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myrzilka [38]
4 years ago
10

What does it mean if I say addition and multiplication are associative

Mathematics
1 answer:
ohaa [14]4 years ago
4 0
Meaning you don't have to solve the equation in a certain order just left to right in order to find the answer unlike division and subtraction
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What is 1/2 times 1/2 times 3/4
kompoz [17]

Answer:

0.1875 = 1875/10000 = 3/16

Step-by-step explanation:

First its 0.1875 but if u need to make it into a fraction its 3/16

Hope this helps  :)

8 0
3 years ago
Please answer number 12. Very urgent!! 18 points!
Ksenya-84 [330]

Answer:

10 5/12

When the numerator is larger than the denominator, we take  groups of whole fractions  (The numerator and denominator are equal) and add 1 to the whole number for each group. Whatever remains when we no longer have the numerator larger than the denominator is left as a fraction.

Step-by-step explanation:

6 3/4 + 3  2/3

We need to get a common denominator

The common denominator is 12

We need to rename the fractional parts  to out of 12

6 3/4 = 6 3/4*3/3 = 6 9/12

3 2/3 = 3 2/3*4/4 = 3 8/12

6 9/12+ 3 8/12

9 17/12

But the numerator is larger than the denominator

We take 12/12 from the fraction  and add it to the whole number

9 17/12-12/12  +1

9+1 5/12

10 5/12

4 0
4 years ago
ICE CREAM For Exercises 5 and 6, use the
Kryger [21]

Answer:

So i dont know the answer but ill take 2 scoops of chocolate ice cream with rainbow sprinkles

Step-by-step explanation:

3 0
3 years ago
Rewrite the following equation into slope-intercept form (y = mx + b).<br> 3x - y = 7
Stels [109]

Answer:

y=3x-7

Step-by-step explanation

Subtracted 3x, then divided by -1, made the 7 negative and the 3x positive

3 0
3 years ago
Employees were asked how many times per week they exercised. The frequency table shows the results of the survey.
wlad13 [49]

Answer:

See explanation

Step-by-step explanation:

Given the frequency table

\begin {array}{cccccccccc}\text{Number}&0&1&2&3&4&5&6&7&8\\ \\\text{Frequency}&5&10&2&9&33&12&15&3&1\end{array}

a) The total sum is

5+10+2+9+33+12+15+3+1=90

Create a probability distribution table

\begin {array}{cccccccccc}\text{Number}&0&1&2&3&4&5&6&7&8\\ \\\text{Probability}&\dfrac{5}{90}&\dfrac{10}{90}&\dfrac{2}{90}&\dfrac{9}{90}&\dfrac{33}{90}&\dfrac{12}{90}&\dfrac{15}{90}&\dfrac{3}{90}&\dfrac{1}{90}\end{array}

b) The probability

P(x

c) The probability

P(x=6)=\dfrac{15}{90}=\dfrac{1}{6}

d) The probability

P(x\ge 5)=P(x=5)+P(x=6)+P(x=7)+P(x=8)=\dfrac{12}{90}+\dfrac{15}{90}+\dfrac{3}{90}+\dfrac{1}{90}=\dfrac{31}{90}

4 0
4 years ago
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