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Elanso [62]
3 years ago
13

Unit 3 | Lesson 11 Unit Assessment:  Multiplication and Division Test, Part 1 Question Navigator 1.   (3 pt) Multiply.   (–8) •

(12
Mathematics
2 answers:
CaHeK987 [17]3 years ago
8 0
<span>(–8) • (12)= - 96
the answer is -96</span>
Sholpan [36]3 years ago
5 0

Hi there, -8 * 12 equals -96. Hope this helps :)


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21 marbles out of N are blue; probability of getting a blue one = 30%
MissTica
Probability=\frac{desired}{total}
0.3=\frac{21}{N}
0.3N=21
N=\frac{21}{0.3}
N=70

There are 70 total marbles. 
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Which of the following questions is a statistical question?
igomit [66]
I think A! Good luck! :)
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The value of which of these expressions is closest to e?
Anna [14]

Answer:

Using a calculator, we can check that e=2.718281828.

Step-by-step explanation:

Lets evaluate each one of our expression the check which one is closest to e:

(1+ \frac{1}{31} )^{31}=2.675686306

(1+ \frac{1}{32})^{32}=2.676990129  

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We can conclude that the value of (1 +1/34) to the power of 34 is the closest to the value of e.

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3 years ago
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Given $m\geq 2$, denote by $b^{-1}$ the inverse of $b\pmod{m}$. That is, $b^{-1}$ is the residue for which $bb^{-1}\equiv 1\pmod
goblinko [34]

(2+3)^{-1}\equiv5^{-1}\pmod7 is the number <em>L</em> such that

5L\equiv1\pmod7

Consider the first 7 multiples of 5:

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Taken mod 7, these are equivalent to

5, 3, 1, 6, 4, 2, 0

This tells us that 3 is the inverse of 5 mod 7, so <em>L</em> = 3.

Similarly, compute the inverses modulo 7 of 2 and 3:

2a\equiv1\pmod7\implies a\equiv4\pmod7

since 2*4 = 8, whose residue is 1 mod 7;

3b\equiv1\pmod7\implies b\equiv5\pmod7

which we got for free by finding the inverse of 5 earlier. So

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and so <em>R</em> = 2.

Then <em>L</em> - <em>R</em> = 1.

6 0
3 years ago
Concession stand sales for each game in season are $320, $540, $230, $450, $280, and $580. What is the mean sales per game? Expl
Alex_Xolod [135]

Answer:

$400

Step-by-step explanation:

all you do is add 320+540+230+450+280+580/6 and the asnwe comes out to 400

4 0
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