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Mariulka [41]
3 years ago
15

List the integers that satisfy both of these inequalities 2x+9<0 x>-12 put the answers on one line

Mathematics
1 answer:
lbvjy [14]3 years ago
6 0

Answer:

<em>-11, -10, -9, -8, -7, -6 and -5 </em>

Step-by-step explanation:

Given the inequality expressions

2x+9<0  and x>-12

2x+9<0

2x< 0-9

2x < -9

x < -9/2

x < -4.5

Since x >-12

-12 < x

Combining both inequalities

-12 <x  < 4.5

<em>The integers between the intervals are -11, -10, -9, -8, -7, -6 and -5 </em>

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Which expression represent the product of x3 + 2x - 1 and x4 - x3 + 3
Alborosie

Answer:

x^7 + x^6 - 3x^4 + 4x^3 + 6x - 3.

Step-by-step explanation:

(x3 + 2x - 1)  (x4 - x3 + 3)

= x^7 - x^6 + 3x^3 + 2x^6 - 2x^4 + 6x - x^4 + x^3 - 3

= x^7 + x^6 - 3x^4 + 4x^3 + 6x - 3.

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3 years ago
An experiment consists of rolling two fair number cubes. What is the probability that the sum of the two numbers will be &gt;3
liraira [26]

Answer:   \bold{\dfrac{5}{12}}

<u>Step-by-step explanation:</u>

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(2, 2), (2, 3), (2, 4), (2, 5), (2,6)

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(6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6,6)

There are 6²= 36 total permutations for 2 dice.

Probability=\dfrac{\#\ of\ permutations> 3}{total\ \#\ of\ permutations}\\\\.\qquad \qquad =\dfrac{15}{36}\\\\.\qquad \qquad =\dfrac{5}{12}\\\\

3 0
3 years ago
Kristen worked 39 hours in 6 days
Fittoniya [83]
<h2>39/6 = 6.5</h2><h2 /><h2>6 hours 30 minutes</h2>
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Answer:

Step-by-step explanation:

This is a duplicate of one I have done for you

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6 0
3 years ago
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lisov135 [29]
Answer: 187.30

explanation for answer:
5 0
3 years ago
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