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3 years ago

Please help!!!!! 10 Points!! (i only have 23)

Mathematics

1 answer:

Ivan3 years ago

6 0

The answers are going to be: D & E

Explanation:
Any number that was multiplied by less then one is going to be your answer. :)

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A clothing company buys t-shirts for $10 and sells them for $100. What is the percentage mark up on

Mice21 [21]

Answer:

900%

Step-by-step explanation:

Starting price : 10

End price: 100

100-10 = 90

90/10 = 9 = 900%

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2 years ago

Which of the following best describes the graph shown below?

Valentin [98]

A -------------------------------------

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3 years ago

Read 2 more answers

3w-17= -2 help me get the answer. An solve for w

Dominik [7]

3w=-2+17
3w=15
w=15/3
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5 0

3 years ago

Read 2 more answers

Hi, can someone help with these two questions ASAP! (Ignore the multiple choice I circled, not sure if it’s correct)

Sindrei [870]

Answer:

1) D. $y = -\frac{3}{2}\cdot x^{12} -7\cdot x^{5}+\frac{2}{3}\cdot x -10$

2) E. The coefficient of $x$ is -16.

Step-by-step explanation:

1) A polynomial is an algebraic expression of the form $p(x) = \Sigma \limits_{i = 0}^{n} c_{i}\cdot x^{i}$ , where $n$ is the grade of the polynomial. In this case, the only equation that satisfies this definition is:

$y = -\frac{3}{2}\cdot x^{12} -7\cdot x^{5}+\frac{2}{3}\cdot x -10$

Correct answer: D

2) Let $p(x) = (2\cdot x + 1) \cdot (5\cdot x^{3}-8\cdot x +4)$ , we proceed to expand the expression by algebraic means:

$p(x) = (2\cdot x + 1)\cdot (5\cdot x^{3}) -(2\cdot x +1)\cdot (8\cdot x) + 4\cdot (2\cdot x + 1)$

$p(x) = 10\cdot x^{4}+5\cdot x^{3}-16\cdot x^{2}+4$

We see that coefficients for $x^{2}$ and $x$ are -16 and 0, respectively. Hence, the incorrect answer is E.

3 0

3 years ago

You roll a pair of six-sided number cubes, numbered 1 through 6. What is the probability of rolling two odd numbers? (Enter your

lbvjy [14]

Answer:

1/4 or 25%

Step-by-step explanation:

The probability for rolling an odd number is 50% or $\frac{1}{2}$ because there are 3 odd numbers, (1, 3, 5) and 6 total outcomes (1, 2, 3, 4, 5, 6). $\frac{3}{6} =\frac{1}{2}$

The probability for rolling two odd numbers in a row is

$\frac{1}{2} *\frac{1}{2} =\frac{1}{4}$

So, the probability of rolling an odd number twice is 25% or $\frac{1}{4}$ .

8 0

3 years ago