Step-by-step explanation: A or the top answer choice. The highes exponent needs to be 2.

5 0
3 years ago
DONT ANSWER JUST TELL ME HOW TO DO IT!!!!! 15 POINTS!!! since there is two numbers infant of the parentheses which one do you di
oee [108]

Answer:

C. -n - 2

Step-by-step explanation:

Since there are no parenthesis for 3n + 2, you only distribute the 2 to (-2n - 1):

3n - 4n - 2

-n - 2

7 0
3 years ago
Read 2 more answers
A factory received a shipment of 11 hammers, and the vendor who sold the items knows there are 2 hammers in the shipment that ar
zhenek [66]

Question:

If a sample of 2 hammer is selected

(a) find the probability that all in the sample are defective.

(b) find the probability that none in the sample are defective.

Answer:

a Pr = \frac{2}{110}

b Pr = \frac{72}{110}

Step-by-step explanation:

Given

n = 11 --- hammers

r = 2 --- selection

This will be treated as selection without replacement. So, 1 will be subtracted from subsequent probabilities

Solving (a): Probability that both selection are defective.

For two selections, the probability that all are defective is:

Pr = P(D) * P(D)

Pr = \frac{2}{11} * \frac{2-1}{11-1}

Pr = \frac{2}{11} * \frac{1}{10}

Pr = \frac{2}{110}

Solving (b): Probability that none are defective.

The probability that a selection is not defective is:

P(D') = \frac{9}{11}

For two selections, the probability that all are not defective is:

Pr = P(D') * P(D')

Pr = \frac{9}{11} * \frac{9-1}{11-1}

Pr = \frac{9}{11} * \frac{8}{10}

Pr = \frac{72}{110}

8 0
3 years ago
4. Miguel is helping his mom paint his home. He finished 2 rooms in ⅓ of an hour. How many rooms can he paint in 1 hour?
lilavasa [31]

Answer: 6

Step-by-step explanation:

Let's use a rule of three here.

2 rooms in 1/3 h

x rooms in 1 h

\frac{2}{x}=\frac{\frac{1}{3} }{1}

Solve for x;

x=\frac{2*1}{\frac{1}{3} }

Remember that when you divide by a fraction, you invert the fraction and multiply by the numerator.

1/3 inverted is 3/1 or 3

x=(2*1)*3

x=(2)*3\\x=6

8 0
3 years ago
Solving Equations by Adding or Subtracting Fractions<br> Show all working<br> p- 538 = -1124
svetlana [45]

Answer:

-586

Step-by-step explanation:

Add 538 to both sides

p-538+538=-1124+538=

p=-1124-538

=-586

8 0
2 years ago
Read 2 more answers
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